Glutathione is nicknamed the master antioxidant because it is the most abundant, body produced (endogenous) antioxidant found in every cell, essential for neutralizing free radicals, recycling other antioxidants (like Vitamin C and E), Glutathione System from Cyanobacteria to Higher Eukaryotes Encyclopedia MDPI Figure 1 from The role of glutathione in photosynthetic organisms: emerging functions for glutaredoxins and glutathionylation. Semantic Scholar Glutathione Depletion in Mitochondrial Diseases Glutathione Reporter Glutathione Supports antioxidant activity and cellular protection Supports normal detoxification processes Supports immune system function Supports cellular and mitochondrial health Supports overall wellness and recovery from oxidative stress A locally activatable sensor for robust quantification of organellar glutathione Nature Chemistry