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

After the experiment, concentrations of antioxidants (especially glutathione) were found to have increased during exposure. —Elizabeth Rayne, ArsTechnica, 19 Apr. 2025

Rich in vitamin C and may help boost glutathione levels Eggs: Contain the amino acid cysteine that the body uses to produce glutathione Nuts: Include the essential mineral selenium that can bolster glutathione production A Word From Verywell Taking steps to prevent a hangover is key. —Cristina Mutchler, Verywell Health, 10 Apr. 2025

At high doses or when combined with other drugs, the liver is no longer able to produce enough glutathione to neutralize all the NAPQI, leading to inflammation, oxidative stress and, ultimately, liver failure. —Ella Jeffries, Smithsonian Magazine, 28 Mar. 2025

To protect itself from its own mitochondria, the cell produces an antioxidant called glutathione. —Viviane Callier, Quanta Magazine, 21 Mar. 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