PT 141 10mg Bremelanotide Peptide Peptides World PT 141 (Bremelanotide) is a synthetic peptide developed from Melanotan 2 (MT II). PT 141 was recently approved for the treatment of HSDD (hypoactive sexual desire disorder) in women. PT 141 is a peptide that was Melanotan 2: Day 6 , Another one hour in what minimal sun we had today. , No tanning beds, just sun. , Moved down to 50mcg before sun exposure, No more side effects :) , Before & before , Well see MELANOTAN II (MT 2) VIAL, (10MG) High Purity Peptide Pure Bio Labs