Many dieters tend to go to the gym hungry, believing that this will help them burn more fat. This practice is based on the notion that when we are hungry, the body is forced to use its fat stores in order to find the energy that is needed during exercise. But although this sounds plausible, existing studies show that exercising on an empty stomach not only doesn’t provide any benefits, but it may even have an opposite effect. One of these studies, published in the “Strength and Conditioning Journal”, concluded that exercising on an empty stomach burns about the same amount of fat as exercising after having eaten a meal or a snack. In fact, exercising on an empty stomach may even make the trainees more likely to lose muscle mass or work out less intensely because they may feel weak. This means that they will actually burn fewer calories during exercise. One of these studies showed that approximately 10% of calories burned during fasting came from muscle mass.