In addition to the nutrients highlighted in our ratings chart, an in-depth nutritional profile for Kale is also available. This profile includes information on a full array of nutrients, including carbohydrates, sugar, soluble and insoluble fiber, sodium, vitamins, minerals, fatty acids, amino acids and more.t is a very good source of vitamin B6, dietary fiber, calcium, potassium, vitamin E, vitamin B2, iron, magnesium, vitamin B1, omega-3 fatty acids phosphorus, protein, folate, and niacin. For an in-depth nutritional profile click here: Kale.