Did you know? Garlic is high in sulfur compounds that help increase levels of glutathione. This antioxidant is part of your body's first line of defense against stress. For more details, visit 15 Science Backed Benefits of Garlic Capsules Dulwich Health 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 The Glutathione Buyer's Guide: What You Should Look For In a Glutathio Glutathione: Benefits and Supplements