: 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
The star ingredients, rosemary and biotin, work together to deeply nourish and cleanse the scalp and strands, as well as stimulate growth and keratin production.
—
Tessa Petak,
InStyle,
4 July 2026
Even supplements such as Nutrafol contain biotin which can elevate hormone levels, so the sisters are careful and consult with their physicians.
—
Laura Trujillo,
USA Today,
30 June 2026
Sunflower seeds also contain small amounts of biotin, which further enhances their nutritional value.
—
Lana Barhum,
Verywell Health,
30 June 2026
Careful study revealed that three of the clusters produce antibiotics molecules—stravidins, acidomycins, dapamycins—that each thwart a different enzyme in the biotin biosynthesis pathway.
—
Beth Mole,
ArsTechnica,
26 June 2026
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Tessa Petak,
InStyle,
4 July 2026
Even supplements such as Nutrafol contain biotin which can elevate hormone levels, so the sisters are careful and consult with their physicians.
—
Laura Trujillo,
USA Today,
30 June 2026
Sunflower seeds also contain small amounts of biotin, which further enhances their nutritional value.
—
Lana Barhum,
Verywell Health,
30 June 2026
Careful study revealed that three of the clusters produce antibiotics molecules—stravidins, acidomycins, dapamycins—that each thwart a different enzyme in the biotin biosynthesis pathway.
—
Beth Mole,
ArsTechnica,
26 June 2026
See All Example Sentences for biotin
Cite this Entry
“Biotin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biotin. Accessed 7 Jul. 2026.
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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