Key Takeaway
How to store Melanotan II correctly. Covers lyophilized and reconstituted storage temperatures, shelf life, light protection, and signs of degradation.
Quick Answer: Melanotan II storage instructions differ by form. Lyophilized (freeze-dried) powder stores in a freezer at -4°F (-20°C) for up to 24 months or in a refrigerator for up to 6 months. Reconstituted solution stores in the refrigerator at 36-46°F (2-8°C) and must be used within 28 days. Protect from light and avoid temperature fluctuations .
Storage by Form
| Form | Temperature | Shelf Life | Light | Key Notes |
|---|---|---|---|---|
| Lyophilized (frozen) | -4°F (-20°C) | Up to 24 months | Dark | Most stable form |
| Lyophilized (refrigerated) | 36-46°F (2-8°C) | Up to 6 months | Dark | Acceptable for near-term use |
| Reconstituted | 36-46°F (2-8°C) | 28 days maximum | Dark | Don't freeze. use BAC water |
Best Practices
- Keep unopened vials frozen until ready to reconstitute. Transfer to refrigerator 30 minutes before mixing.
- Store reconstituted vials in the back of the fridge, not the door (which has temperature swings).
- Minimize time out of the fridge: Draw your dose quickly (under 2 minutes) and return the vial immediately.
- Protect from light: Keep in original packaging or wrap in aluminum foil. UV and visible light degrade peptides .
- Label every vial with the reconstitution date.
- Never refreeze a vial that has been reconstituted or previously thawed from frozen.
Signs of Degradation
Discard your Melanotan II if you observe:
From the FormBlends catalog
Melanotan II
Melanocortin peptide for UV-free skin pigmentation · From $29/mo · compounded by a licensed 503A pharmacy, dispensed only after provider review.
Learn about Melanotan II →
- Cloudiness or turbidity in the reconstituted solution
- Visible particles or floating material
- Color change (should be clear and colorless)
- Unusual odor
- Solution was left at room temperature for more than 4 hours
- More than 28 days since reconstitution
Traveling with Melanotan II
Use an insulated medication travel case with gel ice packs. Carry in carry-on luggage with prescription documentation. For trips longer than a few days, bring unreconstituted vials and BAC water separately, then reconstitute at your destination.
Frequently Asked Questions
What if my Melanotan II was left out overnight?
If reconstituted Melanotan II was at room temperature for more than 4 hours, potency may be reduced. A single brief exposure is unlikely to cause complete degradation, but repeated incidents compromise the product. When in doubt, discard.
Can I store Melanotan II in a mini fridge?
Yes, if it maintains consistent 36-46°F temperatures. Use a thermometer to verify. Some mini fridges have wide temperature swings.
How do I know if lyophilized Melanotan II has degraded?
Lyophilized Melanotan II should appear as a white to off-white powder or compressed cake. Yellowing, wet appearance, or clumping suggests moisture exposure or degradation.
Receive Properly Shipped Peptides
FormBlends partner pharmacies ship Melanotan II with appropriate cold-chain packaging. Proper storage starts with proper shipping.
Disclaimer: This article is for informational purposes only and doesn't constitute medical advice. Melanotan II isn't FDA-approved for any medical condition. Always consult with a licensed healthcare provider before beginning any peptide therapy. Individual results may vary.
Ready when you are
Melanotan II
Melanocortin peptide for UV-free skin pigmentation · From $29/mo · compounded by a licensed 503A pharmacy, dispensed only after provider review.
Learn about Melanotan II →