The Effect of Glycine and N Acetylcysteine on Oxidative Stress in the Spinal Cord and Skeletal Muscle After Spinal Cord Injury Inflammation Springer Nature Link Glycine as a conditionally essential amino acid and its relationship to l serine Metabolism Clinical and Experimental Glutathione Synthase an overview ScienceDirect Topics 15: Glycine Metabolism Amino Acid Metabolism Biochemistry N'JOY Biochemistry 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