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Once used up, cyanocobalamin could theoretically cause cyanide toxicity particularly in those with kidney failure
Cognitive symptoms, including memory problems and confusion, may show gradual improvement over three to six months, particularly in older adults
For those without an absorption problem, research suggests that high-dose oral B12 supplements can be as effective as injections in raising and maintaining B12 levels
This helps build up the bodys Vitamin B12 stores
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