Vitamin B12 Deficiency Causes
Background Vitamin B12 can be produced exclusively by microorganisms and is found primarily in animal sources of protein, such as meat, liver, kidney, fish, oysters, milk, in dairy products and egg yolks. It plays an essential role in DNA synthesis, the formation of red blood cells and mucous membranes, and in myelination in the nervous … Vitamin B12 Deficiency Causes
