biotin

noun

bi·​o·​tin ˈbī-ə-tən How to pronounce biotin (audio)
: 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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The treatment is formulated with superstar ingredients like rosemary, mint, and biotin, which thoroughly nourish the scalp to promote healthier skin and hair growth, according to our testers. Clara McMahon, People.com, 1 May 2025 Meanwhile, the formula boasts other skin-loving ingredients like keratin, biotin, and rice protein to boost nail health. Conçetta Ciarlo, Vogue, 9 Apr. 2025 More research is needed to determine if biotin is an effective treatment for alopecia areata. Carrie Madormo, Rn, Health, 30 Apr. 2025 The benefits of brewer’s yeast have been known for millennia and rival hair-growing supplements like biotin and folic acid. Beatrice Zocchi, Vogue, 16 Apr. 2025 See All Example Sentences for biotin

Word History

Etymology

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

First Known Use

1936, in the meaning defined above

Time Traveler
The first known use of biotin was in 1936

Browse Nearby Words

Cite this Entry

“Biotin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biotin. Accessed 21 May. 2025.

Kids Definition

biotin

noun
bi·​o·​tin ˈbī-ə-tən How to pronounce biotin (audio)
: a growth vitamin of the vitamin B complex found especially in yeast, liver, and egg yolk

Medical Definition

biotin

noun
bi·​o·​tin ˈbī-ət-ən How to pronounce biotin (audio)
: 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

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