Glutathione Injections Cost and Are They Worth It? Kosmoderma 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 Oral supplementation with liposomal glutathione elevates body stores of glutathione and markers of immune function European Journal of Clinical Nutrition 15 Glutathione Benefits: How to Improve Your Mind & Body