High carbs and high proteins do not go together. Most diet plans will follow a low carb and high protein diet. Proteins are the building blocks of the body and they are essential for the proper functioning. Building muscle mass is possible with the help of a high protein intake. A high carb diet will lead to fat gain and this is the last thing that you want during your diet. If you go in for car based diet then you need to be able to burn all these on a daily basis. This is not always possible and it is better to stay away from a high protein diet.