Low/no carb diets have become incredibly popular..In fact, the vast majority of weight loss/get fit diets incorporate some form of extreme carbohydrate restriction. And this is for good reason, it works. Carbohydrates are by far the most usable and easily burned energy source between the three (carbs, fats, proteins). So by restricting them, we limit our bodies quick access to an energy source, thus in order to function, it forces our body to turn to fat, body fat and convert