This study showed that dealcoholized red wine (DRW) reduced periapical lesion size and improved antioxidant status in rats with apical periodontitis. DRW increased glutathione levels and maintained healthy red blood cell parameters, Formation of novel GSH tannin adducts during red wine aging: Detection and identification using targeted mass spectrometry ScienceDirect Little to be gained by the addition of pure glutathione before or during fermentation Wine Australia What To Avoid When Taking Glutathione? Intelligent Labs