Pentose Phosphate Pathway (PPP), Purine and Pyrimidine Metabolism Cell Biology, Genetics, and Biochemistry for Pre Clinical Students Item Scheme showing the enzymatic reactions that catalyze the pyruvate dehydrogenase complex, including pyruvate dehydrogenase activity and diaphorase activity of DLD (A) as well as the glutathione reductase peroxidase activity (B). Glutathione in Plants Science The role of ROS in exercise mediated WAT browning. Exercise causes oxidative stress in skeletal muscle and reduces the level of GSH. GSH provides electrons for glutathione peroxidase (GPXs), which eliminates H2O2. Reducing Antioxidant Potential of Glutathione and Crosstalk with Phytohormones in Enhancing Abiotic Stress Tolerance in Crop Plants The effectiveness of compound X is often dependent on the presence of compounds Y and Z and so on. Endogenous compounds like glutathione get much commercial attention but they do not work