A member asked:

What is/are the main function of vitamin d?

A doctor has provided 1 answer

Calcium absorption: The most proven function of vitamin d is the absorption of calcium and phosphorus in the intestine. This is critical for preserving bone health. Because most of the cells in the body have proteins which participate in the actions of vitamin d it is likely, although controversial, that vitamin d may have other important functions such as in fighting infections and preventing diabetes.

Answered 10/29/2012

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