Melanotan-1 (MT-1)Melanocortin PeptideSafety Rating 8/10

TypeSynthetic linear peptide
CAS75921-69-6
MW1,646.8 g/mol
AAs13
Primary research areaMelanocortin / photoprotection research

Research-literature reference data, NOT patient instructions. Not for human use. Consult a licensed clinician for any human application.

Research dose range16 mg SC implant every 2 monthssource ↗
AdministrationSubcutaneous implant (superior iliac crest)
Half-lifeReleased over ~2 days from implant
Safety8/10 · FDA-approved (Scenesse)
NCAA D1Not listed

Price Comparison

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11 vendors competing

VendorPrice$ / mgUpdated
Ascension PeptidesBest $/mgCOA ✓ · 3P$20.00$40.00−50% · code peptidepri$2.00Apr 16, 2026Buy →
Amino ClubCOA ✓ · 3P$23.99$29.99−20% · code PEPTIDEPRICES$2.40May 14, 2026Buy →
Axiom PeptidesCOA on request$25.00$2.50Apr 14, 2026Buy →
Puratek PeptidesCOA ✓ · 3P$25.16$27.95−10% · code PEPTIDEPRICES$2.52May 19, 2026Buy →
SomaChemsCOA ✓ · 3P$31.99$39.99−20% · code PEPTIDEPRICES$3.20May 14, 2026Buy →

Overview

About Melanotan-1

Mechanism of action

Non-selective melanocortin receptor agonist (MC1R preference); stimulates eumelanin production in melanocytes; photoprotective; FDA-approved for erythropoietic protoporphyria (EPP).

Safety profile

Nausea, facial flushing, fatigue, spontaneous erections. Less sexual side effects than MT-2. Hyperpigmentation, mole changes. · FDA/EMA approved for EPP; nausea, headache mild; selective MC1R agonist; well-studied

Storage

Stability & handling

❄️Lyophilized (powder)2–8°Cstable for years
💉Reconstituted2–8°Cwithin 30 days
📈

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Research

Studies & key findings

  • FDA-approved as afamelanotide (Scenesse) for erythropoietic protoporphyria (EPP) — the first melanocortin agonist to receive regulatory approval anywhere in the world.
  • NEJM Phase 3 RCT (2015) demonstrated a significant increase in pain-free time in sunlight (duration doubled vs placebo) in EPP patients.

5 peer-reviewed sources cited — clinical, preclinical, and regulatory.

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