MELANOTAN 2 VIAL High Purity 10mg Peptide for Research Pure Bio Labs MD breaking down Melanotan II Part 2 of my peptide series. The research, the risks, the reality. Long term safety data? Nonexistent. Melanotan II Erectile Dysfunction: What the Evidence Shows and Practical Considerations 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