Vitamin D refers to a group of fat-soluble secosteroids respons... - dofaq.co
vitamin d

Vitamin D refers to a group of fat-soluble secosteroids respons...

wikipedia - 16 Feb 2017
Vitamin D refers to a group of fat-soluble secosteroids responsible for increasing intestinal absorption of calcium, iron, magnesium, phosphate, and zinc. In humans, the most important compounds in this group are vitamin D3 (also known as cholecalciferol) and vitamin D2 (ergocalciferol). Cholecalciferol and ergocalciferol can be ingested from the diet and from supplements. Very few foods contain vitamin D; synthesis of vitamin D (specifically cholecalciferol) in the skin is the major natural source o

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