Reviewed by The Peptide Dispatch Editorial Team · Last reviewed July 6, 2026
Melanotan I (MT1) is a tanning peptide, at the approved (eu) for epp stage in the published literature. Linear analog of alpha-MSH (afamelanotide) that promotes tanning. More selective for melanocortin-1 receptor than MT2.
Linear analog of alpha-MSH (afamelanotide) that promotes tanning. More selective for melanocortin-1 receptor than MT2.
| Research Status | Approved (EU) for EPP |
|---|---|
| Half-Life | ~1 hour |
| Administration | Subcutaneous injection |
| Doses Reported in Published Studies | 1 mg |
Selective MC1R agonist that stimulates melanin production without significant effects on other melanocortin receptors.
Linear analog of alpha-MSH (afamelanotide) that promotes tanning. More selective for melanocortin-1 receptor than MT2.
Selective MC1R agonist that stimulates melanin production without significant effects on other melanocortin receptors.
Melanotan I is at the following stage in the published literature: Approved (EU) for EPP. All information is for research and educational purposes only.
Reported half-life: ~1 hour.
Reported administration route in the literature: Subcutaneous injection. This is not a recommendation for human use.
Educational content, not medical advice. Effects described are drawn from cited research in study subjects.