B12 is essential for DNA synthesis and cellular energy production. It comprises of several forms, including cyano-, methyl-, deoxyadenosine-, and hydroxy-cobalamin. The cyano form, which is used in supplements, is found in trace amounts in food. Methylcobalamin is dependent on folate as a cofactor for the synthesis of purines. A deficiency in B12 may lead to unusually large, structurally abnormal, and immature red blood cells.
259
Food sources
48
Micronutrients
Food & drink sources
Here are the foods and drinks where this micronutrient is found.
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