Glutathione Precursors (Genestra) TMP Blog: All About Glutathione Continual G Capsule Glutathione for Food and Health Applications with Emphasis on Extraction, Identification, and Quantification Methods: A Review 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 N A C GLUTATHIONE PRECURSOR 500MG