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Standard reduced glutathione requires weeks of supplementation to see significant increases in glutathione levels

45 Although the role of each individual ROS cannot be investigated in vivo in humans, and, although superoxide anion and ONOO are the best characterized ROS, the possible role of other oxidant compounds such as hydrogen peroxide (the dismutation product of superoxide anions) and hypochlorous acid, which cannot be considered as free radicals but have a powerful oxidizing capacity, also needs to be mentioned

(AIs are established when there is insufficient information to determine EARs and RDAs.) For children ages 113 years, the RDA increases with age from 0.9 to 1.8 g/day

Zhang, W., Qu, J., Liu, G