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 The 7 Best Glutathione Foods Foods Highest in Glutathione Onions contain vitamin C and B 6 which are important for the production of glutathione, a sulphur containing protein that acts as an antioxidant for the lens of the eye. Raising glutathione levels Glutathione Benefits, Uses and Best Practices Olympia Pharmacy Effect of Allium cepa (Onion) fortified feed on (A) Malondialdehyde and Download Scientific Diagram