nac or reduced glutathione The Antioxidant Role of and N-Acetyl-Cysteine Supplements and Exercise-Induced Oxidative Stress Should You Pick NAC or
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[DOI] [PubMed] [Google Scholar] 220.Gong P, Hu B, Cederbaum AI

Furthermore, administration of MSG induced oxidative stress in adult Wistar rats and causes some undesirable effects on the liver at higher doses (45)

Abnormalities of blood selenium and glutathione peroxidase activity in patients with acquired immunodeficiency syndrome and aids-related complex

Both are generally considered safe for long-term use at standard supplementation levels
