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Biosci Rep (2020) 40(4):BSR20193160
Prevention of vitamin B12 deficiency in people who need more vitamin B12 than usual due to certain conditions (such as pregnancy, thyroid problems, liver or kidney problems)
Severe B12 deficiency is widely reported and leads to pernicious anemia since your body needs B12 to make red blood cells, and a deficiency limits its capabilities to build them
Deficiency leads to nerve damage (neuropathy), which presents as numbness, tingling, or weakness
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