There is some help in weight control from lean muscle mass. Fat needs about 2 kcals/day/pound to stay alive. Muscle needs something in the 20 kcals/day/pound

There is some help in weight control from lean muscle mass. Fat needs about 2 kcals/day/pound to stay alive. Muscle needs something in the 20 kcals/day/pound range to stay alive. Also, having a good amount of lean muscle mass naturally leads to a more active lifestyle in general. But these are still minor compared to basic diet.