
Melanotan-1 (afamelanotide) is a synthetic analog of alpha-MSH that stimulates melanin production for photoprotection. FDA-approved for erythropoietic protoporphyria (EPP) as a subcutaneous implant. Community protocols extrapolate from this clinical data. This is not medical advice.
Quick Reference: Standard Protocol
| Parameter |
Detail |
| Dose |
250 mcg per injection |
| Route |
Subcutaneous injection |
| Timing |
AM |
| Frequency |
2 days/week (e.g., Mon/Thu) |
| Cycle |
8 weeks on, 8 weeks off |
| Vial size |
10 mg |
| Reconstitution |
2 mL BAC water (5,000 mcg/mL) |
| Draw amount |
5 units on insulin syringe |
| Storage |
Refrigerate, use within 28 days |
UV exposure required — 15-30 minutes daily during loading phase. MT-1 amplifies UV response rather than independently darkening skin.
For the full Melanotan-1 peptide profile and vendor pricing, see our Melanotan-1 peptide page.
Cycling Details
A two-phase approach mirrors the natural tanning process:
Loading (Weeks 1-4): 250 mcg twice weekly with daily UV exposure (15-30 minutes, gradually increasing). This builds baseline melanin and photoprotective capacity.
Maintenance (Weeks 5-8): Continue 250 mcg twice weekly or reduce to once weekly, with regular UV to maintain tan.
This protocol mimics the natural seasonal pattern — building protection in spring, maintaining through summer (Langendonk et al., 2015). Many users run seasonally: 8-12 weeks before summer, or 4-6 weeks pre-vacation.
Routes of Administration
Subcutaneous (standard): Abdomen or love handle area. Rotate sites. Use 29-31 gauge insulin syringe. Volume is typically 0.05 mL per injection. Morning injections preferred.
Subcutaneous implant (clinical only): FDA-approved 16 mg biodegradable implant every 60 days for EPP patients. Not available for community use.
Not effective: Oral (degraded by stomach acid), nasal (no protocols), topical (molecule too large).
Reconstitution Quick Reference

| Vial Size |
BAC Water |
Concentration |
250 mcg Dose |
| 10 mg |
2 mL |
5,000 mcg/mL |
5 units |
Math: 10,000 mcg / 2 mL = 5,000 mcg/mL. 250 mcg / 5,000 = 0.05 mL = 5 units. Swirl gently, refrigerate, protect from light, use within 28 days.
For step-by-step reconstitution instructions, see the BPC-157 reconstitution guide — same technique applies.
Where These Numbers Come From
Community dosing is extrapolated from FDA-approved clinical data and early trials.
Afamelanotide is FDA-approved for EPP at 16 mg subcutaneous implant every 60 days — roughly 2 mg/day of continuous release (Langendonk et al., 2015). Phase II trials in healthy volunteers used 0.16 mg/kg subcutaneous injections with dose-dependent skin darkening (Barnetson et al., 2006).
The community's 250 mcg twice weekly (0.5 mg/week, ~70 mcg/day equivalent) is conservative compared to clinical data (FDA implant ~14 mg/week). Lower community doses still work for melanogenesis when combined with UV exposure, while reducing side effects and preventing receptor desensitization.
Stacking Protocols
| Stack |
MT-1 Dose |
Partner |
Partner Dose |
Purpose |
| UV exposure |
250 mcg 2x/wk |
Gradual UV |
10-30 min/day |
Essential combination |
| Antioxidants |
250 mcg 2x/wk |
Astaxanthin + Vit C |
4-8 mg + 1000 mg |
Photoprotection support |
Do NOT stack with Melanotan-2 — adding MT-2 increases side effects without proportional benefits. MT-1's selectivity for MC1R is its advantage.
Side Effects & Safety
- Injection site redness — lasting 30-60 minutes, mild
- Mole/freckle darkening — gradual, may complicate skin cancer monitoring
- Mild fatigue — uncommon, on injection days
- Mild nausea — much less than MT-2
- No nausea/vomiting at standard doses (MT-1 doesn't significantly activate MC4R)
- No libido effects — limited CNS penetration unlike MT-2
- No appetite suppression — doesn't affect feeding centers
- Excessive UV caution — false confidence may lead to overexposure
Frequently Asked Questions
What is the standard Melanotan-1 dose?
250 mcg subcutaneously twice per week (e.g., Monday/Thursday) in the morning. Cycle 8 weeks on, 8 weeks off. Draw 5 units from a 10 mg vial with 2 mL BAC water.
Do I need UV exposure with Melanotan-1?
Yes — MT-1 amplifies melanin production in response to UV rather than independently darkening skin. Plan 15-30 minutes daily during loading.
How does Melanotan-1 compare to Melanotan-2?
MT-1 is more selective for MC1R — fewer side effects (no nausea, libido changes, or appetite suppression). Works more slowly and requires UV. MT-2 is more potent but has significant side effects. See our MT-1 vs MT-2 comparison.
How long should a Melanotan-1 cycle last?
8 weeks on, 8 weeks off. Loading takes 2-4 weeks, then maintenance through week 8. Many users run seasonally.
Is Melanotan-1 FDA-approved?
Yes, as afamelanotide for EPP — given as a 16 mg subcutaneous implant every 2 months. Community injection protocols extrapolate from this clinical data.
How do I reconstitute Melanotan-1?
Add 2 mL BAC water to a 10 mg vial (5,000 mcg/mL). 250 mcg = 5 units on insulin syringe. Swirl gently, refrigerate, use within 28 days.
References
| Citation |
Topic |
PMID |
| Langendonk et al., N Engl J Med (2015) |
Phase III EPP trial, 16 mg implant safety and efficacy |
25671236 |
| Barnetson et al., Br J Dermatol (2006) |
Phase II injection studies, 0.16 mg/kg dosing |
16865869 |
| Harms et al., J Am Acad Dermatol (2009) |
MC1R selectivity, mechanism differences from MT-2 |
19329230 |
| Grandi et al., Expert Opin Drug Deliv (2006) |
Pharmacokinetics and implant delivery system |
16952734 |
| Fabrikant et al., Dermatol Surg (2013) |
Melanocortin pathways and photoprotection mechanisms |
23205654 |
For educational and research purposes only. This is not medical advice. Consult healthcare providers before using any peptide protocol.