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For research use only. Not for human or veterinary use. Not a drug, food, or dietary supplement.
Cycle-length evidence

Melanotan I cycle length: what human studies ran

Not approved — research use only
Short answer: there is no established Melanotan I cycle length, and we found no human studies that report one.

Treatment and follow-up in human studies

No human study durations are recorded.

What has not been tested

  • On-and-off schedules or breaks between courses.
  • Repeated courses and long-term exposure beyond the periods listed.
  • Melanotan I combined with other compounds, unless a study above says so.

Frequently asked questions

Is there an established Melanotan I cycle length?
No. We found no human studies that report a treatment duration for Melanotan I.
What is the longest human study of Melanotan I?
None is recorded.
Do study durations tell me how long to use something?
No. A study duration is how long investigators administered a compound to selected participants under monitoring. It is not a recommended course, and a break between courses has not been tested for any compound on this site that is not approved.

References

  1. SCENESSE (afamelanotide) implant, for subcutaneous use. Prescribing information, CLINUVEL Inc. (SPL published May 13, 2026) DailyMed (FDA label). 2026
  2. Drugs@FDA application record for SCENESSE (afamelanotide), NDA 210797, original approval 8 October 2019 openFDA / Drugs@FDA. 2026
  3. Scenesse (afamelanotide): EPAR, medicine overview (authorised 22 December 2014 under exceptional circumstances) European Medicines Agency. 2026
  4. Afamelanotide for Erythropoietic Protoporphyria N Engl J Med. 2015