Definition of "biotin" [bi•o•tin]

• A colorless crystalline vitamin, C10H16N2O3S, of the vitamin B complex, essential for the activity of many enzyme systems and found in large quantities in liver, egg yolk, milk, and yeast. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Wagner-Jauregg, for example, found biotin is identical to"
• "Grapefruit Seed contains the whole spectrum of the vitamin-B group, with a particularly high content of biotin, which is responsible for the utilization of dietary body fats, facilitating the metabolism of carbohydrates, fats and proteins (and the utilization of other B-complex vitamins)."
• "Certain B-vitamins such as biotin are needed for maintenance of healthy skin, mucous membranes, which protect the body on the inside and nails."