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What are vitamin B12 shots for
A diet rich in animal products, fortified foods, nutritional yeast, and supplements helps maintain adequate B12 levels
22,23 In patients with a normal or low-normal serum vitamin B 12 level, complete blood count results demonstrating macrocytosis, or suspected clinical manifestations, a serum methylmalonic acid level is an appropriate next step 1,2,6,18 and is a more direct measure of vitamin B 12 's physiologic activity
Its deficiency can lead to a specific type of anemia called megaloblastic anemia, characterized by the production of abnormally large and dysfunctional red blood cells
Oral B12 supplementation (1,000-2,000 mcg daily sublingual methylcobalamin) can replicate the B12 component of MIC injections and is effective for most patients without malabsorption issues
