**KALE: Benefits, Side Effects, Uses, Dosage, Warnings?** When it gets cold, then, the carbon peak season: The versatile vegetable is a good source for essential vitamins, minerals and phytochemicals. Its curative effect made you are already in the Middle Ages advantage. Above all, red cabbage, savoy cabbage, white cabbage, kale and ... . It is very rich in beta carotene , vitamin K , vitamin A , vitamin C , lutein as well as zeaxanthin . It is also rich in calcium .