Frontiers Molecular Mechanisms of Glutamate Toxicity in Parkinson's Disease Glutathione is such an important antioxidant in human physiology, meaning it acts to combat oxidative stress. Strategies for increasing glutathione include: Consume sulfur rich foods like cruciferous vegetables Ensure you get What is Glutathione? GoldBio Glutathione and glutamate in schizophrenia: a 7T MRS study Molecular Psychiatry