vitamin C

noun

: a water-soluble vitamin C₆H₈O₆ found in plants and especially in fruits and leafy vegetables or made synthetically and used in the prevention and treatment of scurvy and as an antioxidant for foods

called also ascorbic acid

Examples of vitamin C in a Sentence

Recent Examples on the Web

Five percent vitamin C and fellow antioxidants acetyl zingerone (derived from ginger) and algae extract protect skin and work to brighten up dark spots, while the combination of glycerin, castor oil, and dimethicone lock in hydration without feeling greasy. —Emily Orofino, Vogue, 22 Jan. 2025

Food sources of vitamin C include citrus fruits, tomatoes, potatoes, red and green peppers, kiwi, broccoli, strawberries, and cantaloupe. —Jonathan Purtell, Verywell Health, 19 Jan. 2025

The protocol includes glutathione, liposomal vitamin C (2,000-4,000 mg), NAC (600 mg, three times per day) and vitamin D3 (5,000-10,000 iu) with vitamins A and K2. —Jessica Ourisman, Forbes, 18 Jan. 2025

How to apply vitamin C serum Does vitamin C serum expire? —Sarah Y. Wu, Glamour, 16 Jan. 2025

Word History

First Known Use

circa 1920, in the meaning defined above

Kids Definition

vitamin C

noun

: a vitamin that is present especially in citrus fruits, tomatoes, and green vegetables and is needed by the body to prevent scurvy

called also ascorbic acid

Medical Definition

vitamin C

noun

: a water-soluble vitamin C₆H₈O₆ found in plants and especially in fruits and leafy vegetables or made synthetically and used in the prevention and treatment of scurvy and as an antioxidant for foods

called also ascorbic acid