Melanotan II Peptide: Tanning, Immunity, and Metabolic Support Revolution Health & Wellness You're injecting what now?! We've been flooded with questions about injectable peptides, so here's the bottom line: I would not inject these into myself or anyone I care about. Note: This is 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 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