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 | Strong human | Strong human |
| 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 one of the few compounds discussed in this space that is actually an FDA-approved drug, sold as Vyleesi. That approval is narrow, and most of the ways people use PT-141 fall well outside it. The evidence behind the approved use is real and well-run; the evidence behind…
Setmelanotide
Setmelanotide, sold as Imcivree, is a prescription peptide for a handful of rare, well-defined forms of severe obesity. Within those narrow conditions the evidence is genuinely strong. Outside them — for general weight loss, fat loss, or "metabolism" boosting in people without these disorders —…