Some superfoods that help fortify the brain may include the following. Green vegetables such as spinach, kale, broccoli, and cabbage Vitamin C-rich fruits, including oranges, kiwi, guava, strawberries, and tomatoes Walnuts and almonds Blueberries Fatty fish Dark chocolates Eggs Avocados Some seeds, including flax, chia, hemp, sunflower and pumpkin seeds Wholegrains like barley, bulgur wheat, oatmeal, and brown rice