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Vitamin D
Ergocalciferol

by Jerry Kennard
for About.com

Updated July 22, 2005

About.com Health's Disease and Condition content is reviewed by the Medical Review Board

Vitamin D (ergocalciferol)
Vitamin D is found in cod-liver oil, dairy produce, milk and eggs. It increases the absorption of calcium and promotes growth. Deficiency of vitamin D can lead to rickets in children and osteomalcia (softening of bones) in adults. Excessive amounts may deposit calcium in the kidneys or arteries and could lead to kidney failure. The recommended daily intake of vitamin D is 0.005 mg.

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