Source comparison
Melanotan-2 Storage: Reconstituted vs Unreconstituted Comparison
Unreconstituted (lyophilised powder) −20°C to −10°C Up to 48 hours at 20–25°C 10–20% potency loss Safe to use if no colour change; minimal loss Reconstituted (mixed with bacteriostatic water) 2–8°C (refrigeration) Maximum 12 hours at 20–25°C 30–50% potency los
This comparison does not assign a generated winner or score.
- Unreconstituted (lyophilised powder)
- −20°C to −10°C
- Up to 48 hours at 20–25°C
- 10–20% potency loss
- Safe to use if no colour change; minimal loss
- Reconstituted (mixed with bacteriostatic water)
- 2–8°C (refrigeration)
- Maximum 12 hours at 20–25°C
- 30–50% potency loss
- High risk. Discard if left out overnight
- Unreconstituted, hot environment (30°C+)
- Less than 24 hours
- 25–40% potency loss
- Likely compromised. Discard if over 24h
- Reconstituted, hot environment (30°C+)
- Less than 6 hours
- 50–70% potency loss
- Discard immediately. Microbial risk elevated
- Unreconstituted, exposed to light
- 15–30% potency loss
- UV accelerates breakdown. Discard if discoloured
- Reconstituted, refrigerated correctly
- 28 days
- Minimal (<5%)
- Standard protocol. Safe within 28-day window