Melanotan II (MT-II)
Melanotan II (MT-II) is a melanin/libido peptide used in evidence-based, physician-supervised protocols. Use when both tanning AND libido effects are desired.
What is Melanotan II (MT-II)?
Non-selective melanocortin agonist — activates MC1R (melanin/tanning), MC3R (metabolism), MC4R (libido/erection). Potent tanning and sexual arousal effects simultaneously. Take 30 min before sun/UV exposure.
Uses & clinical decision logic
Use when both tanning AND libido effects are desired. More potent and less selective than Melanotan-1.
Melanotan II (MT-II) dosage & administration
| Vial size | BAC water | Dosing range | Units / dose | Frequency | Route |
|---|---|---|---|---|---|
| 10mg | 1mL | 500mcg-1mg | 5-10 units | Before tanning | SubQ |
Safety & contraindications
Nausea common (MC4R activation); spontaneous erections possible. Monitor skin lesions — activates all melanocytes including dysplastic ones. Yawning/stretching common side effect. Not for patients with atypical nevi without dermatology clearance.
Stacking & combinations
Do not combine with PT-141 (overlapping MC3R/MC4R) — additive side effects.
Related peptides
Frequently asked questions
What is Melanotan II (MT-II) used for?
Use when both tanning AND libido effects are desired. More potent and less selective than Melanotan-1.
What is the typical Melanotan II (MT-II) dosage?
Common dosing ranges from 500mcg-1mg (Before tanning, SubQ). Exact dosing is individualized and set by a licensed physician.
How is Melanotan II (MT-II) administered?
Melanotan II (MT-II) is typically administered via SubQ.
What are the contraindications for Melanotan II (MT-II)?
Nausea common (MC4R activation); spontaneous erections possible. Monitor skin lesions — activates all melanocytes including dysplastic ones. Yawning/stretching common side effect. Not for patients with atypical nevi without dermatology clearance.
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Build your protocol →This page is for educational purposes only and is not medical advice. Peptide therapies described here are provided under physician supervision through 503A compounding pharmacies. Many peptides are not FDA-approved for the uses described. Do not start, stop, or change any protocol without consulting a licensed physician.