Melanotan-2
MT-II, Ac-Nle-cyclo[Asp-His-D-Phe-Arg-Trp-Lys]-NH2
Melanotan-2 (MT-II) is a synthetic analog of alpha-melanocyte-stimulating hormone (α-MSH) that acts as a non-selective melanocortin receptor agonist. Originally developed for skin pigmentation research, it has also been investigated for erectile dysfunction. NOT FDA approved and carries significant safety warnings from health agencies worldwide due to serious adverse effects including potential melanoma risk.
Complete Dosing Guide
Storing Melanotan 2
Unreconstituted (Lyophilized Powder):
- Optimal Storage: Freezer at -20°C to -80°C (long-term storage)
- Alternative Storage: Refrigerator at 2°C to 8°C (36°F to 46°F)
- Room Temperature: Stable for up to 3 weeks (not recommended)
- Keep in original container or airtight vial.
- Protect from light - store in opaque container or wrap in foil.
- Keep desiccated (dry) - use desiccant packets if available.
- Shelf life: 2-3 years when frozen, 2 years when refrigerated.
Reconstituted Solution:
- Required Storage: Refrigerator at 2°C to 8°C (36°F to 46°F) - MANDATORY
- Shelf Life: 28-30 days after reconstitution (some sources suggest up to 6 weeks)
- Label vial with reconstitution date.
- Store away from direct light (wrap in foil or use amber vial).
- Do not freeze reconstituted solution.
- Discard if solution becomes cloudy, discolored, or contains particles.
- Use bacteriostatic water for longer shelf life (vs sterile water).
Travel Considerations:
- Use insulated travel cases with ice packs or gel packs.
- Keep temperature below 8°C (46°F) during transport.
- Do not store in checked luggage on flights (temperature fluctuations).
- Carry prescription documentation if available.
- Consider carrying ice packs and replacing as needed.
- Reconstituted vials should not be left at room temperature >2 hours.
Multi-Use Vial Safety:
- Always use sterile technique when accessing vials.
- Clean rubber stopper with alcohol before each use.
- Never reuse needles or syringes.
- Risk of bacterial contamination increases with multiple punctures.
- Consider single-use vials if available to minimize contamination risk.
Medical Disclaimer
CRITICAL WARNING: Melanotan-2 is NOT approved by the FDA or any major regulatory agency for human use. Health authorities worldwide have issued warnings against its use due to serious safety risks including potential melanoma, priapism, rhabdomyolysis, and systemic toxicity. This information is for educational and research purposes only. Any use requires medical supervision and carries significant legal and health risks. Consult healthcare providers for approved alternatives.