What is glutathione and why must we protect patient access to it? Changes in levels of the antioxidant glutathione in brain and blood across the age span of healthy adults: A systematic review ScienceDirect Brain health depends on balance. From energy production to antioxidant protection and immune regulation, multiple systems work together to support how the brain functions. Glutathione plays a central role in maintaining Frontiers Exploring brain glutathione and peripheral blood markers in posttraumatic stress disorder: a combined [1H]MRS and peripheral blood study The Protective Role of Glutathione on Zinc Induced Neuron Death after Brain Injuries The Protective Role of Glutathione on Zinc Induced Neuron Death after Brain Injuries