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They also improve your brain function, help your blood, prevent anemia, and support your nervous system
Anyone with signs and symptoms of a vitamin B12 deficiency or pernicious anemia should consult a doctor
[3] Laboratory tests typically measure total B12 rather than the active form (holotranscobalamin), which can sometimes lead to misleading results
B12 can be a great starting point for many guests, but it is not the answer to every concern
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