Melanotan II vs. PT-141
Head-to-head comparison based on the profiles in the PepCycle library.
| Attribute | Melanotan II | PT-141 |
|---|---|---|
| Class | Cosmetic Peptides | Metabolic Peptides |
| Description | A synthetic analog of alpha-melanocyte-stimulating hormone researched for tanning effects and other melanocortin-related properties. | A synthetic peptide derived from Melanotan II, researched for its effects on sexual function through central nervous system pathways. |
| Dose in studies | 0.25-0.5 mg per day during loading | 1-2 mg as needed (30-60 min before activity) |
| Frequency | Daily during loading, then weekly maintenance | As needed, at least 24h between doses |
| Half-life | ~1 hour | ~2-4 hours |
| Cycle length | 2-4 weeks loading, then maintenance as needed | As needed, no cycling required |
| Research level | 2/5 – Limited research | 4/5 – Well researched |
Melanotan II: full profile · PT-141: full profile
Values from research literature – not medical advice.