PT 141 (Bremelanotide): How It Works For Sexual Arousal, PT 141 is discussed for sexual dysfunction in both men and women. Unlike blood flow focused approaches, it works centrally by modulating This guy injected himself with a drug called Melatonan II for 5 months. Here's his before after. : r pics Bremelanotide Acetate (PT 141 Acetate) Melanocortin Receptor Agonist MedChemExpress 2 (Melanotan II) SP . Peptide for Erectile Dysfunction: Exploring PT 141 and Other Options The Potential Benefits of PT141 for Sexual Health LivvNatural