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Vitamins – Types, Sources, Functions, Deficiency Diseases & Important Facts

Vitamins (Types, Sources, Functions, Deficiency Diseases & Important Facts) are essential organic micronutrients required in small amounts for normal growth, metabolism, immunity and body functions. They are mainly classified into fat-soluble vitamins A, D, E and K, and water-soluble vitamins including the B-complex group and vitamin C. Their deficiency may cause important diseases such as night blindness, rickets, scurvy, beriberi, pellagra and megaloblastic anemia.

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