Kale is a nutritional powerhouse that boasts a long list of health benefits, including reducing the risk of cancer and heart disease. It containing antioxidants, fiber, phytonutrients, calcium, magnesium, and vitamins A, C, K, and B6. It is also a good source of the minerals copper, potassium, iron, manganese, and phosphorus. Carotenoids and flavonoids are the specific types of antioxidants associated with many of the anti-cancer health benefits. Kale is also rich in lutein and zeaxanthin, powerful nutrients that promote eye-health. Beyond antioxidants, the fiber content of cruciferous kale binds bile acids and helps lower blood cholesterol levels and reduce the risk of heart disease.