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 Foods With L Glutathione: Avocado, Watermelon, and More GoodRx Move over injections and supplements, these 5 foods will boost your glutathione levels Health News The Indian Express How to Take Glutathione Effectively