/ Side by side
PT-141 vs Melanotan II
A neutral, side-by-side look at PT-141 and Melanotan II: what each one is, its class, half-life, storage, and the public sources behind it. Educational reference only, not medical advice, dosing, or a recommendation to use either compound.
PT-141
Bremelanotide · Vyleesi
Full profile →Melanotan II
MT-2 · MT2
Full profile →| Attribute | PT-141 | Melanotan II |
|---|---|---|
| Category | Sexual / Hormonal | Sexual / Hormonal |
| Half-life | ~2.7 h terminal | ~1 h, subcutaneous |
| Common vial | 10 mg | 10 mg |
| Reference | Verified | Verified |
What is PT-141?
A synthetic melanocortin receptor agonist that acts on central pathways involved in sexual arousal. FDA-approved as Vyleesi and studied for hypoactive sexual desire disorder in premenopausal women.
Sources
- FDA label: Vyleesi (2019)
What is Melanotan II?
A synthetic cyclic analog of alpha-melanocyte-stimulating hormone acting as a non-selective melanocortin receptor agonist. Studied in relation to skin pigmentation and, via MC4R activation, sexual arousal. Not FDA-approved.
Sources
- ScienceDirect Topics: Melanotan II
- Peer-reviewed melanocortin pharmacology
Educational reference only, compiled from public sources. Not medical advice, diagnosis, treatment, or a dosing recommendation, and not a recommendation to use any compound. Many compounds listed are research materials not approved for human use. Consult a qualified professional.