HUMAN NUTRITION

Detailed explanation-1: -Vitamins A, D, E, and K are called the fat-soluble vitamins, because they are soluble in organic solvents and are absorbed and transported in a manner similar to that of fats.

Detailed explanation-2: -Introduction. Vitamin D (also referred to as “calciferol") is a fat-soluble vitamin that is naturally present in a few foods, added to others, and available as a dietary supplement. It is also produced endogenously when ultraviolet (UV) rays from sunlight strike the skin and trigger vitamin D synthesis.

Detailed explanation-3: -"Vitamin K, ‘’ the generic name for a family of compounds with a common chemical structure of 2-methyl-1, 4-naphthoquinone, is a fat-soluble vitamin that is naturally present in some foods and is available as a dietary supplement [1].