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Tirzepatide: 15 mg vial with 3 mL water
Quick answer
Adding 3 mL of bacteriostatic water to a 15 mg Tirzepatide vial gives 5 mg/mL (5000 mcg/mL), so each unit on a U-100 insulin syringe holds 50 mcg. A 50 mcg dose is 1 units (0.01 mL), and the vial holds about 300 doses of that size.
Concentration
- Vial: 15 mg Tirzepatide
- Bacteriostatic water: 3 mL
- Concentration: 5 mg/mL (5000 mcg/mL)
- 1 unit on a U-100 syringe = 50 mcg
Tirzepatide dose to syringe units
| Dose | Syringe units (U-100) | Volume | Doses per vial |
|---|---|---|---|
| 2.5 mcg (protocol dose) | 0.1 units, too small to measure reliably | 0.001 mL | 6000 |
| 5 mcg (protocol dose) | 0.1 units, too small to measure reliably | 0.001 mL | 3000 |
| 7.5 mcg (protocol dose) | 0.2 units, too small to measure reliably | 0.002 mL | 2000 |
| 10 mcg (protocol dose) | 0.2 units, too small to measure reliably | 0.002 mL | 1500 |
| 50 mcg | 1 units | 0.01 mL | 300 |
| 100 mcg | 2 units | 0.02 mL | 150 |
| 200 mcg | 4 units | 0.04 mL | 75 |
| 250 mcg | 5 units | 0.05 mL | 60 |
Units on a U-100 insulin syringe (100 units = 1 mL).
Common questions
How many units is 50 mcg of Tirzepatide from a 15 mg vial with 3 mL water?
50 mcg is 1 units (0.01 mL) on a U-100 insulin syringe. With 3 mL of water in a 15 mg vial, each unit holds 50 mcg. For comparison: 100 mcg = 2 units, 200 mcg = 4 units, 250 mcg = 5 units.
What is the concentration of a 15 mg Tirzepatide vial mixed with 3 mL of water?
15 mg divided by 3 mL is 5 mg/mL, or 5000 mcg per mL. On a U-100 syringe (100 units = 1 mL) that is 50 mcg per unit.
How many 50 mcg doses are in a 15 mg vial?
About 300. The water volume changes how many units each dose takes, not how many doses the vial holds.
How much water should I add to a 15 mg Tirzepatide vial?
The Crestigen Tirzepatide protocol uses 2 mL. 3 mL works too as long as you calculate units for this concentration (5 mg/mL) and label the vial.
Other Tirzepatide vial and water combinations
- 15 mg vial + 1 mL water
- 15 mg vial + 2 mL water
- 15 mg vial + 3 mL water
Open this in the dosage calculator · Full Tirzepatide protocol, reconstitution and storage