Scientifically speaking, though, there is no official definition of a superfood, other than to say it is is a food that offers high levels of desirable nutrients, linked to promoting personal health and wellness or preventing disease and sickness.
Berries: Fiber and antioxidants
Fish: Contain protein and omega-3 fatty acids
Leafy greens: Vitamin A, vitamin C, calcium and fiber
Nuts: Protein and monounsaturated fats
Olive oil: Vitamin E and monounsaturated fatty acids
Whole grains: Fiber, B vitamins and minerals
Yogurt: calcium, protein and probiotics
Cruciferous vegetables, like broccoli and kale: Fiber and vitamins
Legumes, like black beans and chickpeas: Fiber and protein
Tomatoes: Vitamin C and lycopene
Fish: Contain protein and omega-3 fatty acids
Leafy greens: Vitamin A, vitamin C, calcium and fiber
Nuts: Protein and monounsaturated fats Olive oil
Vitamin E and monounsaturated fatty acids
Yogurt: calcium, protein and probiotics
Cruciferous vegetables, like broccoli and kale: Fiber and vitamins