Description
Melanotan II (MT‑2) is a synthetic melanocortin receptor agonist developed to stimulate the body’s pigment system. It is not FDA‑approved and has been sold online as a “research peptide.” MT‑2 is typically used with the goal of darkening skin (tanning) and, secondarily, for libido/erectile effects (its FDA‑approved descendant for sexual function is bremelanotide/PT‑141, not MT‑2). Products on the market vary in identity, purity, and sterility.






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