Imagine just wanting to be jacked and tan and you end up like this? Melanotan II is a peptide that increases the melanin in your skin and can give men a boner that Melanotan 2 Day 4: Whacky Side Effects. , I am cutting back from daily use and probably using once a week from here on out. , Zero appetite, Fatigue, And what I think was sleep paralysis , And yes Melanotan II Nasal Spray for Research Continental Peptides Using Melanotan to Prevent Polymorphous Light Eruption aka SUN POISONING Natural Kaos