Paradigm Peptides manufactures PT-141 for sale at the highest quality and potency available. PT-141, or bremelanotide as referred to by researchers, is a peptide capable of treating low sexual desire in men and women. However, it is more commonly used in women that suffer from HSDD (hypoactive sexual desire disorder). Researchers have found that in order to work properly, bremelanotide, or PT-141 should be administered 45 minutes prior to sexual activity. It is also recommended that no more than 8 doses be used within a month’s time with each dose being separated by 24 hours minimum.