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Melanotan II Reconstitution Calculator

The numbers below are pre-computed for a 10 mg vial of Melanotan II. Doses reported in the literature and in research protocols for Melanotan II sit around 0.25–1 mg, subcutaneous. Pep-Tidy does the arithmetic only — it is not medical or dosing advice.

How much water to add to a 10 mg Melanotan II vial

Bacteriostatic waterConcentrationPer U-100 unitUnits for 250 mcg
1 mL10 mg/mL100 mcg2.5 units
2 mL5 mg/mL50 mcg5 units
3 mL3.33 mg/mL33.3 mcg7.5 units
5 mL2 mg/mL20 mcg12.5 units

Melanotan II units to draw at 2 mL

Reading a 10 mg vial reconstituted with 2 mL of bacteriostatic water on a U-100 insulin syringe.

DoseVolumeU-100 unitsDoses per vial
125 mcg0.025 mL2.5 units80
250 mcg0.05 mL5 units40
375 mcg0.075 mL7.5 units26
500 mcg0.1 mL10 units20

Mixing and storage notes

  • Aim the water down the inside wall of the vial, never straight onto the powder, and let it dissolve without shaking.
  • Keep lyophilized vials at 2–8 °C and out of light; reconstituted vials are refrigerated and commonly discarded after about 28 days.
  • Full walkthrough: how to reconstitute peptides step by step.

Melanotan II reconstitution questions

How do you reconstitute Melanotan II?

A common starting point for a 10 mg vial of Melanotan II is 2 mL of bacteriostatic water, which gives 5 mg per mL. Aim the water down the inside wall of the vial, let it dissolve on its own, and roll gently instead of shaking. Pep-Tidy's reconstitution calculator will recalculate the numbers for any other vial size or water volume you use.

How many units of Melanotan II is one dose?

At 5 mg per mL, that works out to about 5 units on a U-100 insulin syringe for a 250 mcg dose. Change the vial size, water volume, or target dose in the calculator and the syringe reading updates with it. This is arithmetic, not a dosing recommendation.

What dosing schedule is reported for Melanotan II?

Published and community sources describe 0.25–1 mg, subcutaneous, every day, typically run 2 weeks on and 2 weeks off. These figures describe what has been reported, not what anyone should take — talk to a licensed clinician first.

How should Melanotan II be stored?

Lyophilized Melanotan II vials are generally kept at 2–8 °C and out of light. Once reconstituted with bacteriostatic water they are refrigerated and commonly discarded after about 28 days. Never re-freeze a reconstituted vial and never shake it.