Buy Best Glutathione Tablets for Skin Brightening Wellbeing Nutrition Heartburn isn't always harmless. It could be GERD. Confused between acid reflux and GERD? You're not alone. But ignoring the signs can put your health at serious risk. Know the difference: GERD: Glutathione, a key antioxidant, is sensitive to the acidic environment of the stomach, where it can degrade and limit oral absorption., While it does not directly cause increased acidity or acid Liposomal Glutathione Mark Hyman, MD