8 Ways to Boost Glutathione 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 Without supplements how to Boost Glutathione Naturally , Eat Almonds: According to research, consuming 83 grams of almonds daily has been shown to increase glutathione levels in cells while reducing Boost Glutathione for Better Health and Brighter Skin InVita Wellness Natural Ways to Increase Your Glutathione Levels