Every time you exercise your body generates oxidative stress as a natural byproduct of muscle contraction and energy production. At moderate levels that is a healthy signal. But when exercise intensity exceeds Ask the Doctors What do glutathione supplements do? UCLA Health what happens when you stop taking glutathione Patchmd Your immune system isn't supposed to be in constant overdrive Glutathione = your body's master antioxidant It helps calm inflammation, support detox, and bring your immune system back into balance ( Glutathione deficiency and heart failure: a systematic review of human and animal evidence ScienceDirect