Reagent kit for HPLC analysis of catecholamine of human, plasma, Human Superoxide dismutase SOD activity assay, kit, 500assay or test, Human Glutathione peroxidase assay, 480tests, Human Catalase assay kit, 480 tests, Human, DNA and RNA oxidative damage ELISA kit, ROS and RNS, Reactive oxygen species and Reactive nitrogen species, assay kit