Oxidative stress is a shared characteristic of ME CFS and Long COVID PNAS Glutathione is such a critical soldier in our line of defense that our bodies make it themselves. We even have mechanisms that recycle and reuse it. But what happens when our toxic PDF) Vitamin B status in patients with chronic fatigue syndrome Frontiers Dysregulation of lipid metabolism, energy production, and oxidative stress in myalgic encephalomyelitis chronic fatigue syndrome, Gulf War Syndrome and fibromyalgia Glutathione in Chronic Fatigue Syndrome (ME CFS) and Fibromyalgia Health Rising Astragalus polysaccharide ameliorated complex factor induced chronic fatigue syndrome by modulating the gut microbiota and metabolites in mice ScienceDirect