Oxidative stress in diabetes [13]. Figure 2: Medicinal plants and their Download Scientific Diagram Frontiers Glutathione deficiency in the pathogenesis of SARS CoV 2 infection and its effects upon the host immune response in severe COVID 19 disease Supplementation with l glutathione improves oxidative status and reduces protein nitration in myenteric neurons in the jejunum in diabetic Rattus norvegicus ScienceDirect Glutathione prevents chronic oscillating glucose intake induced cell dedifferentiation and failure Cell Death & Disease Glutathione for Type 2 Diabetes: How It Restores Immunity