Vitamin B12 Deficiency Anemia: Symptoms, Causes, Treatments Why Your B12 Shots Are Not Working How to Store Bacteriostatic Water Safely Confused about whether BAC water needs refrigeration after opening? According to USP standards and Pfizer's own guidance, both room temp (2025C) and refrigeration are acceptable TM BioWater Bacteriostatic Water (BAC) 30mL Glass Vial Bacteriostaticwater.com Should BAC water be refrigerated or stored at room temperature? Do B12 Injections Help With Fatigue? The Aspen Clinic