First, I did a blood test
Melanocortins in research: complete guide to Melanotan II, PT-141 bremelanotide, afamelanotide and MC1R-MC5R receptors The melanocortin system is a central and peripheral neuroendocrine network formed by five G protein-coupled receptors (MC1R through MC5R), their endogenous ligands derived from proopiomelanocortin (POMC) alpha-MSH, beta-MSH, gamma-MSH, ACTH and their natural antagonists agouti (ASIP) and AgRP
The class spans six FDA-approved molecules with meaningfully different half-lives, delivery routes, and receptor-selectivity profiles
Histidine has a chemical side chain that forms a stable bond with copper ions, allowing the peptide to carry copper into cells without it becoming toxic or reactive in the process
The immediate fallout was stark: HIMS shares plunged nearly 20% on February 9, 2026, dropping to $19.33 within a single trading day, and currently trade at $15.63