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

Versed Weekend Glow Brightening Serum This daily antioxidant serum is formulated with a gentle, effective form of vitamin C that's perfect for even sensitive skin. —Thomas G. Moukawsher, Newsweek, 12 Feb. 2025

This is likely due to the high vitamin C content in the citrus fruit. —Melissa Nieves, Verywell Health, 12 Feb. 2025

Often considered the gold standard vitamin C serum, this utilizes a blend of l-ascorbic acid, ferulic acid, and vitamin E to address concerns like sagging, dullness, and pigmentation. —Kiana Murden, Vogue, 12 Feb. 2025

Studies have shown that high doses of vitamin C can benefit the good bacteria in the gut and help fight inflammation.21 Most adults need 75-90 milligrams of vitamin C daily.20 Vitamin C is found in foods like citrus fruits, broccoli, red peppers, and strawberries. —Chelsea Rae Bourgeois, Rdn, Health, 10 Feb. 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