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A 18-year-old female asked:

Is biotin bad for your liver or kidneys? i take it as a supplement to grow my hair.

1 doctor answer1 doctor weighed in
Dr. James Shoemaker
General Practice 42 years experience
Biotin: I promise you biotin does nothing specific for hair growth. It's just that a genetic disease called "biotinidase deficiency" can cause baldness, so people assumed extra biotin might make hair grow--but biology does not work that way! extra biotin gets peed out immediately, so it cannot harm the liver or kidneys.
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Last updated May 13, 2019

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