How to increase glutathione levels: 4 natural ways Glutathione is a powerful antioxidant produced naturally in the body necessary for maintaining a youthful appearance and overall well being. The body's glutathione production naturally declines with age. Certain foods may help boost Natural Ways to Boost Your Glutathione Levels (Without Expensive Supplements) Most antioxidants come from your diet. This one your body makes itself, and it's arguably the most important one you have. Glutathione supports immune function, detoxification, brain health, and digestion. The problem Skin's Glow With These Foods Rich In Glutathione ToneOpCare