IGNOU BPVI 3 2025 - List out various vitamins, their sources and deficiency diseases.

Question

List out various vitamins, their sources and deficiency diseases.

09 Apr 2026

Answer :

Word Count : 495

Vitamins are organic compounds required in small amounts for normal growth, metabolism, and physiological functioning of the human body. They are broadly classified into fat-soluble (A, D, E, K) and water-soluble (B-complex and C) vitamins, each having specific sources and deficiency manifestations. Vitamin A (retinol) is a fat-soluble vitamin essential for vision, immune function, and epithelial cell maintenance. It is found in animal sources such as liver, milk, butter, and eggs, and in plant sources like carrots, spinach, and mangoes in the form of beta-carotene. Deficiency leads to night blindness, xerophthalmia, and in severe cases, complete blindness. Vitamin D (calciferol) plays a vital role in calcium and phosphorus metabolism and bone health. It is synthesized in the skin through

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