vitamin H

noun

: biotin

Examples of vitamin H 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.
Originally called vitamin H, biotin has been recognized as a micronutrient since 1927. Sarah Garone, Health, 22 Dec. 2023 Biotin, a B vitamin also known as vitamin H, is known for its hair and nail growth benefits. Amber Smith, Discover Magazine, 10 Aug. 2023 Biotin is a common name for vitamin B7 or vitamin H and is required to produce the hair protein keratin. Sydney Poe, chicagotribune.com, 4 Mar. 2021

Word History

Etymology

German Haut skin

First Known Use

circa 1935, in the meaning defined above

Time Traveler
The first known use of vitamin H was circa 1935

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Cite this Entry

“Vitamin H.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vitamin%20H. Accessed 10 Sep. 2025.

Medical Definition

vitamin H

noun
: biotin

More from Merriam-Webster on vitamin H

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