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Then, samples were diluted with a solution containing phosphate buffer (0.01 mol/L monobasic potassium phosphate/dibasic potassium phosphate, pH 6.85) containing sodium dithionite, and after 10 min at room temperature, absorbance was measured at 420 and 432 nm against a matched curve containing only buffer [21]

It is good when taken together since vitamin C enhances the effectiveness of glutathione

This process is inherently "leaky," naturally producing small amounts of ROS

Subsequently, research from the 1980s and 1990s consistently found that suppression of melatonin via continuous light exposure increased susceptibility to chemically induced mammary tumors, while exogenous melatonin conferred protective effects 47,48,49,50,51