PT-141 (Bremelanotide) is a cyclic melanocortin-receptor peptide, derived from the same family as Melanotan. It's studied for libido and arousal through central (brain) melanocortin signaling — a different mechanism from PDE5-type compounds that work on blood flow.
Because PT-141 acts centrally rather than on vasculature, it's often discussed as complementary to, not a replacement for, blood-flow-based approaches. It's typically sold as a lyophilized research powder for reconstitution — see how to reconstitute peptides.
PT-141 is a metabolite/relative of Melanotan II; both hit melanocortin receptors, but PT-141 is studied for arousal specifically while Melanotan II is studied for pigmentation. See Melanotan I vs II.
Melanocortin agonists can transiently affect blood pressure and cause nausea/flushing in research contexts. As with all these compounds, it's for laboratory research use only.
PT-141 is usually sold in 10 mg vials. PepsTracker compares it across all 26 vendors on cost-per-mg with codes applied. Platinum Peptides carries PT-141, 15% off with pepstracker15. Search "PT-141" on the homepage for live pricing.
PT-141 (Bremelanotide) is a melanocortin peptide studied for libido and arousal through central brain signaling rather than blood flow. It is sold for research use only.
PT-141 acts on the brain's melanocortin system, while PDE5-type compounds act on blood flow. The mechanisms are different, so they are often discussed as complementary rather than interchangeable.
Yes. PT-141 is related to Melanotan II; both act on melanocortin receptors, but PT-141 is studied for arousal while Melanotan II is studied for pigmentation.