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: pharmacological aspects and implications for clinical use Geriatric Care Glutathione Benefits for Gut Health Nikki Yelton RD