B vitamin

noun

: any vitamin of the vitamin B complex

Examples of B vitamin 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.
Incorporating sunflower seeds into your diet—as a topping for salads or as a snack—can help boost your intake of these vital B vitamins and support overall health. Lana Barhum, Verywell Health, 30 June 2026 Inside, soy proteins repair and strengthen, copper peptides stimulate keratin production–aka the protein that fortifies and minimizes frizz–and pro-B vitamins amplify fullness. Ellie Davis, Vogue, 25 June 2026 Skinless chicken breast is also rich in protein, B vitamins, iron, phosphorus, and selenium. Mark Gurarie, Health, 25 June 2026 Biotin, an essential B vitamin, is a common hair care ingredient known for its ability to support keratin production, a protein that’s essential for helping form hair strands (as well as nails and the epidermis). Erika Reals, InStyle, 24 June 2026 See All Example Sentences for B vitamin

Word History

First Known Use

1920, in the meaning defined above

Time Traveler
The first known use of B vitamin was in 1920

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Cite this Entry

“B vitamin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/B%20vitamin. Accessed 7 Jul. 2026.

Kids Definition

B vitamin

noun
: any vitamin of the vitamin B complex

Medical Definition

B vitamin

noun
: any vitamin of the vitamin B complex
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