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Biotin and Pantothenic Acid

By Larry E. Johnson, MD, PhD, Associate Professor of Geriatrics and Family and Preventive Medicine;Medical Director, University of Arkansas for Medical Sciences;Central Arkansas Veterans Healthcare System

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(See also Overview of Vitamins.)

Biotin acts as a coenzyme for carboxylation reactions essential to fat and carbohydrate metabolism. Adequate intake for adults is 30 mcg/day.

Pantothenic acid is widely distributed in foods; it is an essential component of coenzyme A. Adults probably require about 5 mg/day. A beneficial role for pantothenic acid supplementation in lipid metabolism, RA, or athletic performance remains unproved.

Isolated deficiency of biotin or pantothenic acid virtually never occurs.