Melanotan 1 vs Melanotan 2 Melanotan 1 vs. 2: My Summer Journey & Real Results Melanotan I vs II Which Tanning Peptide Is Safer and More Effective CDMO for Pharm & Bio Kilo Biotechnology 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 Melanotan 2: Day 6 , Another one hour in what minimal sun we had today. , No tanning beds, just sun. , Moved down to 50mcg before sun exposure, No more side effects :) , Before & before , Well see Melanotan 1 (10mg)