glutathione covid fatigue Frontiers Molecular Mechanisms Related to Responses
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It has also been suggested (Proal and Marshall, 2018) that exercise could induce in ME/CFS patients a temporary increase in gut permeability, which in turn may induce CNS inflammation and dysfunction through the gut-brain axis (Shukla et al., 2015

But what most people dont realize is how inconsistent it can be depending on where it comes from and how its used

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Systemic effects tend to be mild and transient: headaches, nausea, dizziness, facial flushing, and drowsiness during the initial weeks as the body adjusts
