Vitamin D, scientifically known as calciferol, is essential for bone health, muscle strength, and a well-functioning immune system. Paradoxically, despite living in a sun rich country, India faces a widespread deficiency of this vital nutrient. National surveys, including the Comprehensive National Nutrition Survey (CNNS) conducted by the Ministry of Health and Family Welfare (MoHFW), UNICEF, and the Population Council from 2016 to 2018, indicate that a significant portion of the population, especially children, adolescents, and urban residents, have insufficient vitamin D levels. Government data suggests that as many as 80 % of Indians may not be getting adequate vitamin D, highlighting a growing public health concern.

Health Risks of Low Vitamin D

The health consequences of vitamin D d

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