Critical role of cellular glutathione homeostasis for trivalent inorganic arsenite induced oxidative damage in human bronchial epithelial cells ScienceDirect Glutathione, often dubbed the master antioxidant plays a crucial role in detoxification, immune function, and protecting our cells from oxidative stress. Here are some signs that your levels might be low: Persistent Glutathione System from Cyanobacteria to Higher Eukaryotes Encyclopedia MDPI Glutathione linking cell proliferation to oxidative stress ScienceDirect Several lines of antioxidant defense against oxidative stress: antioxidant enzymes, nanomaterials with multiple enzyme mimicking activities, and low molecular weight antioxidants Archives of Toxicology Springer Nature Link