Oxidative stress, the bloodbrain barrier and neurodegenerative diseases: The critical beneficial role of dietary antioxidants ScienceDirect Neuronal glutathione loss leads to neurodegeneration involving gasdermin activation Scientific Reports Diseases Linked to LOW GLUTATHIONE Glycine and N acetylcysteine (NAC) are amino acidbased nutrients that serve as precursors for glutathione, one of the body's most important intracellular antioxidants. Glutathione plays a central role in reducing oxidative stress, supporting