What Happens to Your Body When You Drink Watermelon Juice Regularly Top 8 Glutathione Rich Foods For Glowing & Healthy Skin 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 4uMLihz It has always been the easiest fruit to overlook. Watermelon, long associated with summer and hydration, is now being revisited through a scientific lens and the findings are quietly compelling. Studies Watermelon: Health benefits, nutrition, and risks