8. Sunflower Seeds
These look tiny but only one quarter cup of these nutritious foods can offer you with 2% of Vitamin E DV, which is a strong antioxidant fighting free radicals present in your body and aids in improving the immune system. Sunflower seeds also happen to be a great source of Vitamin B1 and copper along with selenium, manganese, Vitamin B6, magnesium, folate and phosphorus. They help in better heart health, immune system as well nerve function. You can either toss them in your salad or consume them raw as snack.