Supplementation with a combination of glycine and N acetylcysteine (precursors to glutathione) improved glutathione levels, oxidative stress, mitochondrial function, muscle strength, exercise capacity, cognition in older individuals. The supplement Effects of N acetylcysteine, oral glutathione (GSH) and a novel sublingual form of GSH on oxidative stress markers: A comparative crossover study. ScienceDirect NAC vs Glutathione: Comparing Antioxidant Powerhouses for Your Health IVDrips A new opportunity for N acetylcysteine. An outline of its classic antioxidant effects and its pharmacological potential as an epigenetic modulator in liver diseases treatment Naunyn Schmiedeberg's Archives of Pharmacology Springer Nature Is N Acetylcysteine (NAC) Effective as Psychiatric and Neurological Treatment? Where Does the Evidence Lie? The Mechanism and Inflammatory Markers Involved in the Potential Use of N acetylcysteine in Chronic Pain Management