Biotin is commonly known as vitamin B7, and has also been referred to as coenzyme R and W Factor. It was originally called vitamin H - the H signifying the German word haut, which means skin. As a supplement biotin is typically used to prevent or treat deficiency in this nutrient. A water-soluble vitamin, biotin is found in many foods (e.g., meats, egg yolks, nuts, beans, and fish) but the biotin in most foods is not readily bioavailable. It is also synthesized by naturally-occurring intestinal bacteria, and is believed to be stored in mitochondria in cells.1-6

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In addition to its essential health functions and ability to resolve or reduce the symptoms of biotin deficiency, biotin may also offer preventive or therapeutic benefits for a number of illnesses or conditions:1

Biotin is generally considered both safe and well-tolerated, with no adverse effects reported when taken at dosages of up to 10 mg/day (although some question has been raised about the safety of high dosage biotin). A number of drugs, including antibiotics, can cause biotin deficiency. Biotin use may also cause inaccuracies with certain thyroid lab tests.1,5

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Easily available for use in the body.
Component of cells that convert oxygen
and dietary nutrients into energy in a
process called aerobic respiration.
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