Retatrutide Reconstitution Calculator
The numbers below are pre-computed for a 10 mg vial of Retatrutide. Doses reported in the literature and in research protocols for Retatrutide sit around 4–12 mg (phase 3 arms), subcutaneous. Pep-Tidy does the arithmetic only — it is not medical or dosing advice.
How much water to add to a 10 mg Retatrutide vial
| Bacteriostatic water | Concentration | Per U-100 unit | Units for 2 mg |
|---|---|---|---|
| 1 mL | 10 mg/mL | 100 mcg | 20 units |
| 2 mL | 5 mg/mL | 50 mcg | 40 units |
| 3 mL | 3.33 mg/mL | 33.3 mcg | 60 units |
| 5 mL | 2 mg/mL | 20 mcg | 100 units |
Retatrutide units to draw at 2 mL
Reading a 10 mg vial reconstituted with 2 mL of bacteriostatic water on a U-100 insulin syringe.
| Dose | Volume | U-100 units | Doses per vial |
|---|---|---|---|
| 1 mg | 0.2 mL | 20 units | 10 |
| 2 mg | 0.4 mL | 40 units | 5 |
| 3 mg | 0.6 mL | 60 units | 3 |
| 4 mg | 0.8 mL | 80 units | 2 |
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.
Retatrutide reconstitution questions
How do you reconstitute Retatrutide?
A common starting point for a 10 mg vial of Retatrutide 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 Retatrutide is one dose?
At 5 mg per mL, that works out to about 40 units on a U-100 insulin syringe for a 2000 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 Retatrutide?
Published and community sources describe 4–12 mg (phase 3 arms), subcutaneous, once weekly, typically run 24 weeks on. These figures describe what has been reported, not what anyone should take — talk to a licensed clinician first.
How should Retatrutide be stored?
Lyophilized Retatrutide 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.