Biotin is a type of B vitamin that's found in many foods. It can be taken as a supplement to treat rare cases of vitamin deficiency. There is not enough evidence to support its supplemental use for the treatment of other conditions.
Identification
Biotin 5000 mcg is a supplement which often comes in tablet form. The 5000 mcg means that 5000 micrograms of biotin are contained in the tablet, which is also equal to 5 mg; 5000 mcg of biotin is 1667 percent of the recommended daily intake of biotin, according to VitaCost.com.
Physiology
Biotin serves as a cofactor for many different enzymes, notes MedlinePlus. Enzymes are proteins which speed up chemical reactions in the body; some enzymes need special vitamins, known as cofactors, to work properly. Biotin is needed as a cofactor for enzymes that make glucose and fatty acids, as well as the enzymes used in burning proteins for energy.
Uses
Biotin deficiency is rare, notes MayoClinic.com, though it can occur due to certain genetic defects, malnutrition or if the stomach is removed. It is sometimes used to treat acne and hair loss, but there is not enough evidence to support its use for these purposes.
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