#melanocortins
3 pieces tagged melanocortins.
- The moleculesMelanotan II, PT-141 and afamelanotide: one parent, three analoguesAfamelanotide, Melanotan II and bremelanotide all descend from the 13-residue hormone alpha-MSH. Two became approved drugs; Melanotan II never did. Structures, lineage, FDA's own words on MT-II, and status as of September 2026.
- The moleculesHow to read a peptide sequenceThe one- and three-letter codes, which end is which, what Ac- and -NH2 mean, how D-residues, rings and lipids are written, and four worked examples from the catalog.
- Where the line isApproved, investigational, or neither: a status table for 27 peptidesOne table, three statuses. Which peptides have an FDA-approved product, which are in a sponsor's trial program, and which have neither, with the compounding category and WADA line for each, as of September 21, 2026.
Nothing here is medical advice. Everything on this site is supplied for laboratory research use only.