Mark 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, 7 Foods Rich In L Glutathione that You Must Eat NOW! Which foods are highest in glutathione ? Top 15 Glutathione Rich Foods: Health & Detox Benefits 7 Natural Ways to Get Glutathione Lifezen Healthcare Food rich in glutathione: broccoli, cauliflower, banana, spinach, carrot, orange, avocado, onion, nuts. Glutathione is an antioxidant; helps make proteins in the body; has a variety of health benefits Stock Photo