Independent reference & toolkit 100 compounds graded · Last reviewed June 2026

Compare · Melanocortin

Afamelanotide vs Setmelanotide

Both are melanocortin compounds. Here's how they line up on the evidence — graded the same way.

AfamelanotideSetmelanotide
Evidence 9/10 10/10
ClassMelanocortinMelanocortin
SummaryAfamelanotide is an FDA- and EMA-approved implant for a rare light-sensitivity disease. The trial evidence is real but modest, and it is not the gray-market tanning drug.An FDA-approved peptide for a handful of rare genetic and acquired forms of severe obesity, with no credible evidence for general weight loss.
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Afamelanotide

Afamelanotide stands out in the "melanotan" family because it is an actual approved medicine, not a gray-market product. Sold under the brand name Scenesse, it is a drug that a doctor implants under the skin to treat a rare inherited disease that makes people extremely sensitive to light. That…

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Setmelanotide

Setmelanotide, sold as Imcivree, is a prescription peptide used to treat a small number of rare, clearly defined forms of severe obesity. For those specific conditions, the evidence is genuinely strong. But step outside them — to general weight loss, fat loss, or "speeding up your metabolism" in…

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