Catabolism of extracellular glutathione supplies cysteine to support tumours Nature Vibrant Glutathione contains sulfur molecules, which may be why foods high in sulfur help to boost its natural production in the body. These foods include: cruciferous vegetables, such as broccoli, Sulfur Element containing metabolic pathways in human health and crosstalk with the microbiome ScienceDirect 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