Q:

Does biotin help to increase hair and nail growth?

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Quick Answer

Biotin deficiency has been linked to both hair loss and brittle nails; the B-vitamin is a natural remedy for each condition, according to FITDAY vitamin and mineral experts. Biotin also supports the health of the skin, nerves, digestive tract, metabolism and cells, cites WebMD.

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Full Answer

Biotin deficiency may be genetic, or occur in persons who drink alcohol excessively or consume large amounts of raw egg white, explains alternative medicine expert Cathy Wong. For adults 19 years of age or older, 30 micrograms of biotin through diet or supplement are recommended. Food sources include bananas, brewer's yeast, carrots, cauliflower, egg yolks, nuts, mushrooms and sardines, according to WebMD.

A 2007 study published in the Journal of Drugs in Dermatology states that brittle nail syndrome may subside upon taking 2.5 mg of biotin daily in supplement. A 1993 study found that 63 percent of patients with brittle nails showed significant improvement in their condition after six months of taking biotin supplements.

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