niacinamide

noun

ni·​a·​cin·​amide ˌnī-ə-ˈsi-nə-ˌmīd How to pronounce niacinamide (audio)
: a compound C6H6N2O of the vitamin B complex found especially as a constituent of coenzymes and used similarly to niacin

called also nicotinamide

Examples of niacinamide 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.
In terms of hydrating skin-care ingredients, hyaluronic acid, glycerin, and niacinamide are just the tip of the iceberg. Jennifer Hussein, Allure, 6 Apr. 2025 For me, the rise of stress-adaptogenic skincare ingredients—such as ashwagandha and niacinamide—underscores the growing understanding of the skin-mind connection. Wayne Liu, Forbes.com, 3 Apr. 2025 As stated, niacinamide does offer similar benefits. Caroline C. Boyle, USA Today, 27 Mar. 2025 This creamy serum is packed with ingredients our experts recommend—hydrating hyaluronic acid, plumping peptides, strengthening ceramides, and calming niacinamide, to name a few. Jessica Kasparian, SELF, 28 Feb. 2025 See All Example Sentences for niacinamide

Word History

First Known Use

1942, in the meaning defined above

Time Traveler
The first known use of niacinamide was in 1942

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Cite this Entry

“Niacinamide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/niacinamide. Accessed 13 Apr. 2025.

Kids Definition

niacinamide

noun
ni·​a·​cin·​amide ˌnī-ə-ˈsin-ə-ˌmīd How to pronounce niacinamide (audio)
: a compound of the vitamin B complex that is used like niacin

Medical Definition

niacinamide

noun
ni·​a·​cin·​amide ˌnī-ə-ˈsin-ə-ˌmīd How to pronounce niacinamide (audio)
: a bitter crystalline basic amide C6H6N2O that is a member of the vitamin B complex and is formed from and converted to niacin in the living organism, that occurs naturally usually as a constituent of coenzymes, and that is used similarly to niacin

called also nicotinamide

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