Human — observational

A glimpse into the underground market of melanotan

Melanotan-I and melanotan-II are alpha-melanocyte stimulating hormone (a-MSH) analogues that can be purchased illicitly online with relative ease and are injected subcutaneously to stimulate a tan. Little is known about the use of these unregulated substances. An observational survey was posted to an online forum in which participants share their experiences using melanotan-I or melanotan-II. Users were asked to complete this voluntary, anonymous survey, which had questions f…

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Melanotan II
What the research on Melanotan II actually shows
The indexed literature on Melanotan II includes human clinical or observational records (5 human-clinical or observational records). This digest describes the shape of that evidence and links the records behind it. It does not judge whether Melanotan II is safe or effective for any purpose, and nothing here is medical advice — the material sold by the vendors in this index is labeled for laboratory research use only.

Compounds examined

Melanotan II

Study records state what a paper reported. PepIndex does not interpret findings, assess clinical significance, or restate results in language implying an application not present in the source. Last reviewed 23 Jul 2026.