Glutathione Precursors ad Nutrient spotlight: glutathione function top food sources testing my fav supplement @pureencapsulations Always check with your licensed nutritionist or healthcare provider before adding nutrition supplements. These statements have not been File:Amino acid synthesis01 a ketoglutarate family.png Wikimedia Commons 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