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 Depletion and Stalwart Anticancer Activity of Metallotherapeutics Inducing Programmed Cell Death: Opening a New Window for Cancer Therapy ACS Omega Catabolism of extracellular glutathione supplies cysteine to support tumours Nature Multifaceted Roles of Glutathione and Glutathione Based Systems in Carcinogenesis and Anticancer Drug Resistance Elie Hatem, Nadine El Banna, Meng Er Huang, 2017