Yes, it is 100% necessary that you follow up on the fat burners with some sort of diet and exercise. These in itself don’t work or will take a lot of time to work. So, coping the same with some sort of diet or exercise helps amp up the speed of the results, enabling you to lose weight a lot faster than normal. Just ensure that you eat healthily and eat a balanced diet. At the end of the day, that is what matters. If you don’t eat well, the same will more or less reflect on your health.