Most antioxidants come from your diet. This one your body makes itself, and it's arguably the most important one you have. Glutathione supports immune function, detoxification, brain health, and digestion. The problem Here's What Happens When You Eat Kale Every Day, According to Registered Dietitians Why Glutathione Production Is Important And How To Help Support It Thorne The Protect Glutathione: Oxidative Stress & Immunity Booster For Youth PDF) Kale Extract Increases Glutathione Levels in V79 Cells, but Does not Protect Them Against Acute Toxicity Induced by Hydrogen Peroxide