The reason some people stay sick despite treatment often comes down to one molecule. Glutathione is the most abundant antioxidant inside your cells. It protects mitochondria, recycles other antioxidants, and repairs 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 Glutathione peroxidase 1 and neuromodulation: Novel potentials of an old enzyme ScienceDirect Glutathione Metabolism of the BrainThe Role of Astrocytes Dringen 2025 Journal of Neurochemistry Wiley Online Library Potentiation of glutathione loss and nerve cell death by the transition metals iron and copper: Implications for age related neurodegenerative diseases ScienceDirect