Melanotan II vs PT-141

Side-by-side from the data we track independently: what each compound is, how it's typically dosed, what the community reports, and what it actually costs from live vendor offers. Full evidence lives on each peptide's page.

Melanotan IIPT-141
What it isSynthetic melanocortin peptide. Stimulates melanogenesis (tanning) and has libido-enhancing effects.Melanocortin receptor agonist. FDA-approved as Vyleesi for female HSDD. Used off-label for male erectile dysfunction.
Categoryskinsexual
Typical dose
Half-life~1h~2h
Community reports75 firsthand reports (82.7% positive). Most reported: Skin tanning & pigmentation (34), Libido & sexual function (24), Appetite suppression & weight loss (17).103 firsthand reports (72.8% positive). Most reported: Male erectile dysfunction & libido (52), General sexual enhancement (36), Female sexual dysfunction (HSDD/FSAD) (15).
Live pricingFrom $0.10/mg across 274 vendors. Compare prices →From $0.30/mg across 286 vendors. Compare prices →

Common questions

Which is cheaper per mg, Melanotan II or PT-141?

On live captured offers, Melanotan II is currently cheaper per mg: from $0.10/mg across 274 vendors, versus PT-141 from $0.30/mg across 286 vendors (USD-converted; prices change between sweeps).

Community counts reflect substantiated, linkable reports only. Prices are captured from vendor catalogues and change between sweeps. Research use only — nothing here is medical advice.