Radiantly Slim Shark Tank You can eat as many penny of foods as you wish but if your calorie consumption is too much you will still earn weight. The good reason about paleo though is that you're eating high amounts of proteins and fiber both which usually will make you feel even more full while eating fewer calories opposed to eating extremely dense carbohydrates such as bread which usually are high in calories and requires much more to fill you up. Nevertheless with no set limitations on calories the Paleo diet may not be the best technique for weight loss.