A locally activatable sensor for robust quantification of organellar glutathione Nature Chemistry Continual G Capsule What is glutathione? Know as the most important antioxidant in the body, glutathione is an essential antioxidant manufactured in all cells, but primarily in the liver. It is essential because it NAC [N AcetylCysteine] is a precursor of Glutathione. PICTURE: Glutathione is made from three amino acids and cysteine is one of them 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 PDF] Thimerosal neurotoxicity is associated with glutathione depletion: protection with glutathione precursors. Semantic Scholar