Side-by-side comparison: effects, dosing ranges, side effects, regulatory status, and reconstitution.
Peptide A
Healing & Recovery
Anti-inflammatory tripeptide derived from alpha-melanocyte stimulating hormone.
Peptide B
Healing & Recovery
Synthetic fragment of Thymosin Beta-4 with potent tissue repair activity.
Typical vial
5 mg
Typical dose
200-500 mcg
Half-life
~15-30 minutes (short half-life typical of small peptides)
FDA status
Not FDA approved for human use.
Typical vial
5 mg
Typical dose
2000-5000 mcg
Half-life
~6-8 hours
FDA status
Not FDA approved for human use.
KPV effects
TB-500 effects
KPV side effects
TB-500 side effects
KPV dosing ranges
Gut inflammation support
200-500 mcg · Once or twice daily (oral or SubQ) · 4-8 weeks
Systemic anti-inflammatory
200-500 mcg · Once daily (SubQ) · 4-6 weeks
TB-500 dosing ranges
Acute injury healing
2000-5000 mcg · Twice weekly · 4-6 weeks
Maintenance and recovery
2000 mcg · Once weekly · 4-8 weeks
KPV: Anti-inflammatory tripeptide derived from alpha-melanocyte stimulating hormone. Typical dose 200-500 mcg. TB-500: Synthetic fragment of Thymosin Beta-4 with potent tissue repair activity. Typical dose 2000-5000 mcg. Both fall under the Healing & Recovery category.
Stacking KPV with TB-500 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.
KPV is typically dosed: Once or twice daily (oral or SubQ) for Gut inflammation support; Once daily (SubQ) for Systemic anti-inflammatory. TB-500 is typically dosed: Twice weekly for Acute injury healing; Once weekly for Maintenance and recovery.
KPV: Not FDA approved for human use. TB-500: Not FDA approved for human use.
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