Kale is a surefire bona fide superfood in its own right! Kale is packed with vitamins and minerals. It contains protein, fiber, Vitamin A, C, and K! There's also B Vitamins, Omega 3's, and powerful antioxidants. Kale even promotes regularity as well as iron absorption. Dark leafy greens have a very high level of nutrients that are anti-aging. Eating Kale raw will get you the highest mineral content possible.