: 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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Key Ingredients: Aloe leaf juice, biotin, jojoba oil Best For: Adding moisture to dry, frizzy curls and coils.
—
Arden Fanning Andrews, Vogue, 4 Mar. 2025
Enter biotin, the beauty world’s not-so-secret weapon.
—Maria Correa, Miami Herald, 3 Mar. 2025
Nutrient deficiencies: Not getting enough iron, zinc, biotin, and protein can negatively affect your hair.
—Kelly Burch Published, Verywell Health, 25 Feb. 2025
Eggs also have the vitamin biotin and brain-boosting choline.
—Regina C. Windsor, Mph, Rdn, Verywell Health, 28 Feb. 2025
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Arden Fanning Andrews, Vogue, 4 Mar. 2025
Enter biotin, the beauty world’s not-so-secret weapon.
—Maria Correa, Miami Herald, 3 Mar. 2025
Nutrient deficiencies: Not getting enough iron, zinc, biotin, and protein can negatively affect your hair.
—Kelly Burch Published, Verywell Health, 25 Feb. 2025
Eggs also have the vitamin biotin and brain-boosting choline.
—Regina C. Windsor, Mph, Rdn, Verywell Health, 28 Feb. 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 18 Mar. 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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