Fertility
Research articles organized under Fertility.
November 1, 2026
PT-141 and Sexual Desire: What Research Reveals About Libido and Arousal
PT-141, also known as bremelanotide, has attracted scientific interest for its potential effects on sexual desire and arousal. Discover how this peptide interacts with the brain, what clinical studies reveal about libido in women and men, and where the research remains limited.
Read article →This article summarizes published third-party scientific literature — much of it conducted in cultured cells or animal models. It is not medical advice, not a therapeutic or performance claim, and not a usage guide. Peptide Purity USA products are sold strictly for in vitro laboratory research and are not for human or veterinary use. Read our content disclosures.