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Safety signals are poorly tracked
A toxic vitamin B12 overdose could not occur as the body will absorb what it needs from the B12 injected and excrete any excess in the urine
Vitamin B12 is essential for various bodily functions, including red blood cell production, DNA synthesis, and maintaining a healthy nervous system
Active gastroduodenal ulcer
it would flare up or be constant
Labs must recognize that while the preservative reduces contamination risk, it does not eliminate it entirely
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