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Melanotan II (MT-II) – Synthetic Melanocortin Receptor Agonist for Pigmentation Research

Melanotan II (MT-II or Melanotan 2) is a synthetic cyclic heptapeptide analog of α-melanocyte-stimulating hormone (α-MSH). Developed as a potent research compound, it acts as a non-selective agonist of melanocortin receptors (primarily MC1, MC3, MC4, and MC5). Its primary mechanism involves stimulating melanocytes to increase eumelanin production, resulting in enhanced skin pigmentation (tanning).

Originally researched for potential photoprotective effects and as a tool for studying melanocortin pathways, Melanotan II has become widely investigated in the fields of pigmentation science, appetite regulation, and sexual function due to its broad receptor activity.

Key Research Areas & Potential Effects

• Skin Pigmentation & Tanning: Strongly activates MC1 receptors to promote melanin synthesis, leading to darker skin pigmentation even with minimal UV exposure. It is studied for its ability to induce a “sunless tan.”
• Appetite & Metabolic Effects: Activation of MC3 and MC4 receptors is associated with reduced appetite and potential influences on energy homeostasis.
• Sexual Function: Known for its effects on MC4 receptors, which have been linked to increased libido and spontaneous erections in research subjects.
• Other Melanocortin Pathways: Explored for roles in inflammation modulation, cardiovascular effects, and broader physiological responses due to its non-selective nature.

Melanotan II is typically studied via subcutaneous injection or nasal administration. It is highly potent, often requiring only low doses to produce noticeable effects in laboratory settings.

At Orlando Biogenics, we supply high-purity Melanotan II for laboratory and scientific research purposes. Our product is synthesized to exacting standards to support reliable and reproducible results in pigmentation, receptor, and neuroendocrine studies.

For Research Use Only. This product is sold strictly for in vitro and in vivo laboratory research purposes only. It is not intended for human consumption, medical use, diagnostic purposes, or any form of self-administration. Orlando Biogenics makes no claims regarding the therapeutic or medical efficacy of Melanotan II. All research involving this compound must be conducted in accordance with applicable local, state, and federal regulations.

Disclaimer: The information provided on this page is for educational and research purposes only and is not intended as medical advice. Melanotan II is an unlicensed research compound with limited long-term safety data. Reported side effects in studies and anecdotal reports may include nausea, flushing, facial redness, reduced appetite, yawning/stretching, spontaneous erections (in males), darkening of moles/freckles, and other pigmentary changes. More serious risks may include priapism or potential unknown effects on skin cancer risk. Always consult with a qualified healthcare professional or institutional review board before considering any use of research peptides. Orlando Biogenics assumes no liability for the misuse of this product.