According to research, foods such as leafy greens, berries, beans, lentils, seeds, fatty fish, citrus fruits, and carrots may help you to maintain optimal blood pressure levels. So for a healthy breakfast, you can opt for fresh, seasonal fruits instead of cereal. Fruits are packed with many essential vitamins, minerals, fibers and carbohydrates and will also add a natural sweet flavour to your breakfast. Eggs make a simple, nutritious breakfast choice. They are an excellent source of protein and help you keep feeling full for a long time. Another healthy option is oatmeal. Oats are a good source of iron, B vitamins, manganese, magnesium and zinc.