Skipping breakfast may be better than eating unhealthy foods first thing in the morning. A nutritious, well-balanced breakfast containing fruit, gives you energy and prevents you from eating too much during the rest of the day. Fruit is very filling due to its high fibre and water contents. All types of fruit contain vitamins, potassium, fibre and are relatively low in calories. Citrus fruits are very high in vitamin C, one large orange providing more than 100% of the recommended daily intake.