glutathione

noun

glu·​ta·​thi·​one ˌglü-tə-ˈthī-ˌōn 

: a peptide C₁₀H₁₇N₃O₆S that contains one amino acid residue each of glutamic acid, cysteine, and glycine, that occurs widely in plant and animal tissues, and that plays an important role in biological oxidation-reduction processes and as a coenzyme

Examples of glutathione in a Sentence

Recent Examples on the Web

Meanwhile, glutathione serves as an antioxidant to brighten skin, while hyaluronic acid draws in water to plump skin on the spot. —Deanna Pai, Vogue, 16 Feb. 2026

Supplement blends Many supplements combine a healthy dose of glutathione with vitamin C, milk thistle or curcumin, as these substances are known to support the body’s natural production of antioxidants. —Bestreviews, Chicago Tribune, 29 Jan. 2026

At the heart of their research is glutathione treatment. —Kara Finnstrom, CBS News, 5 Jan. 2026

Their combination of monounsaturated fats, folate, lutein, and glutathione provides a broader nutrient mix that supports brain structure, blood flow, and antioxidant defenses, said Todd. —Kathleen Ferraro, Verywell Health, 10 Dec. 2025

Word History

Etymology

International Scientific Vocabulary gluta- (from glutamic acid) + thi- + -one

First Known Use

1921, in the meaning defined above

Rhymes for glutathione

• abalone
• acrimony
• alimony
• antimony
• ceremony
• chalcedony
• cicerone
• cosmogony
• eurozone
• lithopone
• macaroni
• matrimony

Medical Definition

glutathione

noun

glu·​ta·​thi·​one ˌglüt-ə-ˈthī-ˌōn 

: a peptide C₁₀H₁₇N₃O₆S that contains one amino acid residue each of glutamic acid, cysteine, and glycine, that occurs widely in plant and animal tissues, and that plays an important role in biological oxidation-reduction processes and as a coenzyme