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 Mercury induced excitotoxicity in autism spectrum disorder: disruption of glutamatergic homeostasis and the therapeutic role of the selenium glutathione axis BioMetals Springer Nature Link 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 How to Take Glutathione Effectively: Dosage & Tips Selenium Benefits for Health, Plus Dosage Recommendations: Southwest Family Medicine Associates: Family Medicine