No food is nutritious? This question is not easy to answer, because each of the fruits or vegetables we eat contains some nutrients. But some foods are so high in nutrients that they have become known as superfoods. Regular consumption of these nutritious foods improves the overall health of the body and the disease is far away.Researchers in the United Kingdom have listed some of these foods in their study. This report discusses some of the most nutritious foods in the world in the light of science.Almonds and walnuts: These two nuts are at the top of the list of the most nutritious foods. The best source of fatty acids. Improves heart and blood vessel health.Ataphal: Ataphal is on the second list of the most nutritious food. It contains sugar, vitamin A, vitamin C, vitamin B1, vitamin B2 and potassium.Different types of marine fish: marine koi or poya fish, cod fish, blue fins tuna is one of the most nutritious food. It is also suitable for a variety of salmon, eel, marine chital or flat fish.Chia Seed or Flax Seed: Chia seeds have been one of the most popular nutritious superfoods for the last few years. These small black seeds are rich in omega-3 fatty acids and fiber.Sweet pumpkin and seeds: Sweet pumpkin and its seeds are a good source of iron and manganese. Both raw and ripe sweet pumpkins are rich in nutrients. Its seeds also contain anti-inflammatory ingredients and high levels of zinc.