Are There Any Alternatives to Injections for Vitamin B12 Supplementation
Results vary, but improvements in hair, skin, and nails are typically noticed over several weeks with consistent treatment
Cyanocobalamin Injection, USP is a sterile solution of cyanocobalamin for intramuscular or subcutaneous injection. Each mL contains 1000 mcg cyanocobalamin. Each vial also contains Sodium Chloride, 0.9%. Benzyl Alcohol, 1.5%, is present as a preservative and Water for Injection q.s. Hydrochloric acid and/or sodium hydroxidemay have been added during manufacture to adjust the pH (range 4.5-7.0)
This bacteriostatic rather than bactericidal preservative action maintains solution sterility between multiple vial access events and the defining practical advantage of Bacteriostatic Water over unpreserved Sterile Water for Injection, which must be used immediately upon vial entry or discarded to prevent microbial contamination
Safety, Side Effects, and Storage B12 injections are usually safe, but they can have side effects and safety concerns
The benzyl alcohol acts as a preservative that inhibits bacterial growth, so a single vial can be accessed for multiple withdrawals across a 28-day period rather than being discarded after one use