What Is Vitamin D3?

Answer

Vitamin D3 is cholecalciferol. It is a compound with the formula C27 H43 OH that is found in fish liver oil and egg yolks. Vitamin D3 is formed on the skin when the skin is exposed to sunlight.
Q&A Related to "What Is Vitamin D3"
Vitamin D3 is fat-soluble and comes in several forms. The first is called cholecalciferol, the second is calcindiol or 25-hydroxyvitamin D3 and the third is calcitriol or 1,25-dihydroxyvitamin
http://www.ehow.com/about_5036286_vitamin-d.html
Vitamin D3, also known as cholecalciferol is the natural human form of vitamin D made in the skin when cholesterol reacts with sunlight.It doesn't have significant biological activity
http://wiki.answers.com/Q/What_is_vitamin_d3
n. A colorless crystalline compound, C 27 H 44 O, found in fish-liver oils, irradiated milk, and all irradiated animal foodstuffs. It has essentially the same biological activity
http://www.answers.com/topic/vitamin-d-colorless-c...
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2 Additional Answers
Ask.com Answer for: what is vitamin d3
Vitamin D
Daily Requirement: 0.015 mg
Solubility: Fat
Sources: sunlight, oily fish, eggs, and powdered milk
Vitamin D has several import functions including regulating the amount of calcium and phosphate in the body.
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Vitamin D3 is a cholecalciferol which you can get just by being out in the sun as your body manufactures it from the sunlight. This is very good for your bones and immune system. You can find more info at: www.vrp.com
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