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PEG-MGF: 2 mg vial with 3 mL water
Quick answer
Adding 3 mL of bacteriostatic water to a 2 mg PEG-MGF vial gives 0.67 mg/mL (666.7 mcg/mL), so each unit on a U-100 insulin syringe holds 6.7 mcg. A 200 mcg dose is 30 units (0.3 mL), and the vial holds about 10 doses of that size.
Concentration
- Vial: 2 mg PEG-MGF
- Bacteriostatic water: 3 mL (the volume in the Crestigen protocol)
- Concentration: 0.67 mg/mL (666.7 mcg/mL)
- 1 unit on a U-100 syringe = 6.7 mcg
PEG-MGF dose to syringe units
| Dose | Syringe units (U-100) | Volume | Doses per vial |
|---|---|---|---|
| 50 mcg | 7.5 units | 0.075 mL | 40 |
| 100 mcg | 15 units | 0.15 mL | 20 |
| 200 mcg (protocol dose) | 30 units | 0.3 mL | 10 |
| 250 mcg | 37.5 units | 0.375 mL | 8 |
| 300 mcg (protocol dose) | 45 units | 0.45 mL | 6 |
| 400 mcg (protocol dose) | 60 units | 0.6 mL | 5 |
| 500 mcg (protocol dose) | 75 units | 0.75 mL | 4 |
Units on a U-100 insulin syringe (100 units = 1 mL).
Common questions
How many units is 200 mcg of PEG-MGF from a 2 mg vial with 3 mL water?
200 mcg is 30 units (0.3 mL) on a U-100 insulin syringe. With 3 mL of water in a 2 mg vial, each unit holds 6.7 mcg. For comparison: 300 mcg = 45 units, 400 mcg = 60 units, 500 mcg = 75 units.
What is the concentration of a 2 mg PEG-MGF vial mixed with 3 mL of water?
2 mg divided by 3 mL is 0.67 mg/mL, or 666.7 mcg per mL. On a U-100 syringe (100 units = 1 mL) that is 6.7 mcg per unit.
How many 200 mcg doses are in a 2 mg vial?
About 10. 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 2 mg PEG-MGF vial?
3 mL is the volume used in the Crestigen PEG-MGF protocol. More water makes each dose a larger, easier-to-measure number of units; less water keeps injections smaller.
Other PEG-MGF vial and water combinations
- 2 mg vial + 1 mL water
- 2 mg vial + 2 mL water
- 2 mg vial + 3 mL water
Open this in the dosage calculator · Full PEG-MGF protocol, reconstitution and storage