Melanotan II
MT-2 · MTII
Non-selective melanocortin agonist. High-risk tanning peptide.
A cyclic melanocortin agonist that darkens skin, often increases libido, and commonly causes nausea. Associated with atypical moles, blood-pressure effects, and unregulated underground use. PT-141 was developed as a related, more targeted molecule.
Usual range
125–500 mcg
Schedule
Daily loading, then 1–2× weekly maintenance
Half-life
Hours to a day
How it is used
Non-selective melanocortin agonist. High-risk tanning peptide.
Subcutaneous
Evening loading (nausea). Never combine with intentional burning UV.
If used at all: short loading then infrequent maintenance. Stop for new or changing moles.
How to mix this vial
Typical vial 10 mg · 2 mL BAC
10 mg + 2 mL → 5 mg/mL. 250 mcg = 5 units. Start at the floor.
Fridge. Protect from light.
Side effects
- Nausea and yawning
- Flushing
- Spontaneous erections
- Freckling / new moles
- Hyperpigmentation of gums and nails
- Blood pressure changes
Who should skip this
- Personal/family melanoma or dysplastic nevus syndrome
- Uncontrolled hypertension
- Pregnancy
Nutrition note
Dose on a light stomach. This peptide is not a nutrition strategy.
Not approved. Multiple case reports of melanoma and dysplastic nevi in users. Listed so the risk is explicit.
Peptipedia is an educational calculator, not medical advice. Many catalog entries are unapproved for human use. Approved molecules have labels that outrank this app. Do not use this to self-prescribe. Consult a licensed clinician. Not for anyone under 18, pregnant, or being treated for cancer.