Vitamin D- Calciferol - Description of the sunshine vitamin with recommended dosage, deficiency signs, and list of food sources.
Vitamin D- Facts and Information - Facts on the vitamin such as RDA intake, functions, absorption, and deficiency signs including rickets.
Science News Online: Enough Isn't Enough: An Epidemic of Vitamin D Deficiency - Report on a study that found many U.S. women of childbearing age, particularly those of African descent, lack sufficient vitamin D even though they consume the recommended amount.
Vitamin D, Linus Pauling Institute - Discussion of function, deficiency, disease prevention, disease treatment, food sources, supplements, research, and recommendations from the Linus Pauling Institute.
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