Health Glossary - For Everyone

Cholecalciferol (vitamin D)
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What is cholecalciferol (vitamin D)?

Cholecalciferol (vitamin D) is an important vitamin in the body. It has a vital role in regulating levels of calcium, magnesium and phosphorus absorption, and it also assists with the formation of bone, prevents bone loss and osteoporosis. Cholecalciferol (vitamin D) helps to control the movement of calcium between the bones and the blood.

Cholecalciferol (vitamin D) can be synthesised in the skin from exposure to ultra-violet (UVB) light from the sun.

Cholecalciferol (vitamin D) is a fat-soluble vitamin and it also has hormone-like properties.

Being a fat soluble vitamin means that any excess of cholecalciferol (vitamin D) consumed is stored in the liver. In addition to this, in order to absorb the cholecalciferol (vitamin D) from food consumed, it should have lipid (fat) in it.


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Important cholecalciferol (vitamin D) facts

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Why cholecalciferol (vitamin D) is important

Cholecalciferol (vitamin D) is not an active vitamin. Once it is in the body, it gets carried to the kidneys, where it is synthesised into a more active form.

Cholecalciferol (vitamin D) is a hormone that is involved in mineral (calcium, magnesium and phosphorus) metabolism and bone growth.


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Last reviewed: 14 January 2007 || Last updated: 21 August 2007


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More information

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NOTE: Mega doses of any type of vitamin, mineral, amino acid or herbal supplement cannot cure illnesses and in fact can be very dangerous and produce toxic side effects and interfere with medicine you are taking. Always ensure you consult your doctor before taking any type of complementary supplements.
Disclaimer: This guide is not intended to be used for diagnostic or prescriptive purposes. For any treatment or diagnosis of illness, please see your doctor.


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