Kale is amazingly nutritious, Kale contains high amounts of beta carotene (precursor of vitamin A) and vitamin C. It is also rich in minerals. The high calcium and magnesium content of kale helps in building bones and may fight against bone degeneration. Vitamin A and C are antioxidants that protect against many health ailments. The high fiber content of Kale improves the digestive health and protects the colon.