Vitamin A is required for several vital functions in the body. Some of the most important functions of Vitamin A are described below. Vitamin A is required for the maintenance of normal vision. A ...

Fat-soluble vitamins are vitamins A, D, E, and K. They are present in foods containing fats. The body absorbs these vitamins as it does dietary fats. They do not dissolve in water. Vitamins help the ...

Vitamin K is an essential vitamin that occurs in two forms, K-1 and K-2. Dietary sources of vitamin K-2 include animal proteins and fermented foods. The bacteria in the human gut also produce small ...