I've been researching the antioxidant glutathione and having low levels of this appears to equate to severity of the illness This image may be helpful Glutathione disulfide Wikipedia Deficiency of Alveolar Fluid Glutathione in Patients with Sepsis and the Adult Respiratory Distress Syndrome CHEST Frontiers Glutathione deficiency in the pathogenesis of SARS CoV 2 infection and its effects upon the host immune response in severe COVID 19 disease The Hidden Culprit in Heart Disease: Oxidative Stress and the Role of Glutathione Ulta Lab Tests Radical approach to the acute respiratory distress syndrome