Is exercising allowed, That is the real trick. In fact anyone can lose a few kilos with any calorie-restricted diet. But these diets that bring quick results are not very effective in the long term; there are better ways to lose weight effectively.
Maintaining a lean body, fit and energetic requires more than swallowing a pill or buy the latest weight-loss diet system. If it were that simple we would all models and athletes. Although many models may have genes that favor its development, also strive to stay in shape. I guess you can say that we should follow the example of the models.