Green kale is a nutritious vegetable, rich in vitamins, minerals, dietary fiber, a variety of trace elements and other nutrients. Green kale also contains special organic compounds - indole compounds, known by scholars as cancer inhibitors.

Purple kale contains large amounts of vitamin C, vitamin E and B vitamins, as well as rich antioxidant substances such as anthocyanins and sulfides. These substances help scavenge free radicals from the body, boosting immunity and promoting health.