niacinamide

noun

ni·​a·​cin·​amide ˌnī-ə-ˈsi-nə-ˌmīd 

: 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

Meanwhile, niacinamide and vitamin E work together to help deeply condition lashes, preventing future breakage. —Conçetta Ciarlo, Vogue, 14 Feb. 2025

Other offerings include a serum concealer, blush, bronzer and illuminating sticks and liquid eye shadow, infused with ingredients such as caffeine, kojic acid, argan oil, vitamin E and niacinamide. —Noor Lobad, WWD, 11 Feb. 2025

Super Serum Body Wash contains a concentrated serum with beta hydroxy acid to gently exfoliate, plus collagen peptide, niacinamide and vitamins C and E. The result: brighter, hydrated, firmer, smoother and more even skin from the neck down. —Jackie Fields, People.com, 1 Feb. 2025

My routine is rich in niacinamide sunscreen, hyaluronic acid and ceramide cream, but no key antioxidant vitamins. —Essence, 7 Jan. 2025

Word History

First Known Use

1942, in the meaning defined above

Rhymes for niacinamide

• acrylamide
• procainamide
• sulfonamide
• sulphonamide
• acetazolamide
• polyacrylamide
• amide
• nicotinamide
• sulfanilamide

Kids Definition

niacinamide

noun

ni·​a·​cin·​amide ˌnī-ə-ˈsin-ə-ˌmīd 

: 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 

: 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