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.
Adding a collagen supplement like this one from Hum can can cater to hair, skin, and nails, delivering collagen, biotin, and zinc to help strengthen and support them both. Hannah Coates, Vogue, 31 July 2025 This Korean shampoo does that while also encouraging healthy hair growth thanks to nourishing ingredients such as biotin and ceramides. Audrey Noble, Glamour, 15 July 2025 Hair, skin, and nail supplements often contain biotin. Jamie Johnson, Verywell Health, 14 July 2025 The fruit contains vitamins C and B6, potassium, magnesium, fiber, and biotin, according to PetMD. Kelsey Monstrola, USA Today, 12 July 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 7 Aug. 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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