compounds in this group are vitamin D3 (cholecalciferol) and vitamin D2 (ergocalciferol). The major natural source of vitamin D is synthesis of cholecalciferol...

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...

Vitamin D toxicity, or hypervitaminosis D is the toxic state of an excess of vitamin D. The normal range for blood concentration in adults is 20 to 50...

folates) Vitamin B12 (cobalamins) Vitamin C (ascorbic acid and ascorbates) Vitamin D (calciferols) Vitamin E (tocopherols and tocotrienols) Vitamin K (phylloquinones...

Vitamin D is a group of fat-soluble prohormones. Vitamin D may also refer to: Ergocalciferol (vitamin D2) Cholecalciferol (vitamin D3) 22-Dihydroergocalciferol...

The vitamin D receptor (VDR also known as the calcitriol receptor) is a member of the nuclear receptor family of transcription factors. Calcitriol (the...

Cholecalciferol, also known as vitamin D3 and colecalciferol, is a type of vitamin D that is made by the skin when exposed to sunlight; it is found in...

natural sunlight produced vitamin D2. The form of vitamin D found in UV-irradiated mushrooms is ergocalciferol, or vitamin D2. This is not the same as...

hormonal form of vitamin D is 1,25-dihydroxyvitamin D (1,25(OH)2D). This molecule and other naturally occurring forms of vitamin D, including its precursors...

25(OH)D3), is a form of vitamin D produced in the liver by hydroxylation of vitamin D3 (cholecalciferol) by the enzyme vitamin D 25-hydroxylase. Calcifediol...