Low libido is more common than you thinkand it's not something you have to push through. PT 141 (also called bremelanotide) works differently than traditional sexual health medications by targeting the brain and 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 PT 141 Peptide to Boost Libido and Sexual Arousal in Women PT 141 Peptide R8 Virtual Health