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

The formula also provides skincare and wellness benefits with niacinamide to support the skin barrier and ashwagandha to calm nerves. —Bea McMonagle, Forbes, 28 Feb. 2025

Key ingredients: Triple hyaluronic acid, niacinamide | Size: 1 fl. oz. —Brigitt Earley, Glamour, 27 Feb. 2025

Its secret lies in its ingredient list: vitamin C, tranexamic acid, and niacinamide. —Iman Balagam, Vogue, 24 Feb. 2025

Along with niacinamide, this gel cleanser also contains kale and green tea extracts, both of which are rich in tone-evening antioxidants (hi, vitamin C). —Lauren Dana Ellman, Allure, 15 Feb. 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