You should be know what is vitamin d, what does vitamin d do and the health benefits of vitamin d.
Vitamin D is a fat-soluble micro-nutrient. It is produced by our skin when it is exposed to ultraviolet radiation from natural sunlight. Vitamin D refers to several different variations of this vitamin.
For humans, two forms of vitamin D are important: Vitamin D2 (ergocalciferol) and Vitamin D3 (cholecalciferol).
While vitamin D2 is synthesized by plants, vitamin D3 is synthesized by humans in the skin when it is exposed to ultraviolet-B (UVB) rays from sunlight. Vitamin D3 is also found in animal products, especially fish liver and vitamin D2 in yeast.
Though it is called a vitamin, its function is actually a pro hormone. It helps absorb calcium and phosphorous from the food in the intestine. The function of vitamin D is to cause increased absorption, longer retention and better utilization of calcium and phosphorus in the body. This is needed to form and maintain strong bones.
Around 80% of the Indian population is living with Vitamin D deficiency. Most of these people are not even aware of Vitamin D deficiency and its consequences.