Vitamin D3
Vitamin D3
Vitamin D3, also known as cholecalciferol (pronunciation: /ˌkoʊləkælˈsɪfərɒl/), is a type of Vitamin D that is produced in the skin in response to sunlight. It is also obtained from certain foods and supplements to ensure adequate levels in the body.
Etymology
The term "cholecalciferol" is derived from the Greek words "chole" meaning bile, "calcis" meaning lime, and "ferol" which is a derivative of the Latin word "ferre" meaning to bear or carry. This refers to the vitamin's role in the transport of calcium in the body.
Function
Vitamin D3 plays a crucial role in the absorption of Calcium and Phosphorus in our body, which are vital for the development and maintenance of healthy teeth and bones. It also supports immune system function and is believed to help protect against a range of conditions such as cancer, type 1 diabetes, and multiple sclerosis.
Sources
Vitamin D3 can be obtained from exposure to sunlight, particularly ultraviolet B radiation. It can also be found in certain foods such as fatty fish (like salmon and mackerel), beef liver, cheese, and egg yolks. In addition, it is available as a dietary supplement in various forms including tablets, capsules, and liquid drops.
Related Terms
- Vitamin D: A group of fat-soluble secosteroids responsible for increasing intestinal absorption of calcium, magnesium, and phosphate, and multiple other biological effects.
- Calcium: A chemical element required for the functioning of living organisms.
- Phosphorus: A chemical element that plays a part in many biological processes in the body.
- Ultraviolet B radiation: A type of ultraviolet light from the sun that is associated with DNA damage and is a cause of skin cancer.
External links
- Medical encyclopedia article on Vitamin D3
- Wikipedia's article - Vitamin D3
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