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 reports86 firsthand reports (83.7% positive). Most reported: Skin tanning & pigmentation (44), Libido & sexual function (25), Appetite suppression & weight loss (17).114 firsthand reports (72.8% positive). Most reported: Male erectile dysfunction & libido (57), General sexual enhancement (39), Female sexual dysfunction (HSDD/FSAD) (18).
Live pricingFrom $0.05/mg across 243 vendors. Compare prices →From $0.30/mg across 257 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 $0.05/mg across 243 vendors, versus PT-141 from $0.30/mg across 257 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.