A Review of Dietary (Phyto)Nutrients for Glutathione Support Dr 10 natural ways to increase your glutathione levels.! 1. Consume sulfur rich foods 2. Increase your vitamin C intake 3. Add selenium rich foods to your diet 4. Eat foods Increasing glutathione levels at home can be achieved through dietary choices, lifestyle changes, and supplements. Here are three effective ways:, 1. Dietary Sources: Include foods rich in Dietary Supplements Potentially Target Plasma Glutathione Levels to Improve Cardiometabolic Health in Patients with Diabetes Mellitus: A Systematic Review of Randomized Clinical Trials