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Vitamin B2
Riboflavin

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 B2 (riboflavin)
Vitamin B2 is found in milk, eggs, fish, spinach, liver, asparagus and broccoli. It has a role in carbohydrate and protein metabolism. Deficiency of vitamin B2 can lead to problems with vision, cataracts, corneal ulcerations and skin conditions such as dermatitis. Excessive quantities of vitamin B2 are usually excreted but some storage can also occur in the liver, kidneys and heart. The recommended daily intake of vitamin B2 is 1.7 mg

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