Kale is packed with immune-boosting antioxidants like vitamins A and C. In fact, it has twice the amount of vitamin C than as an orange. It contains more calcium than milk and is also better absorbs by the body than dairy. One serving of this leafy green contains 5% of the recommended daily intake of fibre; 2 grams of protein. It contains omega-3 and omega-6 fatty acids which help with brain function, nervous system, and visual acuity. This superfood contains the essential omega fats that help to support brain function and vision. Per calorie, kale has more iron and protein than beef. Not to mention it’s also far more sustainable and cruelty-free.