The Dangers of Melanot*n II Explained Here's the part nobody explains when they're selling you the "Barbie drug.", Melanotan 2 is a synthetic peptide that mimics alpha MSH a hormone your body already makes to tell your skin cells to What is Melanotan II, the drug that consumers are urged to avoid? PT 141 FOR MEN: A NEW DRUG TO TREAT ERECTILE DYSFUNCTION AND LOW LIBIDO Urologist & Andrology Laboratory located in Great Neck, NY Bruce R Gilbert MD, PhD, PC Melanotan 2