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

As glutathione, niacinamide, and vitamin C help brighten, ingredients like cica and beta glucan work to calm and hydrate, making this serum a well-rounded formula for any skin-care routine. —Emily Orofino, Vogue, 19 Nov. 2025

Your liver relies on amino acids from protein — like glycine, cysteine and glutamate — to make glutathione, your body’s master antioxidant. —Lauren Mallers, Sacbee.com, 8 Oct. 2025

Of 255 clinic websites analyzed, more than half offered IV hydration therapy touting therapies like magnesium for headaches and muscle cramps, glutathione as a potential immune system booster, or other substances advertised to increase energy. —Erika Edwards, NBC news, 6 Oct. 2025

Compounds such as glutathione, coenzyme Q10 and resveratrol have been shown in studies to reduce gum inflammation and improve markers of oxidative stress. —Ximena Araya-Fischel, Forbes.com, 4 July 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