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: 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
For example, biotin helps your cat maintain healthy skin and a shiny coat, Hill's Pet Nutrition reports.
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Olivia Munson, USA TODAY, 30 Jan. 2025
Although biotin is generally safe even in high doses, very high doses may interfere with lab tests for thyroid or heart function.
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Jamie Johnson, Verywell Health, 21 Jan. 2025
Score it in a bundle with its matching conditioner, peptide density serum, and Destined for Density biotin supplements for 20 percent off.
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Averi Baudler, People.com, 26 Dec. 2024
Do biotin supplements actually help with hair growth?
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Caroline C. Boyle, USA TODAY, 23 Dec. 2024
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Word History
Etymology
International Scientific Vocabulary, from Greek biotos life, sustenance; akin to Greek bios
First Known Use
1936, in the meaning defined above
Dictionary Entries Near biotin
Cite this Entry
“Biotin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biotin. Accessed 8 Feb. 2025.
Kids Definition
biotin
noun
bi·o·tin
ˈbī-ə-tən
: 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
: 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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