methionine increases glutathione and metabolism. Enzymes: (1) MAT ( S Sensing and Signaling of Methionine
Description
In CuZn superoxide dismutase gene knockout mice, overexpression of GPX4 significantly improves mitochondrial respiratory function, restores contraction strength and membrane excitability in fast-twitch muscle fibers

[10] The cytosol holds 80-85% of cellular GSH, and the mitochondria hold 10-15%
& Noctor, G
Protein disulfide isomerase
