biotin

noun
bi·o·tin | \ˈbī-ə-tən \

Definition of biotin 

: a colorless crystalline growth vitamin C10H16N2O3S of the vitamin B complex found especially in yeast, liver, and egg yolk

Examples of biotin in a Sentence

Recent Examples on the Web

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. Kaleigh Fasanella, Allure, "How to Use Witch Hazel on Acne-Prone Skin, According to Dermatologists," 10 May 2018 Additional amounts of magnesium, B-complex vitamins, B-12, biotin, glutathione, zinc and anti-nausea drug Zofran are also barreling through my bloodstream. Craig Hlavaty, Houston Chronicle, "Feeling the drip, drip, drip of the mobile IV craze," 13 June 2018 For clarity’s sake, Lash Slick has vegan biotin, but is not totally vegan. Shannon Barbour, The Cut, "Why Glossier Is Refunding Everyone Who Bought Its Mascara Today," 9 May 2018 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. Cheryl Wischhover, Vox, "Vitamins for your hair, nails, and skin are everywhere on Instagram. Don’t fall for them.," 9 Apr. 2018 Vegan biotin allegedly conditions, making lashes softer and shinier over time. Shannon Barbour, The Cut, "Glossier’s First Mascara Is Out Today," 9 May 2018 Additionally, biotin is not as harmless as has been presumed. Cheryl Wischhover, Vox, "Vitamins for your hair, nails, and skin are everywhere on Instagram. Don’t fall for them.," 9 Apr. 2018 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. Beth Mole, Ars Technica, "Supplements are a $30 billion racket—here’s what experts actually recommend," 20 Feb. 2018 Some derms also suggest taking a multivitamin with biotin and a fish-oil pill to make your hair stronger. Jessica Prince Erlich, Harper's BAZAAR, "13 Secrets to Long, Thick, Shiny Hair," 7 Nov. 2016

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.

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First Known Use of biotin

1936, in the meaning defined above

History and Etymology for biotin

International Scientific Vocabulary, from Greek biotos life, sustenance; akin to Greek bios

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The first known use of biotin was in 1936

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More Definitions for biotin

biotin

noun
bi·o·tin | \ˈbī-ət-ən \

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

More from Merriam-Webster on biotin

Britannica.com: Encyclopedia article about biotin

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