Your body already makes a hormone that tells your skin to tan. Melanotan 2 is a synthetic peptide engineered to mimic that hormone but in a version that's more potent and Melanotan 2 Dosing Calculator: Reconstitution To ML Draw Melatonin Spray Evexias Medical Center What is Melanotan II, the drug that consumers are urged to avoid? MT II or tanning beds??? #health #wellness #peptide #tanning #science