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Around 50% to 98% of vitamin B12 is excreted from the body 48 hours after injection
& Burrows, A
Moreover, the track record of community experience with nasal spray versions is quite poor
Sterile water for injection contains no preservative and is single-use only, while bacteriostatic water contains 0.9% benzyl alcohol that inhibits microbial growth across multiple punctures
Best choice: your provider can recommend the right option based on your B12 level, the cause of your deficiency, and your symptoms
The only antidepressants that pose a risk of rare interaction are classified as MAOIs, which are older and less commonly prescribed
