Watermelon isn't just a refreshing treat. When it's ripe, it's also got plenty of an antioxidant called glutathione. It strengthens the immune system, so it can fight infection. https: wb.md 44VWazS Watermelon isn't just a refreshing treat. When it's ripe, it's also got plenty of an antioxidant called glutathione. It strengthens the immune system, so it can fight infection. https: wb.md 44VWazS How Does Fasting Affect Glutathione Levels in The Body Role of Glutathione Ascorbate Cycle and Photosynthetic Electronic Transfer in Alternative Oxidase Manipulated Waterlogging Tolerance in Watermelon Seedlings