Role of Glutathione in Cancer: From Mechanisms to Therapies Antioxidant serves as an unexpected food source for tumors, scientists discover 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 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 JCI Dual targeting of the thioredoxin and glutathione systems in cancer and HIV