Vitamin D is a group of fat-soluble secosteroids responsible for increasing intestinal absorption of calcium, magnesium, and phosphate, and many other biological effects.[In humans, the most important compounds in this group are vitamin D3 (also known as cholecalciferol) and vitamin D2
![New Data: Vitamin D Supplements Unlikely to Prevent COVID-19 New Data: Vitamin D Supplements Unlikely to Prevent COVID-19](https://www.vitaminrush.com/wp-content/uploads/2021/06/1622677332_maxresdefault-1170x508.jpg)