Foods With L Glutathione: Avocado, Watermelon, and More GoodRx An investigation on glutathione derived from spinach and red cabbage leaves and their effects of adding to meat patties ScienceDirect Glutathione is a powerful antioxidant made by the body that helps protect cells, support detoxification, and promote healthy, glowing skin. These foods naturally help boost and protect glutathione levels supporting skin health 10 surprising health benefits of cabbage