Mixing and storage

Add 2 mL of bacteriostatic water to the 5 mg vial, which gives 2.5 mg in each mL, so 50 mcg is 2 units and 125 mcg is 5 units on an insulin syringe. Run the water down the side and swirl, never shake. Keep powder cool and dark, and keep mixed vials in the fridge and use them within 28 days.