Melanotan II (MT-2) is a synthetic analog of alpha-melanocyte–stimulating hormone (α-MSH) designed to activate multiple receptors within the melanocortin system, thereby influencing pigmentation, appetite regulation, and sexual function through a unified set of neuroendocrine pathways. As a non-selective agonist of melanocortin receptors MC1R, MC3R, MC4R, and MC5R, MT-2 exerts diverse biological effects across peripheral tissues and the central nervous system. Activation of MC1R on cutaneous melanocytes enhances melanin synthesis, deepening skin pigmentation by upregulating eumelanin production and promoting a tanning response independent of ultraviolet exposure. In the brain, stimulation of MC3R and MC4R modulates hypothalamic circuits involved in appetite control, producing anorexigenic effects that can reduce caloric intake and influence body weight. These same central receptors are also implicated in sexual arousal and erectile physiology, with MT-2 shown in research settings to increase libido and induce spontaneous erections through modulation of neurovascular pathways related to sexual behavior. The compound’s broad receptor profile explains its multi-system activity and has made it a target of ongoing investigation into melanocortin-mediated regulation of pigmentation, metabolism, and reproductive function, as well as the underlying neural mechanisms integrating these processes.

Due to the nature of research peptides and chemicals, all sales are final.

However, we offer replacement options in limited cases. Please refer to our Refund Policy for more information.

Processing time: 1–3 business days.
During high-volume periods, processing may take longer.

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Ingredients: Melanontan II 10mg

Type: Alpha-MSH analog

Form: Nasal spray aerosol

Purity: ≥99% (HPLC)

Storage: Store at 2–8 °C, protected from light and moisture

For research purposes only.