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Melanotan II

Sexual HealthResearch Use Only

Also known as: MT-II, MT2

A tanning peptide that darkens skin through melanin; also raises libido. Load daily, then maintain weekly.

Dosing quick reference

research reference
Starting dose
250 mcg once daily
Frequency
Daily while loading, then 1–2× weekly
Typical range
250–1,000 mcg per day (loading)
Cycle
6–8 week loading phase, then maintenance
Titration (step-up)
Wk 1: 250 → Wk 2: 500 → Wk 3: 750 → Wk 4+: 1,000 mcg
Half-life
~1-2 hours
Route
Subcutaneous (research)
Common use
Pigmentation and arousal pathway research
Common vial sizes
10 mg
Storage
Store lyophilized powder frozen or refrigerated; reconstituted solution refrigerated at 2-8°C and used within a few weeks.
Stacking notes
Because of reported darkening of moles and increased nevi, skin monitoring is frequently discussed in research literature.

Reported side effects

NauseaFacial flushingPhotosensitivityDarkening of existing moles and new nevi formationAppetite changes
Calculate a dose →Melanotan II on The Peptide Guide →Deeper research reference: literature dose ranges, storage and handling, and where to source in Canada.

Dose figures are ranges commonly referenced in research literature, not recommendations or medical advice. Research-only labeling does not establish that a substance is safe, approved or appropriate for personal use. Consult a qualified healthcare professional about health decisions.