Ariboflavinosis (pronounced "AY-rybo-flayvin-OH-sis") is the medical condition caused by deficiency of riboflavin (vitamin B2). Ariboflavinosis is most often seen in association with protein-energy malnutrition, and also in cases of alcoholism.
It was originally known as pellagra sin pellagra (pellagra without pellagra), as it exhibits certain similarities to the niacin deficiency pellagra.
The United States Recommended Daily Allowance (RDA) for riboflavin ranges from 1.1 to 1.3 milligrams per day
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