: 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
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While research shows that certain vitamin deficiencies—such as iron, riboflavin, biotin, and in some cases, vitamin D—can be associated with hair loss, there is not sufficient evidence to support the idea that supplementation of these nutrients fuels hair growth.
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Abbey Stone, Bon Appetit Magazine, 31 July 2025
Each tablet also includes prebiotic FOS, vitamin D, zinc and biotin to keep your gut balanced and healthy.
—Angelina Villa-Clarke, Forbes.com, 21 July 2025
These biotin capsules are here to effortlessly slot into your daily routine.
—Maria Correa, Miami Herald, 3 Mar. 2025
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
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Abbey Stone, Bon Appetit Magazine, 31 July 2025
Each tablet also includes prebiotic FOS, vitamin D, zinc and biotin to keep your gut balanced and healthy.
—Angelina Villa-Clarke, Forbes.com, 21 July 2025
These biotin capsules are here to effortlessly slot into your daily routine.
—Maria Correa, Miami Herald, 3 Mar. 2025
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
See All Example Sentences for biotin
Cite this Entry
“Biotin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biotin. Accessed 23 Aug. 2025.
Copy CitationKids 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
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