Advances in Clinical and Experimental Medicine Catabolism of extracellular glutathione supplies cysteine to support tumours Nature Glutathione Depletion and Stalwart Anticancer Activity of Metallotherapeutics Inducing Programmed Cell Death: Opening a New Window for Cancer Therapy ACS Omega 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 A study shows that the antioxidant glutathione feeds cancer cells Application of glutathione depletion in cancer therapy: Enhanced ROS based therapy, ferroptosis, and chemotherapy ScienceDirect