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.
On Tuesday, the FDA approved the high-dose B vitamin — a treatment long used to counteract the side effects of chemotherapy — for cerebral folate deficiency in the receptor 1 gene, a genetic condition that’s estimated to affect only about 1 in 1 million people. Brenda Goodman, CNN Money, 10 Mar. 2026 Certain nutrients in these foods—such as B vitamins, magnesium, and omega-3s—contribute to healthy nerve signaling. Trista Chan, Health, 9 Mar. 2026 Cream of Wheat Has More Vitamins and Minerals Cream of wheat is fortified with iron and B vitamins. Maggie O'Neill, Verywell Health, 5 Mar. 2026 The B vitamin, while often touted as a hair growth miracle, has little scientific evidence to support this notion; that said, biotin has been shown to add hydration to dry hair, leaving it bouncy, shiny, and soft. Sophie Wirt, InStyle, 26 Feb. 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 12 Mar. 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
Last Updated: - Updated example sentences
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