What is Kale? Kale is a highly nutritious, leafy, and dark green plant food that has been commonly found in most of Europe since Roman times and it is extremely rich in vitamins A, K, B6, and C, and contains minerals like calcium, potassium, copper, and manganese. Kale is known to be a very diabetes-friendly vegetable because one cup of raw kale contains only 33 calories and … [Read more...] about Kale: Health Benefits, Nutritional Value, and Diet