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Semaglutide: 5 mg vial with 2 mL water
Quick answer
Adding 2 mL of bacteriostatic water to a 5 mg Semaglutide vial gives 2.5 mg/mL (2500 mcg/mL), so each unit on a U-100 insulin syringe holds 25 mcg. A 250 mcg dose is 10 units (0.1 mL), and the vial holds about 20 doses of that size.
Concentration
- Vial: 5 mg Semaglutide
- Bacteriostatic water: 2 mL (the volume in the Crestigen protocol)
- Concentration: 2.5 mg/mL (2500 mcg/mL)
- 1 unit on a U-100 syringe = 25 mcg
Semaglutide dose to syringe units
| Dose | Syringe units (U-100) | Volume | Doses per vial |
|---|---|---|---|
| 50 mcg | 2 units | 0.02 mL | 100 |
| 100 mcg | 4 units | 0.04 mL | 50 |
| 200 mcg | 8 units | 0.08 mL | 25 |
| 250 mcg (protocol dose) | 10 units | 0.1 mL | 20 |
| 300 mcg | 12 units | 0.12 mL | 16 |
| 500 mcg (protocol dose) | 20 units | 0.2 mL | 10 |
| 1 mg (protocol dose) | 40 units | 0.4 mL | 5 |
| 1.7 mg (protocol dose) | 68 units | 0.68 mL | 2 |
Units on a U-100 insulin syringe (100 units = 1 mL).
Common questions
How many units is 250 mcg of Semaglutide from a 5 mg vial with 2 mL water?
250 mcg is 10 units (0.1 mL) on a U-100 insulin syringe. With 2 mL of water in a 5 mg vial, each unit holds 25 mcg. For comparison: 500 mcg = 20 units, 1 mg = 40 units, 1.7 mg = 68 units.
What is the concentration of a 5 mg Semaglutide vial mixed with 2 mL of water?
5 mg divided by 2 mL is 2.5 mg/mL, or 2500 mcg per mL. On a U-100 syringe (100 units = 1 mL) that is 25 mcg per unit.
How many 250 mcg doses are in a 5 mg vial?
About 20. 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 5 mg Semaglutide vial?
2 mL is the volume used in the Crestigen Semaglutide protocol. More water makes each dose a larger, easier-to-measure number of units; less water keeps injections smaller.
Other Semaglutide vial and water combinations
- 5 mg vial + 1 mL water
- 5 mg vial + 2 mL water
- 5 mg vial + 3 mL water
Open this in the dosage calculator · Full Semaglutide protocol, reconstitution and storage