PT-141 Reconstitution Calculator
The numbers below are pre-computed for a 10 mg vial of PT-141. Doses reported in the literature and in research protocols for PT-141 sit around 1.75 mg (label dose), subcutaneous. Pep-Tidy does the arithmetic only — it is not medical or dosing advice.
How much water to add to a 10 mg PT-141 vial
| Bacteriostatic water | Concentration | Per U-100 unit | Units for 1.75 mg |
|---|---|---|---|
| 1 mL | 10 mg/mL | 100 mcg | 17.5 units |
| 2 mL | 5 mg/mL | 50 mcg | 35 units |
| 3 mL | 3.33 mg/mL | 33.3 mcg | 52.5 units |
| 5 mL | 2 mg/mL | 20 mcg | 87.5 units |
PT-141 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 |
|---|---|---|---|
| 875 mcg | 0.175 mL | 17.5 units | 11 |
| 1.75 mg | 0.35 mL | 35 units | 5 |
| 2.625 mg | 0.525 mL | 52.5 units | 3 |
| 3.5 mg | 0.7 mL | 70 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.
PT-141 reconstitution questions
How do you reconstitute PT-141?
A common starting point for a 10 mg vial of PT-141 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 PT-141 is one dose?
At 5 mg per mL, that works out to about 35 units on a U-100 insulin syringe for a 1750 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 PT-141?
Published and community sources describe 1.75 mg (label dose), subcutaneous, once weekly, typically run 12 weeks on. These figures describe what has been reported, not what anyone should take — talk to a licensed clinician first.
How should PT-141 be stored?
Lyophilized PT-141 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.