PT 141 Peptide: The Libido Drug for Men and Women Peptide Dosing Chart Alpha Rejuvenation Tanner Tattered discusses melanotan 2 and its potential effects on autism, citing Clavicular as an example of someone whose behavior may have changed while using the compound. >> More below Melanotan 2: The Best Peptide for Tanning Jay Campbell Double blind, placebo controlled evaluation of the safety, pharmacokinetic properties and pharmacodynamic effects of intranasal PT 141, a melanocortin receptor agonist, in healthy males and patients with mild to moderate erectile dysfunction