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#022HormoneInjectable

PT-141

Symbol Pt · MW 1025 Da

Educational onlyNot medical adviceSource links included

Melanocortin agonist studied for sexual response and libido.

Discovered
2000
Half-life
3 hours
Approval
FDA-approved (Vyleesi)

Reported effects

  • Libido support
  • CNS-mediated
  • Sexual function

Overview

PT-141, also known as Bremelanotide, is a melanocortin receptor agonist used for sexual desire and arousal-related support. Unlike medications that primarily affect blood flow, PT-141 works through central nervous system pathways involved in sexual response. It is commonly discussed for libido, sexual function, arousal, and hormone-related wellness. Bremelanotide is medically approved for specific cases of hypoactive sexual desire disorder in premenopausal women. Its purpose is to support sexual desire through melanocortin signaling rather than through testosterone replacement or vascular stimulation.

How it's taken

Injectable
Typical Administration
Injectable
Typical Dosage
1.75 mg
Typical Frequency
As needed, at least 45 minutes before anticipated sexual activity; maximum once per 24 hours and no more than 8 doses per month

Research sources

Source links included from peer-reviewed literature and trusted medical journal records for this peptide.

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For educational purposes only. Many peptides shown are research compounds and not approved for human use in all jurisdictions.