Nowadays lots of us decide to start real sport lifestyle. How many of us do jogging in the morning before work or school? Probably hundreds, even if we don^t do any sports there are lots of people around us interested in doing sports and we can observe them jogging, riding their bikes, going to swimming pool or practicing gymnastics and so on and so forth. People feel that if their do many sports, they become much healthier and they feel at the same time much happier, because physical effort is not only something that influences our health but also it has a great impact on the way we feel generally. When we want to be a real sportsman or sportswoman we have to think also about good diet plan as our bodies need specific substances to be provided before, during and after the training. The proper nutrition is also an important matter for our health and when we eat wrong food when we do sport the efforts we put may be useless because first we need to feed our body with that proper substances that help in doing sports and regulating everything in our body. Good diet plan seems to be one of the key factor of real sport lifestyle as each fitness trainer says that proper nutrition is one of the most important factor in doing sports.