The ingredient nobody's talking about but should be. Glutathione is your body's ultimate defender against oxidative stress, and most people have never heard of it. Ours has no artificial colors, Figure 1 from Lung glutathione and oxidative stress: implications in cigarette smoke induced airway disease. Semantic Scholar Oxidative Stress: Glutathione and Its Potential to Protect Methionine 35 of A Peptide from Oxidation ACS Omega Glutathione Quantification GSSG GSH Quantification Kit Oxidized Reduced Glutathione Assay Dojindo