vitamin H

noun

: biotin

Examples of vitamin H in a Sentence

Recent Examples on the Web
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Originally called vitamin H, biotin has been recognized as a micronutrient since 1927. Sarah Garone, Health, 22 Dec. 2023 Biotin, also known as vitamin H, plays an important role in the health of our hair, skin, and nails. 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 7 Jul. 2026.

Medical Definition

vitamin H

noun
: biotin

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