A vitamin produced by the body when exposed to ultraviolet light or obtained from dietary sources. Vitamin D3 is a hormone that has an important role in calcium and phosphorus metabolism. Technically, vitamin D3 is not a vitamin because the body can produce it. Also known as cholecalciferol.

Vitamin D3 is the type of vitamin D produced by the skin during sun exposure. It is also called cholecalciferol.

By Ed Hill Vitamin D3 (Vitamin 1,25(OH)2 D3) is a naturally occurring bodily substance that many believe to exert a protective effect in multiple sclerosis - both in the development of the disease and [..]

A form of vitamin D. Can be synthesized in the skin in response to exposure to sunlight, added to fortify foods. It is produced industrially by the irradiation of 7-dehydrocholesterol extracted from lanolin found in sheep's wool. (Other names: Cholecalciferol, Calciol.)

Derivative of 7-dehydroxycholesterol formed by Ultraviolet Rays breaking of the C9-C10 bond. It differs from ERGOCALCIFEROL in having a single bond between C22 and C23 and lacking a methyl group at C2 [..]

supplement Vitamin D3 supplement is necessary for the proper use of calcium and phosphorus by the body, thus necessary in the growth and maintenance of healthy bones and teeth. Vitamin D3 is also required for maintaining a healthy immune system and the production of insulin.

Vitamin D3 plays a role in optimizing calcium incorporation into bone and reduces calcium and phosphorus loss in urine.

Form of vitamin D made in the skin when exposed to light. Also available in fish and meat. This secosteroid is sometimes converted into 25-D. Also known as cholecalciferol and activated 7-dehydrochole [..]

A vitamin produced by the body when exposed to ultraviolet light or obtained from dietary sources. Vitamin D3 is a hormone that has an important role in calcium and phosphorus metabolism.

Vitamin D3 is a secosteroid (like testosterone or cholesterol) produced in human skin through the action of UVB radiation.