Compare · Melanocortin
PT-141 vs Setmelanotide
Both are melanocortin compounds. Here's how they line up on the evidence — graded the same way.
| PT-141 | Setmelanotide | |
|---|---|---|
| Evidence | 10/10 | 10/10 |
| Class | Melanocortin | Melanocortin |
| Summary | An FDA-approved melanocortin agonist for low sexual desire in premenopausal women. Two real Phase 3 trials show a small, genuine benefit for that one use; almost everything else people take it for is unstudied. | An FDA-approved peptide for a handful of rare genetic and acquired forms of severe obesity, with no credible evidence for general weight loss. |
| Full profile → | Full profile → |
PT-141
PT-141 (bremelanotide) is unusual for this corner of the world: it's an actual FDA-approved drug, sold under the name Vyleesi. But that approval covers only one narrow situation, and most of the reasons people reach for PT-141 fall well outside it. The science behind the approved use is solid and…
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…