If fatigue, brain fog, or crashes make everything feel harder, strengthening the basics can make a real difference. Supporting mitochondrial function is a core piece of many Long COVID and ME CFS treatment Oxidative stress is a shared characteristic of ME CFS and Long COVID PNAS Lighting up Long Covid by Eric Topol Ground Truths Long COVID post viral chronic fatigue and affective symptoms are associated with oxidative damage, lowered antioxidant defenses and inflammation: a proof of concept and mechanism study Molecular Psychiatry Long COVID Chan Soon Shiong Institute for Medicine