Definition of biotin
: a colorless crystalline growth vitamin C10H16N2O3S of the vitamin B complex found especially in yeast, liver, and egg yolk
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Recent Examples of biotin from the Web
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This Allure Best of Beauty winner contains witch hazel and biotin in addition to a soothing blend of peppermint, spearmint, and tea tree oil, all of which work in tandem to calm an itchy, irritated scalp.
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Additional amounts of magnesium, B-complex vitamins, B-12, biotin, glutathione, zinc and anti-nausea drug Zofran are also barreling through my bloodstream.
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For clarity’s sake, Lash Slick has vegan biotin, but is not totally vegan.
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Plus, the ingredient amounts differed by 20 percent or more compared to what was on the label, including containing 70 percent more biotin than claimed.
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Vegan biotin allegedly conditions, making lashes softer and shinier over time.
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Additionally, biotin is not as harmless as has been presumed.
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For instance, mega-doses of biotin (vitamin B7), which some people take for skin, hair, and nail health, can skew medical tests for heart attacks.
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Some derms also suggest taking a multivitamin with biotin and a fish-oil pill to make your hair stronger.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'biotin.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of biotin
International Scientific Vocabulary, from Greek biotos life, sustenance; akin to Greek bios
Medical Dictionary
medical Definition of biotin
: a colorless crystalline growth vitamin C10H16N2O3S of the vitamin B complex found especially in yeast, liver, and egg yolk — called also
vitamin H
Learn More about biotin
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Britannica.com: Encyclopedia article about biotin
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