Description
Melanotan II (MT-II) is a synthetic analog of α-melanocyte-stimulating hormone (α-MSH). It has been studied for its effects on melanin production, pigmentation, appetite regulation, and melanocortin receptor signaling. Initial research into MT-II also led to investigations into its effects on sexual function after unexpected observations during early clinical studies.
Potential Areas of Research
Current research has explored Melanotan II for its potential to:
- Increase melanin production
- Support UV-induced skin pigmentation
- Investigate melanocortin receptor signaling
- Explore appetite regulation pathways
- Study mechanisms involved in sexual arousal and erectile physiology
Mechanism of Action
Melanotan II acts as a melanocortin receptor agonist, primarily stimulating receptors involved in melanin synthesis. Activation of these pathways increases melanin production within melanocytes, leading to increased pigmentation following UV exposure. Additional melanocortin receptor activity has been investigated in metabolic and neurological pathways.
Research Status
Melanotan II remains an investigational compound and is not approved by the U.S. FDA for tanning or cosmetic use. While clinical studies have demonstrated increased pigmentation, researchers continue to evaluate its long-term safety profile. Reported adverse effects have included nausea, facial flushing, spontaneous erections, and darkening of existing moles or freckles.
Product Information
- High-purity lyophilized peptide
- Manufactured under strict quality standards
- Intended for laboratory and research use


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