Foods High in Glutathione Dr. Christina Carlyle Best Foods To Boost Glutathione Boost Glutathione Naturally Foods Rich In Glutathione Glutathione is known as the master antioxidant. This critical compound protects cells from damage caused by free radicals and toxins, supports detoxification, plays a key role in DNA synthesis and repair, Mark Below are my top tips for boosting glutathione levels. Eat sulfur rich foods. Glutathione contains a sulfur chemical group, which is kind of like its secret weapon. Sulfur is a sticky,