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 PT 141 for Erectile Dysfunction: What the Evidence Shows and Practical Considerations PT 141 Peptide Therapy PT 141 Buy PT 141 Troches Boost Libido, Arousal & Satisfaction Fast PT 141 Peptide to Boost Libido and Sexual Arousal in Women