glutathione

American  

[gloo-tuh-thahy-ohn] / ˌglu təˈθaɪ oʊn /

noun

Biochemistry.

1. a crystalline, water-soluble peptide of glutamic acid, cysteine, and glycine, C 10 H 17 N 3 O 6 S, found in blood and in animal and plant tissues, and important in tissue oxidations and in the activation of some enzymes.

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glutathione British  

/ ˌɡluːtəˈθaɪəʊn, -θaɪˈəʊn /

noun

1. biochem a tripeptide consisting of glutamic acid, cysteine, and glycine: important in biological oxidations and the activation of some enzymes. Formula: C 10 H 17 N 3 O 6 S

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glutathione Scientific  

/ glo̅o̅′tə-thī′ōn′ /

1. A polypeptide consisting of glycine, cysteine, and glutamic acid that occurs widely in plant and animal tissues. It is important in cellular respiration in both plants and animals, and serves as a cofactor for many enzymes. It is a major protective mechanism against oxidative stress. For example, it protects red blood cells from hydrogen peroxide, a toxic byproduct of certain metabolic reactions.

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Etymology

Origin of glutathione

First recorded in 1920–25; gluta(mic acid) + thi- + -one

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Example Sentences

See Examples For:

glutathione

The findings indicated that the albumin carrier successfully protected the catalyst from glutathione and that the chemical reaction occurred selectively in the cancer cells under the conditions tested.

From Science Daily ● Nov. 4, 2026

It also noted scientific trials of other common, naturally-occurring vitamins that were found to increase – rather than decrease – the risk of cancer, although none of those vitamins are used in glutathione treatment.

From BBC ● Sep. 12, 2026

That’s on top of the injections Leite gives herself regularly: NAD+, which she says makes her feel energized and alleviates her brain fog, and glutathione, which is marketed for antioxidant and immune support.

From The Wall Street Journal ● Mar. 18, 2026

“Vitamin C, zinc, key lime. I do my bees and my glutathione, and then I do my black walnuts because that’s a part of helping kill the parasites in the body.”

From Los Angeles Times ● Feb. 18, 2026

Patients affected by the disease are found to also experience an imbalance of glutathione regulation, which is important for liver detoxification.

From Science Daily ● Jan. 10, 2024

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