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Intravenous glutathione administration (IV glutathione), or injections

Significantly lower activities of liver SOD were observed in METH group as compared to the normal control group

doi: 10.1038/s41419-023-05716-0, 26 ChenY.LuoX.YinY.ThomasE

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In muscles, the spinal cord, and the brain, the liver enzyme glutamine synthetase converts glutamate and ammonia (a toxic byproduct) into glutamine, protecting against ammonia toxicity

Cells acquire cysteine mainly by macrophage and lymphocyte uptake, and impaired immune responses are associated with a reduction in GSH concentration (Drge and Breitkreutz, 2000