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.
Eggs aren't the only type of food that's high in biotin, a B vitamin that's essential for your overall health. Cristina Mutchler, Verywell Health, 31 Dec. 2025 Crab Crab meat is rich in nutrients like B vitamins, selenium, and zinc. Jillian Kubala, Health, 31 Dec. 2025 As for nutrients to take into account, Viar also mentions magnesium for its ability to regulate the nervous system and induce rest; Omega-3 fatty acids for their key anti-inflammatory role; tryptophan, a precursor of serotonin; and plenty of B vitamins. Mónica Heras, Vogue, 30 Dec. 2025 At least one exposure can have the opposite effect: A study by a researcher named Rebecca Schmidt — and funded by the NIEHS and NIH — found that a B vitamin called folic acid was associated with a significant decrease in the chances of an autism diagnosis. Sharon Lerner, ProPublica, 30 Dec. 2025 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 3 Jan. 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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