PT 141 (Bremelanotide) is the part of the Melanotan II peptide chain that has been shown in research to be responsible for the sexual stimulation properties of MT II

Bremelanotide - PT141 has also been referred to as simply, PT-141, which has been generated to address erectile dysfunction or impotence in men. The interesting aspect of this peptide is that it was also developed to assist women who experience sexual arousal disorder. Researchers have found that PT 141 is active in both sexes. Lyopholized powder, 10mg -  1 vial