# Bremelanotide (Vyleesi) > Melanocortin receptor agonist for hypoactive sexual desire disorder in premenopausal women. Source: https://peptides.cafe/peptide/bremelanotide-vyleesi Category: Melanocortin Agonist · Sexual Health Tag: FDA-Approved · Sexual Health ## Mechanism Cyclic 7-amino-acid synthetic analog of α-MSH that activates melanocortin receptors (primarily MC4R) in the CNS, modulating sexual desire pathways. ## Research areas - Acquired, generalized hypoactive sexual desire disorder (HSDD) in premenopausal women ## Common research protocols - On-demand: 1.75 mg SC at least 45 minutes before anticipated sexual activity (max 1 dose/24h, 8/month). ## Study summaries - "RECONNECT trials" — Obstetrics & Gynecology (2019): Improved desire and reduced distress vs placebo in premenopausal HSDD. ## Considerations - FDA-approved. - Nausea, flushing, transient BP elevation common. ## Disclaimer Educational content only. Not medical advice, diagnosis, or treatment. Most research peptides are not FDA-approved for human therapeutic use. Consult a licensed clinician before any use.