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 Oxidative stress, the bloodbrain barrier and neurodegenerative diseases: The critical beneficial role of dietary antioxidants ScienceDirect Glutathione in the Brain The role of glutathione peroxidase 4 in neuronal ferroptosis and its therapeutic potential in ischemic and hemorrhagic stroke ScienceDirect Glutathione S transferase: A keystone in Parkinson's disease pathogenesis and therapy ScienceDirect Neuronal glutathione loss leads to neurodegeneration involving gasdermin activation Scientific Reports