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If the review period for a vitamin B12 test is 4 months instead of 2 months, the savings increase to $14.6 million
If needed for a clear medical indication (such as treating pellagra in a pregnant patient), niacinamide can be used with caution, but unnecessary high-dose B supplementation is avoided in pregnancy
[2] Risk factors may occur possibly more in elderly people due to impaired intestinal absorption, and in children, premenopausal women, and pregnant women, whose diets are low in animal foods
They may suggest a blood test if its not clear whether youre actually low on B12
new neurological symptoms require urgent same-day assessment
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