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Surgical procedures Sometimes few surgeries that involve the removal or alteration of the stomach or intestines can affect the bodys ability to absorb vitamin B12 as removal reduces the surface area available for absorption

Pregnancy Category C: Animal reproduction studies have not been conducted with vitamin B12

That means your body needs it to carry out lots of important functions, including (1, 2): Red blood cell formation DNA synthesis Brain and nervous system functioning Energy production (metabolism) Immune system health Risk Factors for Vitamin B12 Deficiency Your body doesnt produce B12 on its own

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