Antioxidant Strategies for Age Related Oxidative Damage in Dogs Below are my top tips for boosting glutathione levels. Eat sulfur rich foods. Glutathione contains a sulfur chemical group, which is kind of like its secret weapon. Sulfur is a sticky, smelly molecule Foods rich in glutathion (antioxidant) 14 Cholesterol Lowering Foods to Add to Your Diet Dr. Axe How to increase glutathione levels: 4 natural ways Glutathione is such an important antioxidant in human physiology, meaning it acts to combat oxidative stress. Strategies for increasing glutathione include: Consume sulfur rich foods like cruciferous vegetables Ensure you get