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, Glutathione The Master Antioxidant With Enormous Benefits Wellness By Rosh Integrative Wellness Glutathione Deficiency: Therapeutic Target in Human Immunodeficiency Virus Infection Sulfur (S) Body & Health Importance + Top 20 Sources Sulfur metabolism mediated fungal glutathione biosynthesis is essential for oxidative stress resistance and pathogenicity in the plant pathogenic fungus Fusarium graminearum mBio