The amount of calories your body requires on a daily basis is largely determined by your metabolism and sport activities. In general, if you have a caloric surplus, i.e. eat more than your body needs, you will gain weight. A caloric deficit on the other hand leads to weight loss. With age, the metabolic rate slows down which means fat is gained more easily. Our cardio workout can increase your metabolism by 300-500 kcal, i.e. your body burns an additional 300-500 kcal every day!