Definition of vitamin D - NCI Dictionary of Cancer Terms

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vitamin D

A nutrient that helps the body use calcium and phosphorus and make strong bones and teeth. It is found in fatty fish, eggs, and dairy products. The skin can also make vitamin D when exposed to sunshine. Not getting enough vitamin D can cause a bone disease called rickets. Vitamin D is being studied in the prevention and treatment of some types of cancer. Also called cholecalciferol.

Previous Definitions:	vitamin A, vitamin A acid, vitamin B12, vitamin B6, vitamin C
Next Definitions:	vitamin E, vitamin K, vitamin Q10, vitreous humor, Vivitrol