Mixing and storage

Add 2 mL bacteriostatic water to a 10 mg vial for 5 mg per mL; 1 mg is 0.2 mL (20 units) and 5 mg is 1 mL (100 units). For a 50 mg vial add 5 mL for 10 mg per mL. Swirl, never shake. Keep powder cool and dark; once mixed keep it in the fridge and use it within 28 days.