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A melanocortin receptor agonist approved for acquired, generalized low sexual desire in premenopausal women.

Key takeaway

Bremelanotide activates melanocortin receptors in the brain involved in sexual desire. It is a cyclic peptide related to alpha-MSH.

At a glance

FDA statusIn an FDA-approved drug
503A compoundingEligible for 503A compounding (component of an approved drug)
Body areasSexual & reproductive health, Brain, mood & sleep
Through ScriptMatesPrescribable by licensed providers
Open questionsNone noted

What is Bremelanotide (PT-141)?

Bremelanotide activates melanocortin receptors in the brain involved in sexual desire. It is a cyclic peptide related to alpha-MSH.

It is the active ingredient of FDA-approved Vyleesi, an injection for hypoactive sexual desire disorder in premenopausal women.

Dosage forms

FDA-approved Vyleesi is a solution for subcutaneous injection in a prefilled autoinjector. Compounded preparations are not FDA-approved.

Is Bremelanotide (PT-141) FDA-approved?

Active ingredient of FDA-approved Vyleesi. Compounded bremelanotide is not itself FDA-approved.

Can it be prescribed through ScriptMates?

Eligible for 503A compounding (component of an approved drug). A 503A partner pharmacy lists this peptide, and it has a lawful 503A compounding pathway.

Sources

  1. Drugs@FDA: Vyleesi (bremelanotide)
  2. FDA: Bulk drug substances used in compounding under section 503A

Checked October 27, 2026. FDA updates these pages, so confirm before relying on them.