Activity of energy, glutamate, and glutathione metabolism enzymes in blood cells of elderly patients with depression European Journal of Psychiatry New research indicates a correlation between depression and reduced levels of antioxidants in the . Specifically, studies show that individuals with depression often exhibit lower levels of antioxidant enzymes like glutathione and Selective flotation separation of molybdenite from chalcopyrite using glutathione as a green and efficient depressant: Applications and mechanisms ScienceDirect Frontiers Abnormalities of lipid metabolism in the progression and treatment of depression