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Tesamorelin: 5 mg vial with 2.5 mL water
Quick answer
Adding 2.5 mL of bacteriostatic water to a 5 mg Tesamorelin vial gives 2 mg/mL (2000 mcg/mL), so each unit on a U-100 insulin syringe holds 20 mcg. A 50 mcg dose is 2.5 units (0.025 mL), and the vial holds about 100 doses of that size.
Concentration
- Vial: 5 mg Tesamorelin
- Bacteriostatic water: 2.5 mL (the volume in the Crestigen protocol)
- Concentration: 2 mg/mL (2000 mcg/mL)
- 1 unit on a U-100 syringe = 20 mcg
Tesamorelin dose to syringe units
| Dose | Syringe units (U-100) | Volume | Doses per vial |
|---|---|---|---|
| 1 mcg (protocol dose) | 0.1 units, too small to measure reliably | 0.001 mL | 5000 |
| 2 mcg (protocol dose) | 0.1 units, too small to measure reliably | 0.001 mL | 2500 |
| 50 mcg | 2.5 units | 0.025 mL | 100 |
| 100 mcg | 5 units | 0.05 mL | 50 |
| 200 mcg | 10 units | 0.1 mL | 25 |
| 250 mcg | 12.5 units | 0.125 mL | 20 |
| 300 mcg | 15 units | 0.15 mL | 16 |
| 500 mcg | 25 units | 0.25 mL | 10 |
Units on a U-100 insulin syringe (100 units = 1 mL).
Common questions
How many units is 50 mcg of Tesamorelin from a 5 mg vial with 2.5 mL water?
50 mcg is 2.5 units (0.025 mL) on a U-100 insulin syringe. With 2.5 mL of water in a 5 mg vial, each unit holds 20 mcg. For comparison: 100 mcg = 5 units, 200 mcg = 10 units, 250 mcg = 12.5 units.
What is the concentration of a 5 mg Tesamorelin vial mixed with 2.5 mL of water?
5 mg divided by 2.5 mL is 2 mg/mL, or 2000 mcg per mL. On a U-100 syringe (100 units = 1 mL) that is 20 mcg per unit.
How many 50 mcg doses are in a 5 mg vial?
About 100. 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 Tesamorelin vial?
2.5 mL is the volume used in the Crestigen Tesamorelin protocol. More water makes each dose a larger, easier-to-measure number of units; less water keeps injections smaller.
Other Tesamorelin vial and water combinations
- 5 mg vial + 1 mL water
- 5 mg vial + 2 mL water
- 5 mg vial + 2.5 mL water
- 5 mg vial + 3 mL water
Open this in the dosage calculator · Full Tesamorelin protocol, reconstitution and storage