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Vitamin D3, also known as cholecalciferol, is a form of vitamin D that is synthesized in the skin upon exposure to sunlight, says Hodson. "It can also be consumed through dietary sources like fish ...
Vitamin D is an important nutrient that's top of mind for many lately, and that's good news since most people in the United States don't consume enough of it, according to the National Institutes ...
Cholecalciferol, also known as vitamin D3 and colecalciferol, is a type of vitamin D that is made by the skin when exposed to UV-B light; it is found in some foods and can be taken as a dietary supplement. [3] Cholecalciferol is made in the skin following UVB light exposure. [4] It is converted in the liver to calcifediol (25-hydroxyvitamin D ...
D014807. Legal status. In Wikidata. Vitamin D is a group of fat-soluble secosteroids responsible for increasing intestinal absorption of calcium, magnesium, and phosphate, and for many other biological effects. [1] [2] [3] In humans, the most important compounds in this group are vitamin D 3 ( cholecalciferol) and vitamin D 2 ( ergocalciferol ).
Deficiency (<50 nmol/L): Europe 40%, US 24%, Canada 37% [2] Vitamin D deficiency or hypovitaminosis D is a vitamin D level that is below normal. It most commonly occurs in people when they have inadequate exposure to sunlight, particularly sunlight with adequate ultraviolet B rays (UVB).
Vitamin D (the inactive version) is mainly from two forms: vitamin D 3 and vitamin D 2. Vitamin D 3, or cholecalciferol, is formed in the skin after exposure to sunlight or ultra violet radiation or from D 3 supplements or fortified food sources. Vitamin D 2, or ergocalciferol, is obtained from D 2 supplements or fortified food sources.