You know roughly what's getting into your system
Product details Brand Pfizer MPN WIN 397713 Format Bacteriostatic Water for Injection, USP Volume 30 mL Preservative Benzyl alcohol (0.9% [9 mg/mL] or 1.1% [11 mg/mL], depending on lot) Appearance Clear, colorless solution Container Multi-dose plastic vial Administration routes For medications given by intramuscular, intravenous, or subcutaneous routes Typical pH 5.7 (range 4.5 to 7.0) Storage Store at 20 to 25 C Material notes DEHP-free and latex-free Condition New Purchase requirements In stock for in-store pickup while supplies last
Shaked Y, Henke E, Roodhart JM, Mancuso P, Langenberg MH, Colleoni M, et al
These include: Age and overall health status Severity of Vitamin B12 deficiency Presence of underlying medical conditions, such as gastrointestinal disorders Concurrent medications that may interact with Vitamin B12 For example, older adults or those with severe deficiencies might need more
Do not use regular sterile water