Side-by-side comparison: effects, dosing ranges, side effects, regulatory status, and reconstitution.
Peptide A
Cognitive
Adamantyl-capped Semax derivative — a more lipophilic, longer-acting nootropic analog.
Peptide B
Cognitive
Neurogenic, anti-tau peptide derived from ciliary neurotrophic factor — Alzheimer's research.
Typical vial
5 mg
Typical dose
100-500 mcg
Half-life
Estimated longer than Semax (~hours, uncharacterized)
FDA status
Not FDA approved.
Typical vial
5 mg
Typical dose
Per kg dosing mcg
Half-life
Variable; designed for sustained activity
FDA status
Not FDA approved.
Adamax effects
P21 (P021) effects
Adamax side effects
P21 (P021) side effects
Adamax dosing ranges
Cognitive research (intranasal)
100-300 mcg · Once or twice daily · 14-30 days per cycle
Subcutaneous research
100-500 mcg · Once daily · 14-30 days per cycle
P21 (P021) dosing ranges
Neurogenesis research (preclinical)
40-200 mcg/kg · Daily or alternate-day SubQ · Per research protocol
Adamax: Adamantyl-capped Semax derivative — a more lipophilic, longer-acting nootropic analog. Typical dose 100-500 mcg. P21 (P021): Neurogenic, anti-tau peptide derived from ciliary neurotrophic factor — Alzheimer's research. Typical dose Per kg dosing mcg. Both fall under the Cognitive category.
Stacking Adamax with P21 (P021) is a protocol-design question best raised with a clinician — it depends on your goal, current bloodwork, and whether both peptides target overlapping mechanisms. Both peptides should be tracked independently with separate injection sites and timing. PinnyPeptide supports multi-peptide stacks with automatic injection site rotation.
Adamax is typically dosed: Once or twice daily for Cognitive research (intranasal); Once daily for Subcutaneous research. P21 (P021) is typically dosed: Daily or alternate-day SubQ for Neurogenesis research (preclinical).
Adamax: Not FDA approved. P21 (P021): Not FDA approved.
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