Various studies have shown that spinach consumption is an important food source in preventing cancer. It is believed that the antioxidants in spinach such as glutathione and alpha-lipoic acid play a role in cancer prevention. In addition, lutein, zeaxanthin, and
beta-carotene are carotenoids present in spinach that are important players in your body’s anticancer defense.
Foods That Fight Cancer - Dark Leafy Vegetables