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FGL: 5 mg vial with 1 mL water
Quick answer
Adding 1 mL of bacteriostatic water to a 5 mg FGL vial gives 5 mg/mL (5000 mcg/mL), so each unit on a U-100 insulin syringe holds 50 mcg. A 1 mg dose is 20 units (0.2 mL), and the vial holds about 5 doses of that size.
Concentration
- Vial: 5 mg FGL
- Bacteriostatic water: 1 mL
- Concentration: 5 mg/mL (5000 mcg/mL)
- 1 unit on a U-100 syringe = 50 mcg
FGL dose to syringe units
| Dose | Syringe units (U-100) | Volume | Doses per vial |
|---|---|---|---|
| 50 mcg | 1 units | 0.01 mL | 100 |
| 100 mcg | 2 units | 0.02 mL | 50 |
| 200 mcg | 4 units | 0.04 mL | 25 |
| 250 mcg | 5 units | 0.05 mL | 20 |
| 300 mcg | 6 units | 0.06 mL | 16 |
| 500 mcg | 10 units | 0.1 mL | 10 |
| 750 mcg | 15 units | 0.15 mL | 6 |
| 1 mg (protocol dose) | 20 units | 0.2 mL | 5 |
Units on a U-100 insulin syringe (100 units = 1 mL).
Common questions
How many units is 1 mg of FGL from a 5 mg vial with 1 mL water?
1 mg is 20 units (0.2 mL) on a U-100 insulin syringe. With 1 mL of water in a 5 mg vial, each unit holds 50 mcg. For comparison: 300 mcg = 6 units, 500 mcg = 10 units, 750 mcg = 15 units.
What is the concentration of a 5 mg FGL vial mixed with 1 mL of water?
5 mg divided by 1 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 1 mg doses are in a 5 mg vial?
About 5. 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 FGL vial?
The Crestigen FGL protocol uses 5 mL. 1 mL works too as long as you calculate units for this concentration (5 mg/mL) and label the vial.
Other FGL vial and water combinations
- 5 mg vial + 1 mL water
- 5 mg vial + 2 mL water
- 5 mg vial + 3 mL water
- 5 mg vial + 5 mL water
Open this in the dosage calculator · Full FGL protocol, reconstitution and storage