Vitamins are essential in minute quantities. Except for vitamin D, none of the vitamins can be synthesized in our body and have to be obtained from the diet. Vitamin is essential for maturation of erythrocytes. The vitamin is mostly stored in the liver and is transported to the bone marrow to promote maturation of the RBCs. Its deficiency leads to pernicious anemia. It is a water soluble vitamin and chemically, a glycoprotein.

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