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.
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 Customers can opt to have the drink made with lemonade or coconut milk, and also choose the level of caffeine and B vitamins. Erin Clements, PEOPLE, 15 June 2026 So refined bread can provide useful nutrients, including B vitamins and minerals like iron, zinc, and calcium—though typically less than whole-grain bread. Matt Fuchs, Time, 15 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 29 Jun. 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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