VITAMIN D; AN EVIDENCE BASED MEDICINE

Vitamin D (25-dihydroxy Vitamin D [25(OH)D]) is both a nutrient and hormone which provides a wide variety of health benefits to human health; hence, makes it unique. Vitamin D deficiency prevails all over Indian subcontinent including both urban and rural population with a prevalence rate 70-100% in general Indian population [1]. Vitamin D deficiency leads to rickets, osteomalacia, and osteoporosis. Vitamin D also plays an important role in cardiovascular diseases, diabetes, cancer, and infectious disease such as tuberculosis.