Although the antioxidant glutathione is linked to cancer, this new research you should stop eating antioxidant rich whole foods. Eating a balanced diet with fruits and vegetables is important. It Glutathione Deficiency Symptoms: Is Poor Sleep Just the Beginning? Cardiology & Neurology Specialists located in Queens, Forest Hills and Brighton Beach, Brooklyn, NY Advanced Medical Care 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, smelly molecule Eat These Foods to Increase Glutathione in Your Body Vitality Medical Wellness Center