# PinnyPeptide > Free peptide protocol management web app with peptide encyclopedia, dosage calculator, injection site rotation, and dose tracking. PinnyPeptide helps users manage multi-peptide stacks. The app calculates reconstitution math, automates rotation across 12 SubQ injection sites, and tracks completed doses. The public-facing encyclopedia contains research-backed profiles of popular peptides — effects, dosing ranges, side effects, regulatory status by country, and cited studies with DOIs. ## Core Features - Multi-peptide stack management with vial-level reconstitution math - Automatic injection site rotation across 12 subcutaneous sites (two modes: per-day shared or per-peptide independent) - Daily dose dashboard with missed-dose catch-up - Full dose history with date, peptide, site, and notes - Public peptide encyclopedia covering 21+ research peptides ## Site - [Home](https://pinnypeptide.com/): Landing page and overview of the app - [Peptide Dosage Calculator](https://pinnypeptide.com/calculator): Free reconstitution calculator — vial size + water volume + dose → exact pull volume in insulin units, with an interactive syringe visual and step-by-step reconstitution instructions. - [Peptide Encyclopedia](https://pinnypeptide.com/encyclopedia): Index of all peptide profiles - [Sign In](https://pinnypeptide.com/login): Free account creation and login ## Peptide Encyclopedia The encyclopedia is the public, citeable knowledge base. Each entry covers overview, mechanism, history, effects, side effects, tolerability, dosing ranges by purpose, reconstitution instructions, regulatory status by country (USA, EU, UK, Australia, Russia, Canada), and cited peer-reviewed studies with DOIs. ### Healing & Recovery - [BPC-157](https://pinnypeptide.com/encyclopedia/bpc-157): Gastric pentadecapeptide with broad tissue-healing properties. - [TB-500](https://pinnypeptide.com/encyclopedia/tb-500): Synthetic fragment of Thymosin Beta-4 with potent tissue repair activity. - [TB-500 Fragment 17-23](https://pinnypeptide.com/encyclopedia/tb-500-frag-17-23): The 7-amino-acid active fragment of TB-500, isolated for cell-migration effects. - [KPV](https://pinnypeptide.com/encyclopedia/kpv): Anti-inflammatory tripeptide derived from alpha-melanocyte stimulating hormone. - [LL-37](https://pinnypeptide.com/encyclopedia/ll-37): Human antimicrobial peptide with broad-spectrum pathogen defense and wound-healing activity. - [ARA-290 (Cibinetide)](https://pinnypeptide.com/encyclopedia/ara-290): Tissue-protective helix-B fragment of erythropoietin — without the red-blood-cell effects. - [VIP (Vasoactive Intestinal Peptide)](https://pinnypeptide.com/encyclopedia/vip): Broad neuropeptide with anti-inflammatory, immunomodulatory, and vasodilatory activity. ### Growth Hormone - [CJC-1295](https://pinnypeptide.com/encyclopedia/cjc-1295): Long-acting growth hormone releasing hormone analog for sustained GH and IGF-1 elevation. - [Ipamorelin](https://pinnypeptide.com/encyclopedia/ipamorelin): Selective growth hormone secretagogue with minimal side effects. - [Tesamorelin](https://pinnypeptide.com/encyclopedia/tesamorelin): FDA-approved GHRH analog for HIV-associated lipodystrophy with potent GH-releasing activity. - [Sermorelin](https://pinnypeptide.com/encyclopedia/sermorelin): The original GHRH analog and the first FDA-approved peptide secretagogue. - [GHRP-6](https://pinnypeptide.com/encyclopedia/ghrp-6): First-generation ghrelin mimetic — potent GH release with notable appetite stimulation. - [GHRP-2](https://pinnypeptide.com/encyclopedia/ghrp-2): Refined ghrelin mimetic — stronger GH release than GHRP-6 with less hunger. - [Hexarelin](https://pinnypeptide.com/encyclopedia/hexarelin): The most potent GHRP — strong GH release with documented cardioprotective signaling. - [MGF (Mechano Growth Factor)](https://pinnypeptide.com/encyclopedia/mgf): A locally-acting IGF-1 splice variant released by muscle in response to mechanical load. ### Muscle Growth - [ACE-031](https://pinnypeptide.com/encyclopedia/ace-031): Soluble myostatin / activin trap — recombinant decoy of the activin IIB receptor. - [Follistatin](https://pinnypeptide.com/encyclopedia/follistatin): Endogenous activin/myostatin binding protein — the gene-therapy myostatin inhibitor. - [GDF-8 95 (Myostatin Inhibitor)](https://pinnypeptide.com/encyclopedia/gdf-8-95): Short-peptide myostatin inhibitor targeting the GDF-8 / activin RIIB pathway. - [IGF-1 LR3](https://pinnypeptide.com/encyclopedia/igf-1-lr3): Long-acting IGF-1 analog with reduced binding-protein affinity for sustained signaling. - [IGF-1 DES](https://pinnypeptide.com/encyclopedia/igf-1-des): Truncated IGF-1 variant — site-specific, short-acting muscle growth signal. - [B7-33](https://pinnypeptide.com/encyclopedia/b7-33): Single-chain relaxin peptide analog with anti-fibrotic and cardioprotective activity. ### Weight Management - [Semaglutide](https://pinnypeptide.com/encyclopedia/semaglutide): GLP-1 receptor agonist revolutionizing the treatment of obesity and type 2 diabetes. - [Tirzepatide](https://pinnypeptide.com/encyclopedia/tirzepatide): Dual GIP/GLP-1 receptor agonist delivering unprecedented weight loss and metabolic benefits. - [Retatrutide](https://pinnypeptide.com/encyclopedia/retatrutide): Lilly's triple-agonist of GLP-1, GIP, and glucagon receptors — the strongest weight-loss data yet reported. - [Survodutide](https://pinnypeptide.com/encyclopedia/survodutide): Dual GLP-1 / glucagon receptor agonist in late-stage obesity trials. - [AOD-9604](https://pinnypeptide.com/encyclopedia/aod-9604): Fat-metabolizing fragment of human growth hormone without growth-promoting effects. - [HGH Fragment 176-191](https://pinnypeptide.com/encyclopedia/hgh-fragment-176-191): The unmodified C-terminal fragment of growth hormone — the original lipolytic peptide. - [FTPP-Adipotide](https://pinnypeptide.com/encyclopedia/ftpp-adipotide): Vasculature-targeting peptide that selectively destroys adipose blood vessels. ### Cognitive - [Selank](https://pinnypeptide.com/encyclopedia/selank): Russian-approved anxiolytic peptide derived from tuftsin with nootropic and immunomodulatory properties. - [Semax](https://pinnypeptide.com/encyclopedia/semax): Neuroprotective ACTH analog with nootropic and neurotrophic properties. - [Pinealon](https://pinnypeptide.com/encyclopedia/pinealon): Neuroprotective tripeptide bioregulator that penetrates the nuclear membrane to directly regulate gene expression in brain tissue. - [Adamax](https://pinnypeptide.com/encyclopedia/adamax): Adamantyl-capped Semax derivative — a more lipophilic, longer-acting nootropic analog. - [Colivelin](https://pinnypeptide.com/encyclopedia/colivelin): Hybrid Humanin / ADNF peptide — high-potency neuroprotective agent for Alzheimer's research. - [Dihexa](https://pinnypeptide.com/encyclopedia/dihexa): Hepatocyte growth factor mimetic — claimed to be 7 orders of magnitude more potent than BDNF. - [DNSP-11](https://pinnypeptide.com/encyclopedia/dnsp-11): Eleven-amino-acid peptide derived from the GDNF prodomain — neuroprotective for dopamine neurons. - [P21 (P021)](https://pinnypeptide.com/encyclopedia/p21): Neurogenic, anti-tau peptide derived from ciliary neurotrophic factor — Alzheimer's research. - [PE22-28](https://pinnypeptide.com/encyclopedia/pe22-28): Fast-acting antidepressant peptide acting via TREK-1 channel inhibition. - [ACTH 1-39 (Corticotropin)](https://pinnypeptide.com/encyclopedia/acth-1-39): Full-length adrenocorticotropic hormone — endocrine research peptide, melanocortin agonist. ### Immune - [Thymosin Alpha-1](https://pinnypeptide.com/encyclopedia/thymosin-alpha-1): Thymic peptide with broad immunomodulatory activity, approved in over 35 countries. - [HEP-1 (Gepon)](https://pinnypeptide.com/encyclopedia/hep-1): Russian-approved 14-amino-acid immunomodulator derived from the ezrin protein. ### Longevity - [MOTS-c](https://pinnypeptide.com/encyclopedia/mots-c): Mitochondrial-derived peptide that mimics exercise and regulates metabolic homeostasis. - [SS-31 (Elamipretide)](https://pinnypeptide.com/encyclopedia/ss-31): Mitochondria-targeted tetrapeptide that restores bioenergetics by stabilizing cardiolipin. - [Epithalon](https://pinnypeptide.com/encyclopedia/epithalon): Synthetic pineal tetrapeptide that activates telomerase and modulates melatonin production. - [FOX04-DRI](https://pinnypeptide.com/encyclopedia/fox04-dri): D-retro-inverso senolytic peptide — selectively kills senescent cells via FOXO4-p53 disruption. - [N-Acetyl Epitalon](https://pinnypeptide.com/encyclopedia/n-acetyl-epitalon): Acetylated Epitalon variant — more stable, longer-acting form of the telomerase-activating tetrapeptide. - [NAD+ (Injectable)](https://pinnypeptide.com/encyclopedia/nad-plus): Central cellular cofactor — supplemented to support mitochondrial function and sirtuin activity. ### Cosmetic - [GHK-Cu](https://pinnypeptide.com/encyclopedia/ghk-cu): Copper-binding tripeptide with potent wound-healing, skin-remodeling, and gene-regulatory properties. - [Melanotan II](https://pinnypeptide.com/encyclopedia/melanotan-ii): Synthetic melanocortin peptide with tanning, appetite-suppressive, and sexual function effects. - [Matrixyl](https://pinnypeptide.com/encyclopedia/matrixyl): Palmitoyl pentapeptide that signals fibroblasts to rebuild collagen and elastin. - [SNAP-8](https://pinnypeptide.com/encyclopedia/snap-8): Eight-amino-acid SNARE-blocking peptide — topical "botox-alternative" for expression lines. - [Pal-GHK](https://pinnypeptide.com/encyclopedia/pal-ghk): Lipophilic GHK derivative — collagen-stimulating tripeptide for topical anti-aging. - [PTD-DBM](https://pinnypeptide.com/encyclopedia/ptd-dbm): Wnt-activating peptide that blocks CXXC5 — investigational topical hair-regrowth agent. ### Sexual Health - [PT-141 (Bremelanotide)](https://pinnypeptide.com/encyclopedia/pt-141): FDA-approved melanocortin receptor agonist for hypoactive sexual desire disorder. - [Oxytocin](https://pinnypeptide.com/encyclopedia/oxytocin): The "bonding hormone" — neuropeptide with established obstetric and exploratory social roles. - [Kisspeptin-10](https://pinnypeptide.com/encyclopedia/kisspeptin-10): Master upstream regulator of the reproductive axis — the GnRH releaser. - [Triptorelin](https://pinnypeptide.com/encyclopedia/triptorelin): Long-acting GnRH agonist — FDA-approved for prostate cancer and used in PCT protocols. ### Sleep - [DSIP](https://pinnypeptide.com/encyclopedia/dsip): Endogenous nonapeptide that promotes delta wave sleep and modulates neuroendocrine stress responses. - [Orexin-A](https://pinnypeptide.com/encyclopedia/orexin-a): Hypothalamic wake-promoting neuropeptide — the molecule lost in narcolepsy type 1. - [Orexin-B](https://pinnypeptide.com/encyclopedia/orexin-b): Wake-promoting neuropeptide selective for OX2R — the receptor most central to narcolepsy. ### Bioregulators - [Bronchogen](https://pinnypeptide.com/encyclopedia/bronchogen): Khavinson short peptide bioregulator targeting bronchial epithelium and lung tissue. - [Cardiogen](https://pinnypeptide.com/encyclopedia/cardiogen): Khavinson short peptide bioregulator targeting cardiac muscle and vascular endothelium. - [Cartalax](https://pinnypeptide.com/encyclopedia/cartalax): Khavinson short peptide bioregulator targeting chondrocytes and connective tissue. - [Cortagen](https://pinnypeptide.com/encyclopedia/cortagen): Khavinson short peptide bioregulator targeting cortical neurons and CNS gene expression. - [Crystagen](https://pinnypeptide.com/encyclopedia/crystagen): Khavinson short peptide bioregulator targeting thymus / immune cells. - [Ovagen](https://pinnypeptide.com/encyclopedia/ovagen): Khavinson short peptide bioregulator targeting hepatocytes and liver function. - [Pancragen](https://pinnypeptide.com/encyclopedia/pancragen): Khavinson short peptide bioregulator targeting pancreatic tissue and glucose metabolism. - [Prostamax](https://pinnypeptide.com/encyclopedia/prostamax): Khavinson short peptide bioregulator targeting prostate tissue. - [Testagen](https://pinnypeptide.com/encyclopedia/testagen): Khavinson short peptide bioregulator targeting testicular tissue. - [Thymagen](https://pinnypeptide.com/encyclopedia/thymagen): Khavinson short peptide bioregulator targeting thymic function — Glu-Trp synthetic version. - [Thymalin](https://pinnypeptide.com/encyclopedia/thymalin): Original Khavinson thymic peptide complex — multi-peptide immunomodulator with 40-year Russian clinical track record. - [Vesilute](https://pinnypeptide.com/encyclopedia/vesilute): Khavinson short peptide bioregulator targeting urinary bladder epithelium. - [Vesugen](https://pinnypeptide.com/encyclopedia/vesugen): Khavinson short peptide bioregulator targeting vascular endothelium — KED tripeptide. - [Vilon](https://pinnypeptide.com/encyclopedia/vilon): Khavinson Lys-Glu dipeptide — immunomodulator with documented life-extension activity in mice. ### Research - [PNC-27](https://pinnypeptide.com/encyclopedia/pnc-27): Membrane-active anticancer research peptide — selectively lyses cancer cell membranes. - [Dermorphin](https://pinnypeptide.com/encyclopedia/dermorphin): Naturally occurring μ-opioid receptor agonist ~30-40× more potent than morphine — research-only. ### Peptide Blends - [Wolverine Blend (BPC-157 + TB-500)](https://pinnypeptide.com/encyclopedia/wolverine-blend): The classic recovery stack — BPC-157 paired with TB-500 for accelerated tissue repair. - [Glow Blend (BPC-157 + TB-500 + GHK-Cu)](https://pinnypeptide.com/encyclopedia/glow-blend): Wolverine's healing duo plus GHK-Cu — soft-tissue recovery with a cosmetic kicker for skin, hair, and scars. - [Klow Blend (KPV + LL-37 / TB-500 + BPC-157 + GHK-Cu)](https://pinnypeptide.com/encyclopedia/klow-blend): Four-peptide stack pairing the Glow components with KPV — anti-inflammatory, gut-supportive, and skin-regenerative in one vial. ## Per-Peptide Dosage Calculators Each calculator page answers "how many insulin units is X mcg of ?" with a typical-answer summary, an interactive calculator (vial size, water volume, dose, syringe size adjustable), and a step-by-step reconstitution guide. Pre-filled with each peptide's typical vial size and dose. - [BPC-157 dosage calculator](https://pinnypeptide.com/calculator/bpc-157): Reconstitute a 5 mg vial; typical dose 250-500 mcg. - [TB-500 dosage calculator](https://pinnypeptide.com/calculator/tb-500): Reconstitute a 5 mg vial; typical dose 2000-5000 mcg. - [TB-500 Fragment 17-23 dosage calculator](https://pinnypeptide.com/calculator/tb-500-frag-17-23): Reconstitute a 10 mg vial; typical dose 2000-5000 mcg. - [KPV dosage calculator](https://pinnypeptide.com/calculator/kpv): Reconstitute a 5 mg vial; typical dose 200-500 mcg. - [LL-37 dosage calculator](https://pinnypeptide.com/calculator/ll-37): Reconstitute a 5 mg vial; typical dose 50-100 mcg. - [ARA-290 (Cibinetide) dosage calculator](https://pinnypeptide.com/calculator/ara-290): Reconstitute a 8 mg vial; typical dose 2,000-8,000 mcg. - [VIP (Vasoactive Intestinal Peptide) dosage calculator](https://pinnypeptide.com/calculator/vip): Reconstitute a 5 mg vial; typical dose 50-200 (intranasal) mcg. - [CJC-1295 dosage calculator](https://pinnypeptide.com/calculator/cjc-1295): Reconstitute a 2 mg vial; typical dose 100-300 mcg. - [Ipamorelin dosage calculator](https://pinnypeptide.com/calculator/ipamorelin): Reconstitute a 5 mg vial; typical dose 100-300 mcg. - [Tesamorelin dosage calculator](https://pinnypeptide.com/calculator/tesamorelin): Reconstitute a 2 mg vial; typical dose 1000-2000 mcg. - [Sermorelin dosage calculator](https://pinnypeptide.com/calculator/sermorelin): Reconstitute a 5 mg vial; typical dose 200-500 mcg. - [GHRP-6 dosage calculator](https://pinnypeptide.com/calculator/ghrp-6): Reconstitute a 5 mg vial; typical dose 100 mcg. - [GHRP-2 dosage calculator](https://pinnypeptide.com/calculator/ghrp-2): Reconstitute a 5 mg vial; typical dose 100 mcg. - [Hexarelin dosage calculator](https://pinnypeptide.com/calculator/hexarelin): Reconstitute a 5 mg vial; typical dose 100 mcg. - [MGF (Mechano Growth Factor) dosage calculator](https://pinnypeptide.com/calculator/mgf): Reconstitute a 2 mg vial; typical dose 200-400 mcg. - [ACE-031 dosage calculator](https://pinnypeptide.com/calculator/ace-031): Reconstitute a 1 mg vial; typical dose Per kg dosing mcg. - [Follistatin dosage calculator](https://pinnypeptide.com/calculator/follistatin): Reconstitute a 1 mg vial; typical dose 100-300 mcg. - [GDF-8 95 (Myostatin Inhibitor) dosage calculator](https://pinnypeptide.com/calculator/gdf-8-95): Reconstitute a 1 mg vial; typical dose 50-200 mcg. - [IGF-1 LR3 dosage calculator](https://pinnypeptide.com/calculator/igf-1-lr3): Reconstitute a 1 mg vial; typical dose 20-50 mcg. - [IGF-1 DES dosage calculator](https://pinnypeptide.com/calculator/igf-1-des): Reconstitute a 1 mg vial; typical dose 20-100 mcg. - [B7-33 dosage calculator](https://pinnypeptide.com/calculator/b7-33): Reconstitute a 2 mg vial; typical dose 1000-2000 mcg. - [Semaglutide dosage calculator](https://pinnypeptide.com/calculator/semaglutide): Reconstitute a 3 mg vial; typical dose 250-2400 mcg. - [Tirzepatide dosage calculator](https://pinnypeptide.com/calculator/tirzepatide): Reconstitute a 5 mg vial; typical dose 2500-15000 mcg. - [Retatrutide dosage calculator](https://pinnypeptide.com/calculator/retatrutide): Reconstitute a 10 mg vial; typical dose 500-12000 mcg. - [Survodutide dosage calculator](https://pinnypeptide.com/calculator/survodutide): Reconstitute a 10 mg vial; typical dose 300-6000 mcg. - [AOD-9604 dosage calculator](https://pinnypeptide.com/calculator/aod-9604): Reconstitute a 5 mg vial; typical dose 250-500 mcg. - [HGH Fragment 176-191 dosage calculator](https://pinnypeptide.com/calculator/hgh-fragment-176-191): Reconstitute a 5 mg vial; typical dose 250-500 mcg. - [FTPP-Adipotide dosage calculator](https://pinnypeptide.com/calculator/ftpp-adipotide): Reconstitute a 5 mg vial; typical dose Per kg dosing (research-only) mcg. - [Selank dosage calculator](https://pinnypeptide.com/calculator/selank): Reconstitute a 5 mg vial; typical dose 250-500 mcg. - [Semax dosage calculator](https://pinnypeptide.com/calculator/semax): Reconstitute a 5 mg vial; typical dose 200-600 mcg. - [Pinealon dosage calculator](https://pinnypeptide.com/calculator/pinealon): Reconstitute a 20 mg vial; typical dose 100-500 mcg. - [Adamax dosage calculator](https://pinnypeptide.com/calculator/adamax): Reconstitute a 5 mg vial; typical dose 100-500 mcg. - [Colivelin dosage calculator](https://pinnypeptide.com/calculator/colivelin): Reconstitute a 10 mg vial; typical dose 100-500 mcg. - [Dihexa dosage calculator](https://pinnypeptide.com/calculator/dihexa): Reconstitute a 30 mg vial; typical dose 8,000-45,000 (oral) mcg. - [DNSP-11 dosage calculator](https://pinnypeptide.com/calculator/dnsp-11): Reconstitute a 5 mg vial; typical dose Variable (research-specific) mcg. - [P21 (P021) dosage calculator](https://pinnypeptide.com/calculator/p21): Reconstitute a 5 mg vial; typical dose Per kg dosing mcg. - [PE22-28 dosage calculator](https://pinnypeptide.com/calculator/pe22-28): Reconstitute a 5 mg vial; typical dose 50-200 mcg. - [ACTH 1-39 (Corticotropin) dosage calculator](https://pinnypeptide.com/calculator/acth-1-39): Reconstitute a 5 mg vial; typical dose 250 (diagnostic) mcg. - [Thymosin Alpha-1 dosage calculator](https://pinnypeptide.com/calculator/thymosin-alpha-1): Reconstitute a 5 mg vial; typical dose 1000-1600 mcg. - [HEP-1 (Gepon) dosage calculator](https://pinnypeptide.com/calculator/hep-1): Reconstitute a 5 mg vial; typical dose 1,000-10,000 mcg. - [MOTS-c dosage calculator](https://pinnypeptide.com/calculator/mots-c): Reconstitute a 5 mg vial; typical dose 5000-10000 mcg. - [SS-31 (Elamipretide) dosage calculator](https://pinnypeptide.com/calculator/ss-31): Reconstitute a 5 mg vial; typical dose 5000-50000 mcg. - [Epithalon dosage calculator](https://pinnypeptide.com/calculator/epithalon): Reconstitute a 10 mg vial; typical dose 5000-10000 mcg. - [FOX04-DRI dosage calculator](https://pinnypeptide.com/calculator/fox04-dri): Reconstitute a 10 mg vial; typical dose Per kg dosing (research) mcg. - [N-Acetyl Epitalon dosage calculator](https://pinnypeptide.com/calculator/n-acetyl-epitalon): Reconstitute a 5 mg vial; typical dose 5,000-10,000 mcg. - [NAD+ (Injectable) dosage calculator](https://pinnypeptide.com/calculator/nad-plus): Reconstitute a 500 mg vial; typical dose 50-200 mg (SubQ); 500-1500 mg (IV) mcg. - [GHK-Cu dosage calculator](https://pinnypeptide.com/calculator/ghk-cu): Reconstitute a 50 mg vial; typical dose 200-500 mcg. - [Melanotan II dosage calculator](https://pinnypeptide.com/calculator/melanotan-ii): Reconstitute a 10 mg vial; typical dose 250-1000 mcg. - [Matrixyl dosage calculator](https://pinnypeptide.com/calculator/matrixyl): Reconstitute a 10 mg vial; typical dose 3-5% topical concentration mcg. - [SNAP-8 dosage calculator](https://pinnypeptide.com/calculator/snap-8): Reconstitute a 10 mg vial; typical dose 5-10% topical concentration mcg. - [Pal-GHK dosage calculator](https://pinnypeptide.com/calculator/pal-ghk): Reconstitute a 10 mg vial; typical dose 2-5% topical concentration mcg. - [PTD-DBM dosage calculator](https://pinnypeptide.com/calculator/ptd-dbm): Reconstitute a 5 mg vial; typical dose Topical formulation-dependent mcg. - [PT-141 (Bremelanotide) dosage calculator](https://pinnypeptide.com/calculator/pt-141): Reconstitute a 10 mg vial; typical dose 1000-2000 mcg. - [Oxytocin dosage calculator](https://pinnypeptide.com/calculator/oxytocin): Reconstitute a 2 mg vial; typical dose 24-40 IU (intranasal) mcg. - [Kisspeptin-10 dosage calculator](https://pinnypeptide.com/calculator/kisspeptin-10): Reconstitute a 5 mg vial; typical dose 50-200 mcg. - [Triptorelin dosage calculator](https://pinnypeptide.com/calculator/triptorelin): Reconstitute a 2 mg vial; typical dose 100-200 (single PCT dose) mcg. - [DSIP dosage calculator](https://pinnypeptide.com/calculator/dsip): Reconstitute a 5 mg vial; typical dose 100-300 mcg. - [Orexin-A dosage calculator](https://pinnypeptide.com/calculator/orexin-a): Reconstitute a 5 mg vial; typical dose 20-80 (intranasal) mcg. - [Orexin-B dosage calculator](https://pinnypeptide.com/calculator/orexin-b): Reconstitute a 5 mg vial; typical dose Variable (research) mcg. - [Bronchogen dosage calculator](https://pinnypeptide.com/calculator/bronchogen): Reconstitute a 20 mg vial; typical dose 1,000-5,000 mcg. - [Cardiogen dosage calculator](https://pinnypeptide.com/calculator/cardiogen): Reconstitute a 20 mg vial; typical dose 1,000-5,000 mcg. - [Cartalax dosage calculator](https://pinnypeptide.com/calculator/cartalax): Reconstitute a 20 mg vial; typical dose 1,000-5,000 mcg. - [Cortagen dosage calculator](https://pinnypeptide.com/calculator/cortagen): Reconstitute a 20 mg vial; typical dose 1,000-5,000 mcg. - [Crystagen dosage calculator](https://pinnypeptide.com/calculator/crystagen): Reconstitute a 20 mg vial; typical dose 1,000-5,000 mcg. - [Ovagen dosage calculator](https://pinnypeptide.com/calculator/ovagen): Reconstitute a 20 mg vial; typical dose 1,000-5,000 mcg. - [Pancragen dosage calculator](https://pinnypeptide.com/calculator/pancragen): Reconstitute a 20 mg vial; typical dose 1,000-5,000 mcg. - [Prostamax dosage calculator](https://pinnypeptide.com/calculator/prostamax): Reconstitute a 20 mg vial; typical dose 1,000-5,000 mcg. - [Testagen dosage calculator](https://pinnypeptide.com/calculator/testagen): Reconstitute a 20 mg vial; typical dose 1,000-5,000 mcg. - [Thymagen dosage calculator](https://pinnypeptide.com/calculator/thymagen): Reconstitute a 20 mg vial; typical dose 1,000-5,000 mcg. - [Thymalin dosage calculator](https://pinnypeptide.com/calculator/thymalin): Reconstitute a 10 mg vial; typical dose 5,000-30,000 mcg. - [Vesilute dosage calculator](https://pinnypeptide.com/calculator/vesilute): Reconstitute a 20 mg vial; typical dose 1,000-5,000 mcg. - [Vesugen dosage calculator](https://pinnypeptide.com/calculator/vesugen): Reconstitute a 20 mg vial; typical dose 1,000-5,000 mcg. - [Vilon dosage calculator](https://pinnypeptide.com/calculator/vilon): Reconstitute a 20 mg vial; typical dose 1,000-5,000 mcg. - [PNC-27 dosage calculator](https://pinnypeptide.com/calculator/pnc-27): Reconstitute a 5 mg vial; typical dose Research-only mcg. - [Dermorphin dosage calculator](https://pinnypeptide.com/calculator/dermorphin): Reconstitute a 2 mg vial; typical dose Research-only mcg. - [Wolverine Blend (BPC-157 + TB-500) dosage calculator](https://pinnypeptide.com/calculator/wolverine-blend): Reconstitute a 20 mg vial; typical dose 250 + 2000 (BPC + TB) mcg. - [Glow Blend (BPC-157 + TB-500 + GHK-Cu) dosage calculator](https://pinnypeptide.com/calculator/glow-blend): Reconstitute a 70 mg vial; typical dose 250 + 2000 + 1000 (BPC + TB + GHK) mcg. - [Klow Blend (KPV + LL-37 / TB-500 + BPC-157 + GHK-Cu) dosage calculator](https://pinnypeptide.com/calculator/klow-blend): Reconstitute a 80 mg vial; typical dose 500 + 250 + 2000 + 1000 (KPV + BPC + TB + GHK) mcg. ## Peptide Comparison Pages Side-by-side comparison pages for closely-related peptides — effects, dosing ranges, side effects, FDA status, and a Q&A covering the questions people search ("difference between X and Y", "can you stack X and Y", etc.). - [ACE-031 vs B7-33](https://pinnypeptide.com/compare/ace-031-vs-b7-33): Soluble myostatin / activin trap — recombinant decoy of the activin IIB receptor. Single-chain relaxin peptide analog with anti-fibrotic and cardioprotective activity. - [ACE-031 vs Follistatin](https://pinnypeptide.com/compare/ace-031-vs-follistatin): Soluble myostatin / activin trap — recombinant decoy of the activin IIB receptor. Endogenous activin/myostatin binding protein — the gene-therapy myostatin inhibitor. - [ACE-031 vs GDF-8 95 (Myostatin Inhibitor)](https://pinnypeptide.com/compare/ace-031-vs-gdf-8-95): Soluble myostatin / activin trap — recombinant decoy of the activin IIB receptor. Short-peptide myostatin inhibitor targeting the GDF-8 / activin RIIB pathway. - [ACE-031 vs IGF-1 DES](https://pinnypeptide.com/compare/ace-031-vs-igf-1-des): Soluble myostatin / activin trap — recombinant decoy of the activin IIB receptor. Truncated IGF-1 variant — site-specific, short-acting muscle growth signal. - [ACE-031 vs IGF-1 LR3](https://pinnypeptide.com/compare/ace-031-vs-igf-1-lr3): Soluble myostatin / activin trap — recombinant decoy of the activin IIB receptor. Long-acting IGF-1 analog with reduced binding-protein affinity for sustained signaling. - [ACTH 1-39 (Corticotropin) vs Adamax](https://pinnypeptide.com/compare/acth-1-39-vs-adamax): Full-length adrenocorticotropic hormone — endocrine research peptide, melanocortin agonist. Adamantyl-capped Semax derivative — a more lipophilic, longer-acting nootropic analog. - [ACTH 1-39 (Corticotropin) vs Dermorphin](https://pinnypeptide.com/compare/acth-1-39-vs-dermorphin): Full-length adrenocorticotropic hormone — endocrine research peptide, melanocortin agonist. Naturally occurring μ-opioid receptor agonist ~30-40× more potent than morphine — research-only. - [ACTH 1-39 (Corticotropin) vs Pinealon](https://pinnypeptide.com/compare/acth-1-39-vs-pinealon): Full-length adrenocorticotropic hormone — endocrine research peptide, melanocortin agonist. Neuroprotective tripeptide bioregulator that penetrates the nuclear membrane to directly regulate gene expression in brain tissue. - [ACTH 1-39 (Corticotropin) vs PNC-27](https://pinnypeptide.com/compare/acth-1-39-vs-pnc-27): Full-length adrenocorticotropic hormone — endocrine research peptide, melanocortin agonist. Membrane-active anticancer research peptide — selectively lyses cancer cell membranes. - [ACTH 1-39 (Corticotropin) vs Selank](https://pinnypeptide.com/compare/acth-1-39-vs-selank): Full-length adrenocorticotropic hormone — endocrine research peptide, melanocortin agonist. Russian-approved anxiolytic peptide derived from tuftsin with nootropic and immunomodulatory properties. - [ACTH 1-39 (Corticotropin) vs Semax](https://pinnypeptide.com/compare/acth-1-39-vs-semax): Full-length adrenocorticotropic hormone — endocrine research peptide, melanocortin agonist. Neuroprotective ACTH analog with nootropic and neurotrophic properties. - [Adamax vs Colivelin](https://pinnypeptide.com/compare/adamax-vs-colivelin): Adamantyl-capped Semax derivative — a more lipophilic, longer-acting nootropic analog. Hybrid Humanin / ADNF peptide — high-potency neuroprotective agent for Alzheimer's research. - [Adamax vs Dihexa](https://pinnypeptide.com/compare/adamax-vs-dihexa): Adamantyl-capped Semax derivative — a more lipophilic, longer-acting nootropic analog. Hepatocyte growth factor mimetic — claimed to be 7 orders of magnitude more potent than BDNF. - [Adamax vs DNSP-11](https://pinnypeptide.com/compare/adamax-vs-dnsp-11): Adamantyl-capped Semax derivative — a more lipophilic, longer-acting nootropic analog. Eleven-amino-acid peptide derived from the GDNF prodomain — neuroprotective for dopamine neurons. - [Adamax vs P21 (P021)](https://pinnypeptide.com/compare/adamax-vs-p21): Adamantyl-capped Semax derivative — a more lipophilic, longer-acting nootropic analog. Neurogenic, anti-tau peptide derived from ciliary neurotrophic factor — Alzheimer's research. - [Adamax vs PE22-28](https://pinnypeptide.com/compare/adamax-vs-pe22-28): Adamantyl-capped Semax derivative — a more lipophilic, longer-acting nootropic analog. Fast-acting antidepressant peptide acting via TREK-1 channel inhibition. - [Adamax vs Pinealon](https://pinnypeptide.com/compare/adamax-vs-pinealon): Adamantyl-capped Semax derivative — a more lipophilic, longer-acting nootropic analog. Neuroprotective tripeptide bioregulator that penetrates the nuclear membrane to directly regulate gene expression in brain tissue. - [Adamax vs Selank](https://pinnypeptide.com/compare/adamax-vs-selank): Adamantyl-capped Semax derivative — a more lipophilic, longer-acting nootropic analog. Russian-approved anxiolytic peptide derived from tuftsin with nootropic and immunomodulatory properties. - [Adamax vs Semax](https://pinnypeptide.com/compare/adamax-vs-semax): Adamantyl-capped Semax derivative — a more lipophilic, longer-acting nootropic analog. Neuroprotective ACTH analog with nootropic and neurotrophic properties. - [AOD-9604 vs CJC-1295](https://pinnypeptide.com/compare/aod-9604-vs-cjc-1295): Fat-metabolizing fragment of human growth hormone without growth-promoting effects. Long-acting growth hormone releasing hormone analog for sustained GH and IGF-1 elevation. - [AOD-9604 vs FTPP-Adipotide](https://pinnypeptide.com/compare/aod-9604-vs-ftpp-adipotide): Fat-metabolizing fragment of human growth hormone without growth-promoting effects. Vasculature-targeting peptide that selectively destroys adipose blood vessels. - [AOD-9604 vs HGH Fragment 176-191](https://pinnypeptide.com/compare/aod-9604-vs-hgh-fragment-176-191): Fat-metabolizing fragment of human growth hormone without growth-promoting effects. The unmodified C-terminal fragment of growth hormone — the original lipolytic peptide. - [AOD-9604 vs Ipamorelin](https://pinnypeptide.com/compare/aod-9604-vs-ipamorelin): Fat-metabolizing fragment of human growth hormone without growth-promoting effects. Selective growth hormone secretagogue with minimal side effects. - [AOD-9604 vs Retatrutide](https://pinnypeptide.com/compare/aod-9604-vs-retatrutide): Fat-metabolizing fragment of human growth hormone without growth-promoting effects. Lilly's triple-agonist of GLP-1, GIP, and glucagon receptors — the strongest weight-loss data yet reported. - [AOD-9604 vs Semaglutide](https://pinnypeptide.com/compare/aod-9604-vs-semaglutide): Fat-metabolizing fragment of human growth hormone without growth-promoting effects. GLP-1 receptor agonist revolutionizing the treatment of obesity and type 2 diabetes. - [AOD-9604 vs Survodutide](https://pinnypeptide.com/compare/aod-9604-vs-survodutide): Fat-metabolizing fragment of human growth hormone without growth-promoting effects. Dual GLP-1 / glucagon receptor agonist in late-stage obesity trials. - [AOD-9604 vs Tesamorelin](https://pinnypeptide.com/compare/aod-9604-vs-tesamorelin): Fat-metabolizing fragment of human growth hormone without growth-promoting effects. FDA-approved GHRH analog for HIV-associated lipodystrophy with potent GH-releasing activity. - [AOD-9604 vs Tirzepatide](https://pinnypeptide.com/compare/aod-9604-vs-tirzepatide): Fat-metabolizing fragment of human growth hormone without growth-promoting effects. Dual GIP/GLP-1 receptor agonist delivering unprecedented weight loss and metabolic benefits. - [ARA-290 (Cibinetide) vs B7-33](https://pinnypeptide.com/compare/ara-290-vs-b7-33): Tissue-protective helix-B fragment of erythropoietin — without the red-blood-cell effects. Single-chain relaxin peptide analog with anti-fibrotic and cardioprotective activity. - [ARA-290 (Cibinetide) vs BPC-157](https://pinnypeptide.com/compare/ara-290-vs-bpc-157): Tissue-protective helix-B fragment of erythropoietin — without the red-blood-cell effects. Gastric pentadecapeptide with broad tissue-healing properties. - [ARA-290 (Cibinetide) vs KPV](https://pinnypeptide.com/compare/ara-290-vs-kpv): Tissue-protective helix-B fragment of erythropoietin — without the red-blood-cell effects. Anti-inflammatory tripeptide derived from alpha-melanocyte stimulating hormone. - [ARA-290 (Cibinetide) vs TB-500](https://pinnypeptide.com/compare/ara-290-vs-tb-500): Tissue-protective helix-B fragment of erythropoietin — without the red-blood-cell effects. Synthetic fragment of Thymosin Beta-4 with potent tissue repair activity. - [ARA-290 (Cibinetide) vs TB-500 Fragment 17-23](https://pinnypeptide.com/compare/ara-290-vs-tb-500-frag-17-23): Tissue-protective helix-B fragment of erythropoietin — without the red-blood-cell effects. The 7-amino-acid active fragment of TB-500, isolated for cell-migration effects. - [ARA-290 (Cibinetide) vs VIP (Vasoactive Intestinal Peptide)](https://pinnypeptide.com/compare/ara-290-vs-vip): Tissue-protective helix-B fragment of erythropoietin — without the red-blood-cell effects. Broad neuropeptide with anti-inflammatory, immunomodulatory, and vasodilatory activity. - [B7-33 vs BPC-157](https://pinnypeptide.com/compare/b7-33-vs-bpc-157): Single-chain relaxin peptide analog with anti-fibrotic and cardioprotective activity. Gastric pentadecapeptide with broad tissue-healing properties. - [B7-33 vs Follistatin](https://pinnypeptide.com/compare/b7-33-vs-follistatin): Single-chain relaxin peptide analog with anti-fibrotic and cardioprotective activity. Endogenous activin/myostatin binding protein — the gene-therapy myostatin inhibitor. - [B7-33 vs GDF-8 95 (Myostatin Inhibitor)](https://pinnypeptide.com/compare/b7-33-vs-gdf-8-95): Single-chain relaxin peptide analog with anti-fibrotic and cardioprotective activity. Short-peptide myostatin inhibitor targeting the GDF-8 / activin RIIB pathway. - [B7-33 vs IGF-1 LR3](https://pinnypeptide.com/compare/b7-33-vs-igf-1-lr3): Single-chain relaxin peptide analog with anti-fibrotic and cardioprotective activity. Long-acting IGF-1 analog with reduced binding-protein affinity for sustained signaling. - [B7-33 vs TB-500](https://pinnypeptide.com/compare/b7-33-vs-tb-500): Single-chain relaxin peptide analog with anti-fibrotic and cardioprotective activity. Synthetic fragment of Thymosin Beta-4 with potent tissue repair activity. - [BPC-157 vs GHK-Cu](https://pinnypeptide.com/compare/bpc-157-vs-ghk-cu): Gastric pentadecapeptide with broad tissue-healing properties. Copper-binding tripeptide with potent wound-healing, skin-remodeling, and gene-regulatory properties. - [BPC-157 vs Glow Blend (BPC-157 + TB-500 + GHK-Cu)](https://pinnypeptide.com/compare/bpc-157-vs-glow-blend): Gastric pentadecapeptide with broad tissue-healing properties. Wolverine's healing duo plus GHK-Cu — soft-tissue recovery with a cosmetic kicker for skin, hair, and scars. - [BPC-157 vs Klow Blend (KPV + LL-37 / TB-500 + BPC-157 + GHK-Cu)](https://pinnypeptide.com/compare/bpc-157-vs-klow-blend): Gastric pentadecapeptide with broad tissue-healing properties. Four-peptide stack pairing the Glow components with KPV — anti-inflammatory, gut-supportive, and skin-regenerative in one vial. - [BPC-157 vs KPV](https://pinnypeptide.com/compare/bpc-157-vs-kpv): Gastric pentadecapeptide with broad tissue-healing properties. Anti-inflammatory tripeptide derived from alpha-melanocyte stimulating hormone. - [BPC-157 vs LL-37](https://pinnypeptide.com/compare/bpc-157-vs-ll-37): Gastric pentadecapeptide with broad tissue-healing properties. Human antimicrobial peptide with broad-spectrum pathogen defense and wound-healing activity. - [BPC-157 vs TB-500](https://pinnypeptide.com/compare/bpc-157-vs-tb-500): Gastric pentadecapeptide with broad tissue-healing properties. Synthetic fragment of Thymosin Beta-4 with potent tissue repair activity. - [BPC-157 vs TB-500 Fragment 17-23](https://pinnypeptide.com/compare/bpc-157-vs-tb-500-frag-17-23): Gastric pentadecapeptide with broad tissue-healing properties. The 7-amino-acid active fragment of TB-500, isolated for cell-migration effects. - [BPC-157 vs VIP (Vasoactive Intestinal Peptide)](https://pinnypeptide.com/compare/bpc-157-vs-vip): Gastric pentadecapeptide with broad tissue-healing properties. Broad neuropeptide with anti-inflammatory, immunomodulatory, and vasodilatory activity. - [BPC-157 vs Wolverine Blend (BPC-157 + TB-500)](https://pinnypeptide.com/compare/bpc-157-vs-wolverine-blend): Gastric pentadecapeptide with broad tissue-healing properties. The classic recovery stack — BPC-157 paired with TB-500 for accelerated tissue repair. - [Bronchogen vs Cardiogen](https://pinnypeptide.com/compare/bronchogen-vs-cardiogen): Khavinson short peptide bioregulator targeting bronchial epithelium and lung tissue. Khavinson short peptide bioregulator targeting cardiac muscle and vascular endothelium. - [Bronchogen vs Cartalax](https://pinnypeptide.com/compare/bronchogen-vs-cartalax): Khavinson short peptide bioregulator targeting bronchial epithelium and lung tissue. Khavinson short peptide bioregulator targeting chondrocytes and connective tissue. - [Bronchogen vs Cortagen](https://pinnypeptide.com/compare/bronchogen-vs-cortagen): Khavinson short peptide bioregulator targeting bronchial epithelium and lung tissue. Khavinson short peptide bioregulator targeting cortical neurons and CNS gene expression. - [Bronchogen vs Crystagen](https://pinnypeptide.com/compare/bronchogen-vs-crystagen): Khavinson short peptide bioregulator targeting bronchial epithelium and lung tissue. Khavinson short peptide bioregulator targeting thymus / immune cells. - [Bronchogen vs Ovagen](https://pinnypeptide.com/compare/bronchogen-vs-ovagen): Khavinson short peptide bioregulator targeting bronchial epithelium and lung tissue. Khavinson short peptide bioregulator targeting hepatocytes and liver function. - [Bronchogen vs Pancragen](https://pinnypeptide.com/compare/bronchogen-vs-pancragen): Khavinson short peptide bioregulator targeting bronchial epithelium and lung tissue. Khavinson short peptide bioregulator targeting pancreatic tissue and glucose metabolism. - [Bronchogen vs Prostamax](https://pinnypeptide.com/compare/bronchogen-vs-prostamax): Khavinson short peptide bioregulator targeting bronchial epithelium and lung tissue. Khavinson short peptide bioregulator targeting prostate tissue. - [Bronchogen vs Testagen](https://pinnypeptide.com/compare/bronchogen-vs-testagen): Khavinson short peptide bioregulator targeting bronchial epithelium and lung tissue. Khavinson short peptide bioregulator targeting testicular tissue. - [Bronchogen vs Thymagen](https://pinnypeptide.com/compare/bronchogen-vs-thymagen): Khavinson short peptide bioregulator targeting bronchial epithelium and lung tissue. Khavinson short peptide bioregulator targeting thymic function — Glu-Trp synthetic version. - [Bronchogen vs Thymalin](https://pinnypeptide.com/compare/bronchogen-vs-thymalin): Khavinson short peptide bioregulator targeting bronchial epithelium and lung tissue. Original Khavinson thymic peptide complex — multi-peptide immunomodulator with 40-year Russian clinical track record. - [Bronchogen vs Vesilute](https://pinnypeptide.com/compare/bronchogen-vs-vesilute): Khavinson short peptide bioregulator targeting bronchial epithelium and lung tissue. Khavinson short peptide bioregulator targeting urinary bladder epithelium. - [Bronchogen vs Vesugen](https://pinnypeptide.com/compare/bronchogen-vs-vesugen): Khavinson short peptide bioregulator targeting bronchial epithelium and lung tissue. Khavinson short peptide bioregulator targeting vascular endothelium — KED tripeptide. - [Bronchogen vs Vilon](https://pinnypeptide.com/compare/bronchogen-vs-vilon): Khavinson short peptide bioregulator targeting bronchial epithelium and lung tissue. Khavinson Lys-Glu dipeptide — immunomodulator with documented life-extension activity in mice. - [Cardiogen vs Cartalax](https://pinnypeptide.com/compare/cardiogen-vs-cartalax): Khavinson short peptide bioregulator targeting cardiac muscle and vascular endothelium. Khavinson short peptide bioregulator targeting chondrocytes and connective tissue. - [Cardiogen vs Cortagen](https://pinnypeptide.com/compare/cardiogen-vs-cortagen): Khavinson short peptide bioregulator targeting cardiac muscle and vascular endothelium. Khavinson short peptide bioregulator targeting cortical neurons and CNS gene expression. - [Cardiogen vs Crystagen](https://pinnypeptide.com/compare/cardiogen-vs-crystagen): Khavinson short peptide bioregulator targeting cardiac muscle and vascular endothelium. Khavinson short peptide bioregulator targeting thymus / immune cells. - [Cardiogen vs Ovagen](https://pinnypeptide.com/compare/cardiogen-vs-ovagen): Khavinson short peptide bioregulator targeting cardiac muscle and vascular endothelium. Khavinson short peptide bioregulator targeting hepatocytes and liver function. - [Cardiogen vs Pancragen](https://pinnypeptide.com/compare/cardiogen-vs-pancragen): Khavinson short peptide bioregulator targeting cardiac muscle and vascular endothelium. Khavinson short peptide bioregulator targeting pancreatic tissue and glucose metabolism. - [Cardiogen vs Prostamax](https://pinnypeptide.com/compare/cardiogen-vs-prostamax): Khavinson short peptide bioregulator targeting cardiac muscle and vascular endothelium. Khavinson short peptide bioregulator targeting prostate tissue. - [Cardiogen vs Testagen](https://pinnypeptide.com/compare/cardiogen-vs-testagen): Khavinson short peptide bioregulator targeting cardiac muscle and vascular endothelium. Khavinson short peptide bioregulator targeting testicular tissue. - [Cardiogen vs Thymagen](https://pinnypeptide.com/compare/cardiogen-vs-thymagen): Khavinson short peptide bioregulator targeting cardiac muscle and vascular endothelium. Khavinson short peptide bioregulator targeting thymic function — Glu-Trp synthetic version. - [Cardiogen vs Thymalin](https://pinnypeptide.com/compare/cardiogen-vs-thymalin): Khavinson short peptide bioregulator targeting cardiac muscle and vascular endothelium. Original Khavinson thymic peptide complex — multi-peptide immunomodulator with 40-year Russian clinical track record. - [Cardiogen vs Vesilute](https://pinnypeptide.com/compare/cardiogen-vs-vesilute): Khavinson short peptide bioregulator targeting cardiac muscle and vascular endothelium. Khavinson short peptide bioregulator targeting urinary bladder epithelium. - [Cardiogen vs Vesugen](https://pinnypeptide.com/compare/cardiogen-vs-vesugen): Khavinson short peptide bioregulator targeting cardiac muscle and vascular endothelium. Khavinson short peptide bioregulator targeting vascular endothelium — KED tripeptide. - [Cardiogen vs Vilon](https://pinnypeptide.com/compare/cardiogen-vs-vilon): Khavinson short peptide bioregulator targeting cardiac muscle and vascular endothelium. Khavinson Lys-Glu dipeptide — immunomodulator with documented life-extension activity in mice. - [Cartalax vs Cortagen](https://pinnypeptide.com/compare/cartalax-vs-cortagen): Khavinson short peptide bioregulator targeting chondrocytes and connective tissue. Khavinson short peptide bioregulator targeting cortical neurons and CNS gene expression. - [Cartalax vs Crystagen](https://pinnypeptide.com/compare/cartalax-vs-crystagen): Khavinson short peptide bioregulator targeting chondrocytes and connective tissue. Khavinson short peptide bioregulator targeting thymus / immune cells. - [Cartalax vs Ovagen](https://pinnypeptide.com/compare/cartalax-vs-ovagen): Khavinson short peptide bioregulator targeting chondrocytes and connective tissue. Khavinson short peptide bioregulator targeting hepatocytes and liver function. - [Cartalax vs Pancragen](https://pinnypeptide.com/compare/cartalax-vs-pancragen): Khavinson short peptide bioregulator targeting chondrocytes and connective tissue. Khavinson short peptide bioregulator targeting pancreatic tissue and glucose metabolism. - [Cartalax vs Prostamax](https://pinnypeptide.com/compare/cartalax-vs-prostamax): Khavinson short peptide bioregulator targeting chondrocytes and connective tissue. Khavinson short peptide bioregulator targeting prostate tissue. - [Cartalax vs Testagen](https://pinnypeptide.com/compare/cartalax-vs-testagen): Khavinson short peptide bioregulator targeting chondrocytes and connective tissue. Khavinson short peptide bioregulator targeting testicular tissue. - [Cartalax vs Thymagen](https://pinnypeptide.com/compare/cartalax-vs-thymagen): Khavinson short peptide bioregulator targeting chondrocytes and connective tissue. Khavinson short peptide bioregulator targeting thymic function — Glu-Trp synthetic version. - [Cartalax vs Thymalin](https://pinnypeptide.com/compare/cartalax-vs-thymalin): Khavinson short peptide bioregulator targeting chondrocytes and connective tissue. Original Khavinson thymic peptide complex — multi-peptide immunomodulator with 40-year Russian clinical track record. - [Cartalax vs Vesilute](https://pinnypeptide.com/compare/cartalax-vs-vesilute): Khavinson short peptide bioregulator targeting chondrocytes and connective tissue. Khavinson short peptide bioregulator targeting urinary bladder epithelium. - [Cartalax vs Vesugen](https://pinnypeptide.com/compare/cartalax-vs-vesugen): Khavinson short peptide bioregulator targeting chondrocytes and connective tissue. Khavinson short peptide bioregulator targeting vascular endothelium — KED tripeptide. - [Cartalax vs Vilon](https://pinnypeptide.com/compare/cartalax-vs-vilon): Khavinson short peptide bioregulator targeting chondrocytes and connective tissue. Khavinson Lys-Glu dipeptide — immunomodulator with documented life-extension activity in mice. - [CJC-1295 vs GHRP-2](https://pinnypeptide.com/compare/cjc-1295-vs-ghrp-2): Long-acting growth hormone releasing hormone analog for sustained GH and IGF-1 elevation. Refined ghrelin mimetic — stronger GH release than GHRP-6 with less hunger. - [CJC-1295 vs GHRP-6](https://pinnypeptide.com/compare/cjc-1295-vs-ghrp-6): Long-acting growth hormone releasing hormone analog for sustained GH and IGF-1 elevation. First-generation ghrelin mimetic — potent GH release with notable appetite stimulation. - [CJC-1295 vs Hexarelin](https://pinnypeptide.com/compare/cjc-1295-vs-hexarelin): Long-acting growth hormone releasing hormone analog for sustained GH and IGF-1 elevation. The most potent GHRP — strong GH release with documented cardioprotective signaling. - [CJC-1295 vs HGH Fragment 176-191](https://pinnypeptide.com/compare/cjc-1295-vs-hgh-fragment-176-191): Long-acting growth hormone releasing hormone analog for sustained GH and IGF-1 elevation. The unmodified C-terminal fragment of growth hormone — the original lipolytic peptide. - [CJC-1295 vs IGF-1 LR3](https://pinnypeptide.com/compare/cjc-1295-vs-igf-1-lr3): Long-acting growth hormone releasing hormone analog for sustained GH and IGF-1 elevation. Long-acting IGF-1 analog with reduced binding-protein affinity for sustained signaling. - [CJC-1295 vs Ipamorelin](https://pinnypeptide.com/compare/cjc-1295-vs-ipamorelin): Long-acting growth hormone releasing hormone analog for sustained GH and IGF-1 elevation. Selective growth hormone secretagogue with minimal side effects. - [CJC-1295 vs MGF (Mechano Growth Factor)](https://pinnypeptide.com/compare/cjc-1295-vs-mgf): Long-acting growth hormone releasing hormone analog for sustained GH and IGF-1 elevation. A locally-acting IGF-1 splice variant released by muscle in response to mechanical load. - [CJC-1295 vs Sermorelin](https://pinnypeptide.com/compare/cjc-1295-vs-sermorelin): Long-acting growth hormone releasing hormone analog for sustained GH and IGF-1 elevation. The original GHRH analog and the first FDA-approved peptide secretagogue. - [CJC-1295 vs Tesamorelin](https://pinnypeptide.com/compare/cjc-1295-vs-tesamorelin): Long-acting growth hormone releasing hormone analog for sustained GH and IGF-1 elevation. FDA-approved GHRH analog for HIV-associated lipodystrophy with potent GH-releasing activity. - [Colivelin vs Dihexa](https://pinnypeptide.com/compare/colivelin-vs-dihexa): Hybrid Humanin / ADNF peptide — high-potency neuroprotective agent for Alzheimer's research. Hepatocyte growth factor mimetic — claimed to be 7 orders of magnitude more potent than BDNF. - [Colivelin vs DNSP-11](https://pinnypeptide.com/compare/colivelin-vs-dnsp-11): Hybrid Humanin / ADNF peptide — high-potency neuroprotective agent for Alzheimer's research. Eleven-amino-acid peptide derived from the GDNF prodomain — neuroprotective for dopamine neurons. - [Colivelin vs P21 (P021)](https://pinnypeptide.com/compare/colivelin-vs-p21): Hybrid Humanin / ADNF peptide — high-potency neuroprotective agent for Alzheimer's research. Neurogenic, anti-tau peptide derived from ciliary neurotrophic factor — Alzheimer's research. - [Colivelin vs PE22-28](https://pinnypeptide.com/compare/colivelin-vs-pe22-28): Hybrid Humanin / ADNF peptide — high-potency neuroprotective agent for Alzheimer's research. Fast-acting antidepressant peptide acting via TREK-1 channel inhibition. - [Colivelin vs Pinealon](https://pinnypeptide.com/compare/colivelin-vs-pinealon): Hybrid Humanin / ADNF peptide — high-potency neuroprotective agent for Alzheimer's research. Neuroprotective tripeptide bioregulator that penetrates the nuclear membrane to directly regulate gene expression in brain tissue. - [Colivelin vs Selank](https://pinnypeptide.com/compare/colivelin-vs-selank): Hybrid Humanin / ADNF peptide — high-potency neuroprotective agent for Alzheimer's research. Russian-approved anxiolytic peptide derived from tuftsin with nootropic and immunomodulatory properties. - [Colivelin vs Semax](https://pinnypeptide.com/compare/colivelin-vs-semax): Hybrid Humanin / ADNF peptide — high-potency neuroprotective agent for Alzheimer's research. Neuroprotective ACTH analog with nootropic and neurotrophic properties. - [Cortagen vs Crystagen](https://pinnypeptide.com/compare/cortagen-vs-crystagen): Khavinson short peptide bioregulator targeting cortical neurons and CNS gene expression. Khavinson short peptide bioregulator targeting thymus / immune cells. - [Cortagen vs Epithalon](https://pinnypeptide.com/compare/cortagen-vs-epithalon): Khavinson short peptide bioregulator targeting cortical neurons and CNS gene expression. Synthetic pineal tetrapeptide that activates telomerase and modulates melatonin production. - [Cortagen vs Ovagen](https://pinnypeptide.com/compare/cortagen-vs-ovagen): Khavinson short peptide bioregulator targeting cortical neurons and CNS gene expression. Khavinson short peptide bioregulator targeting hepatocytes and liver function. - [Cortagen vs Pancragen](https://pinnypeptide.com/compare/cortagen-vs-pancragen): Khavinson short peptide bioregulator targeting cortical neurons and CNS gene expression. Khavinson short peptide bioregulator targeting pancreatic tissue and glucose metabolism. - [Cortagen vs Pinealon](https://pinnypeptide.com/compare/cortagen-vs-pinealon): Khavinson short peptide bioregulator targeting cortical neurons and CNS gene expression. Neuroprotective tripeptide bioregulator that penetrates the nuclear membrane to directly regulate gene expression in brain tissue. - [Cortagen vs Prostamax](https://pinnypeptide.com/compare/cortagen-vs-prostamax): Khavinson short peptide bioregulator targeting cortical neurons and CNS gene expression. Khavinson short peptide bioregulator targeting prostate tissue. - [Cortagen vs Selank](https://pinnypeptide.com/compare/cortagen-vs-selank): Khavinson short peptide bioregulator targeting cortical neurons and CNS gene expression. Russian-approved anxiolytic peptide derived from tuftsin with nootropic and immunomodulatory properties. - [Cortagen vs Semax](https://pinnypeptide.com/compare/cortagen-vs-semax): Khavinson short peptide bioregulator targeting cortical neurons and CNS gene expression. Neuroprotective ACTH analog with nootropic and neurotrophic properties. - [Cortagen vs Testagen](https://pinnypeptide.com/compare/cortagen-vs-testagen): Khavinson short peptide bioregulator targeting cortical neurons and CNS gene expression. Khavinson short peptide bioregulator targeting testicular tissue. - [Cortagen vs Thymagen](https://pinnypeptide.com/compare/cortagen-vs-thymagen): Khavinson short peptide bioregulator targeting cortical neurons and CNS gene expression. Khavinson short peptide bioregulator targeting thymic function — Glu-Trp synthetic version. - [Cortagen vs Thymalin](https://pinnypeptide.com/compare/cortagen-vs-thymalin): Khavinson short peptide bioregulator targeting cortical neurons and CNS gene expression. Original Khavinson thymic peptide complex — multi-peptide immunomodulator with 40-year Russian clinical track record. - [Cortagen vs Vesilute](https://pinnypeptide.com/compare/cortagen-vs-vesilute): Khavinson short peptide bioregulator targeting cortical neurons and CNS gene expression. Khavinson short peptide bioregulator targeting urinary bladder epithelium. - [Cortagen vs Vesugen](https://pinnypeptide.com/compare/cortagen-vs-vesugen): Khavinson short peptide bioregulator targeting cortical neurons and CNS gene expression. Khavinson short peptide bioregulator targeting vascular endothelium — KED tripeptide. - [Cortagen vs Vilon](https://pinnypeptide.com/compare/cortagen-vs-vilon): Khavinson short peptide bioregulator targeting cortical neurons and CNS gene expression. Khavinson Lys-Glu dipeptide — immunomodulator with documented life-extension activity in mice. - [Crystagen vs Ovagen](https://pinnypeptide.com/compare/crystagen-vs-ovagen): Khavinson short peptide bioregulator targeting thymus / immune cells. Khavinson short peptide bioregulator targeting hepatocytes and liver function. - [Crystagen vs Pancragen](https://pinnypeptide.com/compare/crystagen-vs-pancragen): Khavinson short peptide bioregulator targeting thymus / immune cells. Khavinson short peptide bioregulator targeting pancreatic tissue and glucose metabolism. - [Crystagen vs Prostamax](https://pinnypeptide.com/compare/crystagen-vs-prostamax): Khavinson short peptide bioregulator targeting thymus / immune cells. Khavinson short peptide bioregulator targeting prostate tissue. - [Crystagen vs Thymagen](https://pinnypeptide.com/compare/crystagen-vs-thymagen): Khavinson short peptide bioregulator targeting thymus / immune cells. Khavinson short peptide bioregulator targeting thymic function — Glu-Trp synthetic version. - [Crystagen vs Thymalin](https://pinnypeptide.com/compare/crystagen-vs-thymalin): Khavinson short peptide bioregulator targeting thymus / immune cells. Original Khavinson thymic peptide complex — multi-peptide immunomodulator with 40-year Russian clinical track record. - [Crystagen vs Thymosin Alpha-1](https://pinnypeptide.com/compare/crystagen-vs-thymosin-alpha-1): Khavinson short peptide bioregulator targeting thymus / immune cells. Thymic peptide with broad immunomodulatory activity, approved in over 35 countries. - [Crystagen vs Vesilute](https://pinnypeptide.com/compare/crystagen-vs-vesilute): Khavinson short peptide bioregulator targeting thymus / immune cells. Khavinson short peptide bioregulator targeting urinary bladder epithelium. - [Crystagen vs Vilon](https://pinnypeptide.com/compare/crystagen-vs-vilon): Khavinson short peptide bioregulator targeting thymus / immune cells. Khavinson Lys-Glu dipeptide — immunomodulator with documented life-extension activity in mice. - [Dermorphin vs PNC-27](https://pinnypeptide.com/compare/dermorphin-vs-pnc-27): Naturally occurring μ-opioid receptor agonist ~30-40× more potent than morphine — research-only. Membrane-active anticancer research peptide — selectively lyses cancer cell membranes. - [Dihexa vs DNSP-11](https://pinnypeptide.com/compare/dihexa-vs-dnsp-11): Hepatocyte growth factor mimetic — claimed to be 7 orders of magnitude more potent than BDNF. Eleven-amino-acid peptide derived from the GDNF prodomain — neuroprotective for dopamine neurons. - [Dihexa vs P21 (P021)](https://pinnypeptide.com/compare/dihexa-vs-p21): Hepatocyte growth factor mimetic — claimed to be 7 orders of magnitude more potent than BDNF. Neurogenic, anti-tau peptide derived from ciliary neurotrophic factor — Alzheimer's research. - [Dihexa vs PE22-28](https://pinnypeptide.com/compare/dihexa-vs-pe22-28): Hepatocyte growth factor mimetic — claimed to be 7 orders of magnitude more potent than BDNF. Fast-acting antidepressant peptide acting via TREK-1 channel inhibition. - [Dihexa vs Pinealon](https://pinnypeptide.com/compare/dihexa-vs-pinealon): Hepatocyte growth factor mimetic — claimed to be 7 orders of magnitude more potent than BDNF. Neuroprotective tripeptide bioregulator that penetrates the nuclear membrane to directly regulate gene expression in brain tissue. - [Dihexa vs Selank](https://pinnypeptide.com/compare/dihexa-vs-selank): Hepatocyte growth factor mimetic — claimed to be 7 orders of magnitude more potent than BDNF. Russian-approved anxiolytic peptide derived from tuftsin with nootropic and immunomodulatory properties. - [Dihexa vs Semax](https://pinnypeptide.com/compare/dihexa-vs-semax): Hepatocyte growth factor mimetic — claimed to be 7 orders of magnitude more potent than BDNF. Neuroprotective ACTH analog with nootropic and neurotrophic properties. - [DNSP-11 vs P21 (P021)](https://pinnypeptide.com/compare/dnsp-11-vs-p21): Eleven-amino-acid peptide derived from the GDNF prodomain — neuroprotective for dopamine neurons. Neurogenic, anti-tau peptide derived from ciliary neurotrophic factor — Alzheimer's research. - [DNSP-11 vs PE22-28](https://pinnypeptide.com/compare/dnsp-11-vs-pe22-28): Eleven-amino-acid peptide derived from the GDNF prodomain — neuroprotective for dopamine neurons. Fast-acting antidepressant peptide acting via TREK-1 channel inhibition. - [DNSP-11 vs Pinealon](https://pinnypeptide.com/compare/dnsp-11-vs-pinealon): Eleven-amino-acid peptide derived from the GDNF prodomain — neuroprotective for dopamine neurons. Neuroprotective tripeptide bioregulator that penetrates the nuclear membrane to directly regulate gene expression in brain tissue. - [DNSP-11 vs Selank](https://pinnypeptide.com/compare/dnsp-11-vs-selank): Eleven-amino-acid peptide derived from the GDNF prodomain — neuroprotective for dopamine neurons. Russian-approved anxiolytic peptide derived from tuftsin with nootropic and immunomodulatory properties. - [DNSP-11 vs Semax](https://pinnypeptide.com/compare/dnsp-11-vs-semax): Eleven-amino-acid peptide derived from the GDNF prodomain — neuroprotective for dopamine neurons. Neuroprotective ACTH analog with nootropic and neurotrophic properties. - [DSIP vs Epithalon](https://pinnypeptide.com/compare/dsip-vs-epithalon): Endogenous nonapeptide that promotes delta wave sleep and modulates neuroendocrine stress responses. Synthetic pineal tetrapeptide that activates telomerase and modulates melatonin production. - [DSIP vs Orexin-A](https://pinnypeptide.com/compare/dsip-vs-orexin-a): Endogenous nonapeptide that promotes delta wave sleep and modulates neuroendocrine stress responses. Hypothalamic wake-promoting neuropeptide — the molecule lost in narcolepsy type 1. - [DSIP vs Orexin-B](https://pinnypeptide.com/compare/dsip-vs-orexin-b): Endogenous nonapeptide that promotes delta wave sleep and modulates neuroendocrine stress responses. Wake-promoting neuropeptide selective for OX2R — the receptor most central to narcolepsy. - [DSIP vs Pinealon](https://pinnypeptide.com/compare/dsip-vs-pinealon): Endogenous nonapeptide that promotes delta wave sleep and modulates neuroendocrine stress responses. Neuroprotective tripeptide bioregulator that penetrates the nuclear membrane to directly regulate gene expression in brain tissue. - [DSIP vs PT-141 (Bremelanotide)](https://pinnypeptide.com/compare/dsip-vs-pt-141): Endogenous nonapeptide that promotes delta wave sleep and modulates neuroendocrine stress responses. FDA-approved melanocortin receptor agonist for hypoactive sexual desire disorder. - [DSIP vs Selank](https://pinnypeptide.com/compare/dsip-vs-selank): Endogenous nonapeptide that promotes delta wave sleep and modulates neuroendocrine stress responses. Russian-approved anxiolytic peptide derived from tuftsin with nootropic and immunomodulatory properties. - [DSIP vs Semax](https://pinnypeptide.com/compare/dsip-vs-semax): Endogenous nonapeptide that promotes delta wave sleep and modulates neuroendocrine stress responses. Neuroprotective ACTH analog with nootropic and neurotrophic properties. - [Epithalon vs FOX04-DRI](https://pinnypeptide.com/compare/epithalon-vs-fox04-dri): Synthetic pineal tetrapeptide that activates telomerase and modulates melatonin production. D-retro-inverso senolytic peptide — selectively kills senescent cells via FOXO4-p53 disruption. - [Epithalon vs GHK-Cu](https://pinnypeptide.com/compare/epithalon-vs-ghk-cu): Synthetic pineal tetrapeptide that activates telomerase and modulates melatonin production. Copper-binding tripeptide with potent wound-healing, skin-remodeling, and gene-regulatory properties. - [Epithalon vs MOTS-c](https://pinnypeptide.com/compare/epithalon-vs-mots-c): Synthetic pineal tetrapeptide that activates telomerase and modulates melatonin production. Mitochondrial-derived peptide that mimics exercise and regulates metabolic homeostasis. - [Epithalon vs N-Acetyl Epitalon](https://pinnypeptide.com/compare/epithalon-vs-n-acetyl-epitalon): Synthetic pineal tetrapeptide that activates telomerase and modulates melatonin production. Acetylated Epitalon variant — more stable, longer-acting form of the telomerase-activating tetrapeptide. - [Epithalon vs NAD+ (Injectable)](https://pinnypeptide.com/compare/epithalon-vs-nad-plus): Synthetic pineal tetrapeptide that activates telomerase and modulates melatonin production. Central cellular cofactor — supplemented to support mitochondrial function and sirtuin activity. - [Epithalon vs Pinealon](https://pinnypeptide.com/compare/epithalon-vs-pinealon): Synthetic pineal tetrapeptide that activates telomerase and modulates melatonin production. Neuroprotective tripeptide bioregulator that penetrates the nuclear membrane to directly regulate gene expression in brain tissue. - [Epithalon vs SS-31 (Elamipretide)](https://pinnypeptide.com/compare/epithalon-vs-ss-31): Synthetic pineal tetrapeptide that activates telomerase and modulates melatonin production. Mitochondria-targeted tetrapeptide that restores bioenergetics by stabilizing cardiolipin. - [Epithalon vs Thymosin Alpha-1](https://pinnypeptide.com/compare/epithalon-vs-thymosin-alpha-1): Synthetic pineal tetrapeptide that activates telomerase and modulates melatonin production. Thymic peptide with broad immunomodulatory activity, approved in over 35 countries. - [Epithalon vs Vilon](https://pinnypeptide.com/compare/epithalon-vs-vilon): Synthetic pineal tetrapeptide that activates telomerase and modulates melatonin production. Khavinson Lys-Glu dipeptide — immunomodulator with documented life-extension activity in mice. - [Follistatin vs GDF-8 95 (Myostatin Inhibitor)](https://pinnypeptide.com/compare/follistatin-vs-gdf-8-95): Endogenous activin/myostatin binding protein — the gene-therapy myostatin inhibitor. Short-peptide myostatin inhibitor targeting the GDF-8 / activin RIIB pathway. - [Follistatin vs IGF-1 DES](https://pinnypeptide.com/compare/follistatin-vs-igf-1-des): Endogenous activin/myostatin binding protein — the gene-therapy myostatin inhibitor. Truncated IGF-1 variant — site-specific, short-acting muscle growth signal. - [Follistatin vs IGF-1 LR3](https://pinnypeptide.com/compare/follistatin-vs-igf-1-lr3): Endogenous activin/myostatin binding protein — the gene-therapy myostatin inhibitor. Long-acting IGF-1 analog with reduced binding-protein affinity for sustained signaling. - [Follistatin vs MGF (Mechano Growth Factor)](https://pinnypeptide.com/compare/follistatin-vs-mgf): Endogenous activin/myostatin binding protein — the gene-therapy myostatin inhibitor. A locally-acting IGF-1 splice variant released by muscle in response to mechanical load. - [FOX04-DRI vs MOTS-c](https://pinnypeptide.com/compare/fox04-dri-vs-mots-c): D-retro-inverso senolytic peptide — selectively kills senescent cells via FOXO4-p53 disruption. Mitochondrial-derived peptide that mimics exercise and regulates metabolic homeostasis. - [FOX04-DRI vs N-Acetyl Epitalon](https://pinnypeptide.com/compare/fox04-dri-vs-n-acetyl-epitalon): D-retro-inverso senolytic peptide — selectively kills senescent cells via FOXO4-p53 disruption. Acetylated Epitalon variant — more stable, longer-acting form of the telomerase-activating tetrapeptide. - [FOX04-DRI vs NAD+ (Injectable)](https://pinnypeptide.com/compare/fox04-dri-vs-nad-plus): D-retro-inverso senolytic peptide — selectively kills senescent cells via FOXO4-p53 disruption. Central cellular cofactor — supplemented to support mitochondrial function and sirtuin activity. - [FOX04-DRI vs SS-31 (Elamipretide)](https://pinnypeptide.com/compare/fox04-dri-vs-ss-31): D-retro-inverso senolytic peptide — selectively kills senescent cells via FOXO4-p53 disruption. Mitochondria-targeted tetrapeptide that restores bioenergetics by stabilizing cardiolipin. - [FTPP-Adipotide vs HGH Fragment 176-191](https://pinnypeptide.com/compare/ftpp-adipotide-vs-hgh-fragment-176-191): Vasculature-targeting peptide that selectively destroys adipose blood vessels. The unmodified C-terminal fragment of growth hormone — the original lipolytic peptide. - [FTPP-Adipotide vs Retatrutide](https://pinnypeptide.com/compare/ftpp-adipotide-vs-retatrutide): Vasculature-targeting peptide that selectively destroys adipose blood vessels. Lilly's triple-agonist of GLP-1, GIP, and glucagon receptors — the strongest weight-loss data yet reported. - [FTPP-Adipotide vs Semaglutide](https://pinnypeptide.com/compare/ftpp-adipotide-vs-semaglutide): Vasculature-targeting peptide that selectively destroys adipose blood vessels. GLP-1 receptor agonist revolutionizing the treatment of obesity and type 2 diabetes. - [FTPP-Adipotide vs Survodutide](https://pinnypeptide.com/compare/ftpp-adipotide-vs-survodutide): Vasculature-targeting peptide that selectively destroys adipose blood vessels. Dual GLP-1 / glucagon receptor agonist in late-stage obesity trials. - [FTPP-Adipotide vs Tirzepatide](https://pinnypeptide.com/compare/ftpp-adipotide-vs-tirzepatide): Vasculature-targeting peptide that selectively destroys adipose blood vessels. Dual GIP/GLP-1 receptor agonist delivering unprecedented weight loss and metabolic benefits. - [GDF-8 95 (Myostatin Inhibitor) vs IGF-1 DES](https://pinnypeptide.com/compare/gdf-8-95-vs-igf-1-des): Short-peptide myostatin inhibitor targeting the GDF-8 / activin RIIB pathway. Truncated IGF-1 variant — site-specific, short-acting muscle growth signal. - [GDF-8 95 (Myostatin Inhibitor) vs IGF-1 LR3](https://pinnypeptide.com/compare/gdf-8-95-vs-igf-1-lr3): Short-peptide myostatin inhibitor targeting the GDF-8 / activin RIIB pathway. Long-acting IGF-1 analog with reduced binding-protein affinity for sustained signaling. - [GHK-Cu vs Glow Blend (BPC-157 + TB-500 + GHK-Cu)](https://pinnypeptide.com/compare/ghk-cu-vs-glow-blend): Copper-binding tripeptide with potent wound-healing, skin-remodeling, and gene-regulatory properties. Wolverine's healing duo plus GHK-Cu — soft-tissue recovery with a cosmetic kicker for skin, hair, and scars. - [GHK-Cu vs Klow Blend (KPV + LL-37 / TB-500 + BPC-157 + GHK-Cu)](https://pinnypeptide.com/compare/ghk-cu-vs-klow-blend): Copper-binding tripeptide with potent wound-healing, skin-remodeling, and gene-regulatory properties. Four-peptide stack pairing the Glow components with KPV — anti-inflammatory, gut-supportive, and skin-regenerative in one vial. - [GHK-Cu vs Matrixyl](https://pinnypeptide.com/compare/ghk-cu-vs-matrixyl): Copper-binding tripeptide with potent wound-healing, skin-remodeling, and gene-regulatory properties. Palmitoyl pentapeptide that signals fibroblasts to rebuild collagen and elastin. - [GHK-Cu vs Melanotan II](https://pinnypeptide.com/compare/ghk-cu-vs-melanotan-ii): Copper-binding tripeptide with potent wound-healing, skin-remodeling, and gene-regulatory properties. Synthetic melanocortin peptide with tanning, appetite-suppressive, and sexual function effects. - [GHK-Cu vs Pal-GHK](https://pinnypeptide.com/compare/ghk-cu-vs-pal-ghk): Copper-binding tripeptide with potent wound-healing, skin-remodeling, and gene-regulatory properties. Lipophilic GHK derivative — collagen-stimulating tripeptide for topical anti-aging. - [GHK-Cu vs PTD-DBM](https://pinnypeptide.com/compare/ghk-cu-vs-ptd-dbm): Copper-binding tripeptide with potent wound-healing, skin-remodeling, and gene-regulatory properties. Wnt-activating peptide that blocks CXXC5 — investigational topical hair-regrowth agent. - [GHK-Cu vs SNAP-8](https://pinnypeptide.com/compare/ghk-cu-vs-snap-8): Copper-binding tripeptide with potent wound-healing, skin-remodeling, and gene-regulatory properties. Eight-amino-acid SNARE-blocking peptide — topical "botox-alternative" for expression lines. - [GHK-Cu vs TB-500](https://pinnypeptide.com/compare/ghk-cu-vs-tb-500): Copper-binding tripeptide with potent wound-healing, skin-remodeling, and gene-regulatory properties. Synthetic fragment of Thymosin Beta-4 with potent tissue repair activity. - [GHK-Cu vs TB-500 Fragment 17-23](https://pinnypeptide.com/compare/ghk-cu-vs-tb-500-frag-17-23): Copper-binding tripeptide with potent wound-healing, skin-remodeling, and gene-regulatory properties. The 7-amino-acid active fragment of TB-500, isolated for cell-migration effects. - [GHRP-2 vs GHRP-6](https://pinnypeptide.com/compare/ghrp-2-vs-ghrp-6): Refined ghrelin mimetic — stronger GH release than GHRP-6 with less hunger. First-generation ghrelin mimetic — potent GH release with notable appetite stimulation. - [GHRP-2 vs Hexarelin](https://pinnypeptide.com/compare/ghrp-2-vs-hexarelin): Refined ghrelin mimetic — stronger GH release than GHRP-6 with less hunger. The most potent GHRP — strong GH release with documented cardioprotective signaling. - [GHRP-2 vs Ipamorelin](https://pinnypeptide.com/compare/ghrp-2-vs-ipamorelin): Refined ghrelin mimetic — stronger GH release than GHRP-6 with less hunger. Selective growth hormone secretagogue with minimal side effects. - [GHRP-2 vs Sermorelin](https://pinnypeptide.com/compare/ghrp-2-vs-sermorelin): Refined ghrelin mimetic — stronger GH release than GHRP-6 with less hunger. The original GHRH analog and the first FDA-approved peptide secretagogue. - [GHRP-2 vs Tesamorelin](https://pinnypeptide.com/compare/ghrp-2-vs-tesamorelin): Refined ghrelin mimetic — stronger GH release than GHRP-6 with less hunger. FDA-approved GHRH analog for HIV-associated lipodystrophy with potent GH-releasing activity. - [GHRP-6 vs Hexarelin](https://pinnypeptide.com/compare/ghrp-6-vs-hexarelin): First-generation ghrelin mimetic — potent GH release with notable appetite stimulation. The most potent GHRP — strong GH release with documented cardioprotective signaling. - [GHRP-6 vs Ipamorelin](https://pinnypeptide.com/compare/ghrp-6-vs-ipamorelin): First-generation ghrelin mimetic — potent GH release with notable appetite stimulation. Selective growth hormone secretagogue with minimal side effects. - [GHRP-6 vs Sermorelin](https://pinnypeptide.com/compare/ghrp-6-vs-sermorelin): First-generation ghrelin mimetic — potent GH release with notable appetite stimulation. The original GHRH analog and the first FDA-approved peptide secretagogue. - [GHRP-6 vs Tesamorelin](https://pinnypeptide.com/compare/ghrp-6-vs-tesamorelin): First-generation ghrelin mimetic — potent GH release with notable appetite stimulation. FDA-approved GHRH analog for HIV-associated lipodystrophy with potent GH-releasing activity. - [Glow Blend (BPC-157 + TB-500 + GHK-Cu) vs Klow Blend (KPV + LL-37 / TB-500 + BPC-157 + GHK-Cu)](https://pinnypeptide.com/compare/glow-blend-vs-klow-blend): Wolverine's healing duo plus GHK-Cu — soft-tissue recovery with a cosmetic kicker for skin, hair, and scars. Four-peptide stack pairing the Glow components with KPV — anti-inflammatory, gut-supportive, and skin-regenerative in one vial. - [Glow Blend (BPC-157 + TB-500 + GHK-Cu) vs TB-500](https://pinnypeptide.com/compare/glow-blend-vs-tb-500): Wolverine's healing duo plus GHK-Cu — soft-tissue recovery with a cosmetic kicker for skin, hair, and scars. Synthetic fragment of Thymosin Beta-4 with potent tissue repair activity. - [Glow Blend (BPC-157 + TB-500 + GHK-Cu) vs Wolverine Blend (BPC-157 + TB-500)](https://pinnypeptide.com/compare/glow-blend-vs-wolverine-blend): Wolverine's healing duo plus GHK-Cu — soft-tissue recovery with a cosmetic kicker for skin, hair, and scars. The classic recovery stack — BPC-157 paired with TB-500 for accelerated tissue repair. - [HEP-1 (Gepon) vs Thymalin](https://pinnypeptide.com/compare/hep-1-vs-thymalin): Russian-approved 14-amino-acid immunomodulator derived from the ezrin protein. Original Khavinson thymic peptide complex — multi-peptide immunomodulator with 40-year Russian clinical track record. - [HEP-1 (Gepon) vs Thymosin Alpha-1](https://pinnypeptide.com/compare/hep-1-vs-thymosin-alpha-1): Russian-approved 14-amino-acid immunomodulator derived from the ezrin protein. Thymic peptide with broad immunomodulatory activity, approved in over 35 countries. - [HEP-1 (Gepon) vs Vilon](https://pinnypeptide.com/compare/hep-1-vs-vilon): Russian-approved 14-amino-acid immunomodulator derived from the ezrin protein. Khavinson Lys-Glu dipeptide — immunomodulator with documented life-extension activity in mice. - [HEP-1 (Gepon) vs VIP (Vasoactive Intestinal Peptide)](https://pinnypeptide.com/compare/hep-1-vs-vip): Russian-approved 14-amino-acid immunomodulator derived from the ezrin protein. Broad neuropeptide with anti-inflammatory, immunomodulatory, and vasodilatory activity. - [Hexarelin vs Ipamorelin](https://pinnypeptide.com/compare/hexarelin-vs-ipamorelin): The most potent GHRP — strong GH release with documented cardioprotective signaling. Selective growth hormone secretagogue with minimal side effects. - [Hexarelin vs Sermorelin](https://pinnypeptide.com/compare/hexarelin-vs-sermorelin): The most potent GHRP — strong GH release with documented cardioprotective signaling. The original GHRH analog and the first FDA-approved peptide secretagogue. - [Hexarelin vs Tesamorelin](https://pinnypeptide.com/compare/hexarelin-vs-tesamorelin): The most potent GHRP — strong GH release with documented cardioprotective signaling. FDA-approved GHRH analog for HIV-associated lipodystrophy with potent GH-releasing activity. - [HGH Fragment 176-191 vs Ipamorelin](https://pinnypeptide.com/compare/hgh-fragment-176-191-vs-ipamorelin): The unmodified C-terminal fragment of growth hormone — the original lipolytic peptide. Selective growth hormone secretagogue with minimal side effects. - [HGH Fragment 176-191 vs Retatrutide](https://pinnypeptide.com/compare/hgh-fragment-176-191-vs-retatrutide): The unmodified C-terminal fragment of growth hormone — the original lipolytic peptide. Lilly's triple-agonist of GLP-1, GIP, and glucagon receptors — the strongest weight-loss data yet reported. - [HGH Fragment 176-191 vs Semaglutide](https://pinnypeptide.com/compare/hgh-fragment-176-191-vs-semaglutide): The unmodified C-terminal fragment of growth hormone — the original lipolytic peptide. GLP-1 receptor agonist revolutionizing the treatment of obesity and type 2 diabetes. - [HGH Fragment 176-191 vs Survodutide](https://pinnypeptide.com/compare/hgh-fragment-176-191-vs-survodutide): The unmodified C-terminal fragment of growth hormone — the original lipolytic peptide. Dual GLP-1 / glucagon receptor agonist in late-stage obesity trials. - [HGH Fragment 176-191 vs Tesamorelin](https://pinnypeptide.com/compare/hgh-fragment-176-191-vs-tesamorelin): The unmodified C-terminal fragment of growth hormone — the original lipolytic peptide. FDA-approved GHRH analog for HIV-associated lipodystrophy with potent GH-releasing activity. - [HGH Fragment 176-191 vs Tirzepatide](https://pinnypeptide.com/compare/hgh-fragment-176-191-vs-tirzepatide): The unmodified C-terminal fragment of growth hormone — the original lipolytic peptide. Dual GIP/GLP-1 receptor agonist delivering unprecedented weight loss and metabolic benefits. - [IGF-1 DES vs IGF-1 LR3](https://pinnypeptide.com/compare/igf-1-des-vs-igf-1-lr3): Truncated IGF-1 variant — site-specific, short-acting muscle growth signal. Long-acting IGF-1 analog with reduced binding-protein affinity for sustained signaling. - [IGF-1 DES vs Ipamorelin](https://pinnypeptide.com/compare/igf-1-des-vs-ipamorelin): Truncated IGF-1 variant — site-specific, short-acting muscle growth signal. Selective growth hormone secretagogue with minimal side effects. - [IGF-1 DES vs MGF (Mechano Growth Factor)](https://pinnypeptide.com/compare/igf-1-des-vs-mgf): Truncated IGF-1 variant — site-specific, short-acting muscle growth signal. A locally-acting IGF-1 splice variant released by muscle in response to mechanical load. - [IGF-1 LR3 vs MGF (Mechano Growth Factor)](https://pinnypeptide.com/compare/igf-1-lr3-vs-mgf): Long-acting IGF-1 analog with reduced binding-protein affinity for sustained signaling. A locally-acting IGF-1 splice variant released by muscle in response to mechanical load. - [Ipamorelin vs MGF (Mechano Growth Factor)](https://pinnypeptide.com/compare/ipamorelin-vs-mgf): Selective growth hormone secretagogue with minimal side effects. A locally-acting IGF-1 splice variant released by muscle in response to mechanical load. - [Ipamorelin vs Sermorelin](https://pinnypeptide.com/compare/ipamorelin-vs-sermorelin): Selective growth hormone secretagogue with minimal side effects. The original GHRH analog and the first FDA-approved peptide secretagogue. - [Ipamorelin vs Tesamorelin](https://pinnypeptide.com/compare/ipamorelin-vs-tesamorelin): Selective growth hormone secretagogue with minimal side effects. FDA-approved GHRH analog for HIV-associated lipodystrophy with potent GH-releasing activity. - [Kisspeptin-10 vs Oxytocin](https://pinnypeptide.com/compare/kisspeptin-10-vs-oxytocin): Master upstream regulator of the reproductive axis — the GnRH releaser. The "bonding hormone" — neuropeptide with established obstetric and exploratory social roles. - [Kisspeptin-10 vs PT-141 (Bremelanotide)](https://pinnypeptide.com/compare/kisspeptin-10-vs-pt-141): Master upstream regulator of the reproductive axis — the GnRH releaser. FDA-approved melanocortin receptor agonist for hypoactive sexual desire disorder. - [Kisspeptin-10 vs Testagen](https://pinnypeptide.com/compare/kisspeptin-10-vs-testagen): Master upstream regulator of the reproductive axis — the GnRH releaser. Khavinson short peptide bioregulator targeting testicular tissue. - [Kisspeptin-10 vs Triptorelin](https://pinnypeptide.com/compare/kisspeptin-10-vs-triptorelin): Master upstream regulator of the reproductive axis — the GnRH releaser. Long-acting GnRH agonist — FDA-approved for prostate cancer and used in PCT protocols. - [Klow Blend (KPV + LL-37 / TB-500 + BPC-157 + GHK-Cu) vs KPV](https://pinnypeptide.com/compare/klow-blend-vs-kpv): Four-peptide stack pairing the Glow components with KPV — anti-inflammatory, gut-supportive, and skin-regenerative in one vial. Anti-inflammatory tripeptide derived from alpha-melanocyte stimulating hormone. - [Klow Blend (KPV + LL-37 / TB-500 + BPC-157 + GHK-Cu) vs TB-500](https://pinnypeptide.com/compare/klow-blend-vs-tb-500): Four-peptide stack pairing the Glow components with KPV — anti-inflammatory, gut-supportive, and skin-regenerative in one vial. Synthetic fragment of Thymosin Beta-4 with potent tissue repair activity. - [Klow Blend (KPV + LL-37 / TB-500 + BPC-157 + GHK-Cu) vs Wolverine Blend (BPC-157 + TB-500)](https://pinnypeptide.com/compare/klow-blend-vs-wolverine-blend): Four-peptide stack pairing the Glow components with KPV — anti-inflammatory, gut-supportive, and skin-regenerative in one vial. The classic recovery stack — BPC-157 paired with TB-500 for accelerated tissue repair. - [KPV vs LL-37](https://pinnypeptide.com/compare/kpv-vs-ll-37): Anti-inflammatory tripeptide derived from alpha-melanocyte stimulating hormone. Human antimicrobial peptide with broad-spectrum pathogen defense and wound-healing activity. - [KPV vs TB-500](https://pinnypeptide.com/compare/kpv-vs-tb-500): Anti-inflammatory tripeptide derived from alpha-melanocyte stimulating hormone. Synthetic fragment of Thymosin Beta-4 with potent tissue repair activity. - [KPV vs TB-500 Fragment 17-23](https://pinnypeptide.com/compare/kpv-vs-tb-500-frag-17-23): Anti-inflammatory tripeptide derived from alpha-melanocyte stimulating hormone. The 7-amino-acid active fragment of TB-500, isolated for cell-migration effects. - [KPV vs Thymosin Alpha-1](https://pinnypeptide.com/compare/kpv-vs-thymosin-alpha-1): Anti-inflammatory tripeptide derived from alpha-melanocyte stimulating hormone. Thymic peptide with broad immunomodulatory activity, approved in over 35 countries. - [KPV vs VIP (Vasoactive Intestinal Peptide)](https://pinnypeptide.com/compare/kpv-vs-vip): Anti-inflammatory tripeptide derived from alpha-melanocyte stimulating hormone. Broad neuropeptide with anti-inflammatory, immunomodulatory, and vasodilatory activity. - [LL-37 vs TB-500](https://pinnypeptide.com/compare/ll-37-vs-tb-500): Human antimicrobial peptide with broad-spectrum pathogen defense and wound-healing activity. Synthetic fragment of Thymosin Beta-4 with potent tissue repair activity. - [LL-37 vs TB-500 Fragment 17-23](https://pinnypeptide.com/compare/ll-37-vs-tb-500-frag-17-23): Human antimicrobial peptide with broad-spectrum pathogen defense and wound-healing activity. The 7-amino-acid active fragment of TB-500, isolated for cell-migration effects. - [LL-37 vs Thymosin Alpha-1](https://pinnypeptide.com/compare/ll-37-vs-thymosin-alpha-1): Human antimicrobial peptide with broad-spectrum pathogen defense and wound-healing activity. Thymic peptide with broad immunomodulatory activity, approved in over 35 countries. - [Matrixyl vs Melanotan II](https://pinnypeptide.com/compare/matrixyl-vs-melanotan-ii): Palmitoyl pentapeptide that signals fibroblasts to rebuild collagen and elastin. Synthetic melanocortin peptide with tanning, appetite-suppressive, and sexual function effects. - [Matrixyl vs Pal-GHK](https://pinnypeptide.com/compare/matrixyl-vs-pal-ghk): Palmitoyl pentapeptide that signals fibroblasts to rebuild collagen and elastin. Lipophilic GHK derivative — collagen-stimulating tripeptide for topical anti-aging. - [Matrixyl vs PTD-DBM](https://pinnypeptide.com/compare/matrixyl-vs-ptd-dbm): Palmitoyl pentapeptide that signals fibroblasts to rebuild collagen and elastin. Wnt-activating peptide that blocks CXXC5 — investigational topical hair-regrowth agent. - [Matrixyl vs SNAP-8](https://pinnypeptide.com/compare/matrixyl-vs-snap-8): Palmitoyl pentapeptide that signals fibroblasts to rebuild collagen and elastin. Eight-amino-acid SNARE-blocking peptide — topical "botox-alternative" for expression lines. - [Melanotan II vs Pal-GHK](https://pinnypeptide.com/compare/melanotan-ii-vs-pal-ghk): Synthetic melanocortin peptide with tanning, appetite-suppressive, and sexual function effects. Lipophilic GHK derivative — collagen-stimulating tripeptide for topical anti-aging. - [Melanotan II vs PT-141 (Bremelanotide)](https://pinnypeptide.com/compare/melanotan-ii-vs-pt-141): Synthetic melanocortin peptide with tanning, appetite-suppressive, and sexual function effects. FDA-approved melanocortin receptor agonist for hypoactive sexual desire disorder. - [Melanotan II vs PTD-DBM](https://pinnypeptide.com/compare/melanotan-ii-vs-ptd-dbm): Synthetic melanocortin peptide with tanning, appetite-suppressive, and sexual function effects. Wnt-activating peptide that blocks CXXC5 — investigational topical hair-regrowth agent. - [Melanotan II vs SNAP-8](https://pinnypeptide.com/compare/melanotan-ii-vs-snap-8): Synthetic melanocortin peptide with tanning, appetite-suppressive, and sexual function effects. Eight-amino-acid SNARE-blocking peptide — topical "botox-alternative" for expression lines. - [MGF (Mechano Growth Factor) vs Sermorelin](https://pinnypeptide.com/compare/mgf-vs-sermorelin): A locally-acting IGF-1 splice variant released by muscle in response to mechanical load. The original GHRH analog and the first FDA-approved peptide secretagogue. - [MGF (Mechano Growth Factor) vs Tesamorelin](https://pinnypeptide.com/compare/mgf-vs-tesamorelin): A locally-acting IGF-1 splice variant released by muscle in response to mechanical load. FDA-approved GHRH analog for HIV-associated lipodystrophy with potent GH-releasing activity. - [MOTS-c vs N-Acetyl Epitalon](https://pinnypeptide.com/compare/mots-c-vs-n-acetyl-epitalon): Mitochondrial-derived peptide that mimics exercise and regulates metabolic homeostasis. Acetylated Epitalon variant — more stable, longer-acting form of the telomerase-activating tetrapeptide. - [MOTS-c vs NAD+ (Injectable)](https://pinnypeptide.com/compare/mots-c-vs-nad-plus): Mitochondrial-derived peptide that mimics exercise and regulates metabolic homeostasis. Central cellular cofactor — supplemented to support mitochondrial function and sirtuin activity. - [MOTS-c vs SS-31 (Elamipretide)](https://pinnypeptide.com/compare/mots-c-vs-ss-31): Mitochondrial-derived peptide that mimics exercise and regulates metabolic homeostasis. Mitochondria-targeted tetrapeptide that restores bioenergetics by stabilizing cardiolipin. - [N-Acetyl Epitalon vs NAD+ (Injectable)](https://pinnypeptide.com/compare/n-acetyl-epitalon-vs-nad-plus): Acetylated Epitalon variant — more stable, longer-acting form of the telomerase-activating tetrapeptide. Central cellular cofactor — supplemented to support mitochondrial function and sirtuin activity. - [N-Acetyl Epitalon vs Pinealon](https://pinnypeptide.com/compare/n-acetyl-epitalon-vs-pinealon): Acetylated Epitalon variant — more stable, longer-acting form of the telomerase-activating tetrapeptide. Neuroprotective tripeptide bioregulator that penetrates the nuclear membrane to directly regulate gene expression in brain tissue. - [N-Acetyl Epitalon vs SS-31 (Elamipretide)](https://pinnypeptide.com/compare/n-acetyl-epitalon-vs-ss-31): Acetylated Epitalon variant — more stable, longer-acting form of the telomerase-activating tetrapeptide. Mitochondria-targeted tetrapeptide that restores bioenergetics by stabilizing cardiolipin. - [NAD+ (Injectable) vs SS-31 (Elamipretide)](https://pinnypeptide.com/compare/nad-plus-vs-ss-31): Central cellular cofactor — supplemented to support mitochondrial function and sirtuin activity. Mitochondria-targeted tetrapeptide that restores bioenergetics by stabilizing cardiolipin. - [Orexin-A vs Orexin-B](https://pinnypeptide.com/compare/orexin-a-vs-orexin-b): Hypothalamic wake-promoting neuropeptide — the molecule lost in narcolepsy type 1. Wake-promoting neuropeptide selective for OX2R — the receptor most central to narcolepsy. - [Ovagen vs Pancragen](https://pinnypeptide.com/compare/ovagen-vs-pancragen): Khavinson short peptide bioregulator targeting hepatocytes and liver function. Khavinson short peptide bioregulator targeting pancreatic tissue and glucose metabolism. - [Oxytocin vs PT-141 (Bremelanotide)](https://pinnypeptide.com/compare/oxytocin-vs-pt-141): The "bonding hormone" — neuropeptide with established obstetric and exploratory social roles. FDA-approved melanocortin receptor agonist for hypoactive sexual desire disorder. - [Oxytocin vs Triptorelin](https://pinnypeptide.com/compare/oxytocin-vs-triptorelin): The "bonding hormone" — neuropeptide with established obstetric and exploratory social roles. Long-acting GnRH agonist — FDA-approved for prostate cancer and used in PCT protocols. - [P21 (P021) vs PE22-28](https://pinnypeptide.com/compare/p21-vs-pe22-28): Neurogenic, anti-tau peptide derived from ciliary neurotrophic factor — Alzheimer's research. Fast-acting antidepressant peptide acting via TREK-1 channel inhibition. - [P21 (P021) vs Pinealon](https://pinnypeptide.com/compare/p21-vs-pinealon): Neurogenic, anti-tau peptide derived from ciliary neurotrophic factor — Alzheimer's research. Neuroprotective tripeptide bioregulator that penetrates the nuclear membrane to directly regulate gene expression in brain tissue. - [P21 (P021) vs Selank](https://pinnypeptide.com/compare/p21-vs-selank): Neurogenic, anti-tau peptide derived from ciliary neurotrophic factor — Alzheimer's research. Russian-approved anxiolytic peptide derived from tuftsin with nootropic and immunomodulatory properties. - [P21 (P021) vs Semax](https://pinnypeptide.com/compare/p21-vs-semax): Neurogenic, anti-tau peptide derived from ciliary neurotrophic factor — Alzheimer's research. Neuroprotective ACTH analog with nootropic and neurotrophic properties. - [Pal-GHK vs PTD-DBM](https://pinnypeptide.com/compare/pal-ghk-vs-ptd-dbm): Lipophilic GHK derivative — collagen-stimulating tripeptide for topical anti-aging. Wnt-activating peptide that blocks CXXC5 — investigational topical hair-regrowth agent. - [Pal-GHK vs SNAP-8](https://pinnypeptide.com/compare/pal-ghk-vs-snap-8): Lipophilic GHK derivative — collagen-stimulating tripeptide for topical anti-aging. Eight-amino-acid SNARE-blocking peptide — topical "botox-alternative" for expression lines. - [Pancragen vs Testagen](https://pinnypeptide.com/compare/pancragen-vs-testagen): Khavinson short peptide bioregulator targeting pancreatic tissue and glucose metabolism. Khavinson short peptide bioregulator targeting testicular tissue. - [PE22-28 vs Pinealon](https://pinnypeptide.com/compare/pe22-28-vs-pinealon): Fast-acting antidepressant peptide acting via TREK-1 channel inhibition. Neuroprotective tripeptide bioregulator that penetrates the nuclear membrane to directly regulate gene expression in brain tissue. - [PE22-28 vs Selank](https://pinnypeptide.com/compare/pe22-28-vs-selank): Fast-acting antidepressant peptide acting via TREK-1 channel inhibition. Russian-approved anxiolytic peptide derived from tuftsin with nootropic and immunomodulatory properties. - [PE22-28 vs Semax](https://pinnypeptide.com/compare/pe22-28-vs-semax): Fast-acting antidepressant peptide acting via TREK-1 channel inhibition. Neuroprotective ACTH analog with nootropic and neurotrophic properties. - [Pinealon vs Selank](https://pinnypeptide.com/compare/pinealon-vs-selank): Neuroprotective tripeptide bioregulator that penetrates the nuclear membrane to directly regulate gene expression in brain tissue. Russian-approved anxiolytic peptide derived from tuftsin with nootropic and immunomodulatory properties. - [Pinealon vs Semax](https://pinnypeptide.com/compare/pinealon-vs-semax): Neuroprotective tripeptide bioregulator that penetrates the nuclear membrane to directly regulate gene expression in brain tissue. Neuroprotective ACTH analog with nootropic and neurotrophic properties. - [Pinealon vs SS-31 (Elamipretide)](https://pinnypeptide.com/compare/pinealon-vs-ss-31): Neuroprotective tripeptide bioregulator that penetrates the nuclear membrane to directly regulate gene expression in brain tissue. Mitochondria-targeted tetrapeptide that restores bioenergetics by stabilizing cardiolipin. - [Pinealon vs Thymosin Alpha-1](https://pinnypeptide.com/compare/pinealon-vs-thymosin-alpha-1): Neuroprotective tripeptide bioregulator that penetrates the nuclear membrane to directly regulate gene expression in brain tissue. Thymic peptide with broad immunomodulatory activity, approved in over 35 countries. - [Prostamax vs Testagen](https://pinnypeptide.com/compare/prostamax-vs-testagen): Khavinson short peptide bioregulator targeting prostate tissue. Khavinson short peptide bioregulator targeting testicular tissue. - [Prostamax vs Vesilute](https://pinnypeptide.com/compare/prostamax-vs-vesilute): Khavinson short peptide bioregulator targeting prostate tissue. Khavinson short peptide bioregulator targeting urinary bladder epithelium. - [PT-141 (Bremelanotide) vs Triptorelin](https://pinnypeptide.com/compare/pt-141-vs-triptorelin): FDA-approved melanocortin receptor agonist for hypoactive sexual desire disorder. Long-acting GnRH agonist — FDA-approved for prostate cancer and used in PCT protocols. - [PTD-DBM vs SNAP-8](https://pinnypeptide.com/compare/ptd-dbm-vs-snap-8): Wnt-activating peptide that blocks CXXC5 — investigational topical hair-regrowth agent. Eight-amino-acid SNARE-blocking peptide — topical "botox-alternative" for expression lines. - [Retatrutide vs Semaglutide](https://pinnypeptide.com/compare/retatrutide-vs-semaglutide): Lilly's triple-agonist of GLP-1, GIP, and glucagon receptors — the strongest weight-loss data yet reported. GLP-1 receptor agonist revolutionizing the treatment of obesity and type 2 diabetes. - [Retatrutide vs Survodutide](https://pinnypeptide.com/compare/retatrutide-vs-survodutide): Lilly's triple-agonist of GLP-1, GIP, and glucagon receptors — the strongest weight-loss data yet reported. Dual GLP-1 / glucagon receptor agonist in late-stage obesity trials. - [Retatrutide vs Tirzepatide](https://pinnypeptide.com/compare/retatrutide-vs-tirzepatide): Lilly's triple-agonist of GLP-1, GIP, and glucagon receptors — the strongest weight-loss data yet reported. Dual GIP/GLP-1 receptor agonist delivering unprecedented weight loss and metabolic benefits. - [Selank vs Semax](https://pinnypeptide.com/compare/selank-vs-semax): Russian-approved anxiolytic peptide derived from tuftsin with nootropic and immunomodulatory properties. Neuroprotective ACTH analog with nootropic and neurotrophic properties. - [Semaglutide vs Survodutide](https://pinnypeptide.com/compare/semaglutide-vs-survodutide): GLP-1 receptor agonist revolutionizing the treatment of obesity and type 2 diabetes. Dual GLP-1 / glucagon receptor agonist in late-stage obesity trials. - [Semaglutide vs Tirzepatide](https://pinnypeptide.com/compare/semaglutide-vs-tirzepatide): GLP-1 receptor agonist revolutionizing the treatment of obesity and type 2 diabetes. Dual GIP/GLP-1 receptor agonist delivering unprecedented weight loss and metabolic benefits. - [Sermorelin vs Tesamorelin](https://pinnypeptide.com/compare/sermorelin-vs-tesamorelin): The original GHRH analog and the first FDA-approved peptide secretagogue. FDA-approved GHRH analog for HIV-associated lipodystrophy with potent GH-releasing activity. - [SS-31 (Elamipretide) vs Vesugen](https://pinnypeptide.com/compare/ss-31-vs-vesugen): Mitochondria-targeted tetrapeptide that restores bioenergetics by stabilizing cardiolipin. Khavinson short peptide bioregulator targeting vascular endothelium — KED tripeptide. - [Survodutide vs Tirzepatide](https://pinnypeptide.com/compare/survodutide-vs-tirzepatide): Dual GLP-1 / glucagon receptor agonist in late-stage obesity trials. Dual GIP/GLP-1 receptor agonist delivering unprecedented weight loss and metabolic benefits. - [TB-500 Fragment 17-23 vs VIP (Vasoactive Intestinal Peptide)](https://pinnypeptide.com/compare/tb-500-frag-17-23-vs-vip): The 7-amino-acid active fragment of TB-500, isolated for cell-migration effects. Broad neuropeptide with anti-inflammatory, immunomodulatory, and vasodilatory activity. - [TB-500 vs TB-500 Fragment 17-23](https://pinnypeptide.com/compare/tb-500-vs-tb-500-frag-17-23): Synthetic fragment of Thymosin Beta-4 with potent tissue repair activity. The 7-amino-acid active fragment of TB-500, isolated for cell-migration effects. - [TB-500 vs VIP (Vasoactive Intestinal Peptide)](https://pinnypeptide.com/compare/tb-500-vs-vip): Synthetic fragment of Thymosin Beta-4 with potent tissue repair activity. Broad neuropeptide with anti-inflammatory, immunomodulatory, and vasodilatory activity. - [TB-500 vs Wolverine Blend (BPC-157 + TB-500)](https://pinnypeptide.com/compare/tb-500-vs-wolverine-blend): Synthetic fragment of Thymosin Beta-4 with potent tissue repair activity. The classic recovery stack — BPC-157 paired with TB-500 for accelerated tissue repair. - [Thymagen vs Thymalin](https://pinnypeptide.com/compare/thymagen-vs-thymalin): Khavinson short peptide bioregulator targeting thymic function — Glu-Trp synthetic version. Original Khavinson thymic peptide complex — multi-peptide immunomodulator with 40-year Russian clinical track record. - [Thymagen vs Thymosin Alpha-1](https://pinnypeptide.com/compare/thymagen-vs-thymosin-alpha-1): Khavinson short peptide bioregulator targeting thymic function — Glu-Trp synthetic version. Thymic peptide with broad immunomodulatory activity, approved in over 35 countries. - [Thymagen vs Vilon](https://pinnypeptide.com/compare/thymagen-vs-vilon): Khavinson short peptide bioregulator targeting thymic function — Glu-Trp synthetic version. Khavinson Lys-Glu dipeptide — immunomodulator with documented life-extension activity in mice. - [Thymalin vs Thymosin Alpha-1](https://pinnypeptide.com/compare/thymalin-vs-thymosin-alpha-1): Original Khavinson thymic peptide complex — multi-peptide immunomodulator with 40-year Russian clinical track record. Thymic peptide with broad immunomodulatory activity, approved in over 35 countries. - [Thymalin vs Vilon](https://pinnypeptide.com/compare/thymalin-vs-vilon): Original Khavinson thymic peptide complex — multi-peptide immunomodulator with 40-year Russian clinical track record. Khavinson Lys-Glu dipeptide — immunomodulator with documented life-extension activity in mice. - [Thymosin Alpha-1 vs VIP (Vasoactive Intestinal Peptide)](https://pinnypeptide.com/compare/thymosin-alpha-1-vs-vip): Thymic peptide with broad immunomodulatory activity, approved in over 35 countries. Broad neuropeptide with anti-inflammatory, immunomodulatory, and vasodilatory activity. - [Vesilute vs Vesugen](https://pinnypeptide.com/compare/vesilute-vs-vesugen): Khavinson short peptide bioregulator targeting urinary bladder epithelium. Khavinson short peptide bioregulator targeting vascular endothelium — KED tripeptide. ## Tech Nuxt 4, Vue 3, Tailwind CSS v4, Supabase (Auth + PostgreSQL), Headless UI. ## Authorship & Disclaimer Content is for educational/research purposes. Not medical advice. Many compounds listed are not FDA-approved for human use; see individual articles for jurisdiction-specific status.