An investigation on glutathione derived from spinach and red cabbage leaves and their effects of adding to meat patties ScienceDirect An investigation on glutathione derived from spinach and red cabbage leaves and their effects of adding to meat patties ScienceDirect Free radicals are molecules that can damage your cells and cause problems, including liver disease. Leafy greens like spinach have a powerful antioxidant called glutathione, which can protect against free radicals and 15 Glutathione Benefits: How to Improve Your Mind & Body