Melanotan 1 (MT1) for Research: High Purity Peptides VivePeptides MT1 (Melanotan 1): Structure and Emerging Research Applications Comparing Melanotan 1 and Melanotan 2 Peptides Core Peptides When it comes to tanning peptides, there are two main options: Melanotan 1 and Melanotan 2. Melanotan 1, also called afamelanotide, is FDA approved for a rare light sensitivity condition and works Emerging Threat: Melanotan, Repackaging, and Online Sales What is the difference between Melanotan 1 and Melanotan 2?_Chemicalbook