Licensed use — if any
No authorised tanning, libido or erectile-dysfunction indication is established. It is not the same as the regulated afamelanotide implant.
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Synthetic melanocortin analogue
Melanotan II
An unapproved melanocortin analogue promoted online for tanning and sexual effects, often through products with uncertain identity and purity.
Research interest
Melanocortin signalling, pigmentation and sexual-function observations, without an approved consumer product.
Evidence lens
Known does not mean proven for everything.
The strongest claim on the page should never be stronger than the strongest source behind it.
- No regulated cosmetic tanning indication exists.
- FDA's safety-risk summary cites serious published case reports.
- Online vial presentation adds identity, sterility and dosing uncertainty.
- A reliable long-term cancer and cardiovascular risk profile.
- Actual composition of grey-market products.
- Safety of repeated or combined use.
- FDA cites case reports including melanoma, posterior reversible encephalopathy syndrome, sympathomimetic toxidrome and priapism.
- Aggregation, immunogenicity and peptide impurities are additional concerns.
- Changing moles or persistent erections require urgent medical assessment.
Regulatory snapshot
Jurisdiction and context matter.
Not presented as a UK-authorised medicine or cosmetic tanning product. Suspect online medicine sales can be reported to MHRA.
Not FDA approved; listed by FDA among bulk substances presenting significant safety concerns.
No sporting clearance is implied. Check the current WADA list and exact product.
Primary sources
Open the record.
Statuses change. Always check the current regulator, product label, trial record and anti-doping list.
Do not start, stop or source a medicine based on this page. Speak to a qualified healthcare professional and use regulated supply routes. Call 999 in an emergency or NHS 111 for urgent advice.
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