Kale has a mild, sweet flavor similar to other brassicas. It has been known for a long time that kale is one of the most nutrient dense greens available. That is why people call it a superfood. Numerous scientific studies have shown that kale has the potential to lower bad cholesterol which can reduce the risk of heart disease. Kale contains carotenoid antioxidants in high concentrations and is high in Vitamin A, Vitamin B6, Vitamin C, Vitamin E, and Vitamin K. Kale is also a great source of calcium, copper, manganese, iron, magnesium, phosphorus, potassium, zinc, carotene, chlorophyll, amino acids, and antioxidants.