On the other hand, there are also body builders who promise to help by giving tips to people. Max Muscle xtreme And because people are lack of knowledge about Body Building, they can easily fool them. The biggest mistake people did when building muscles is to imitate pro bodybuilders. Perhaps, they believed in the saying "If you want to become a master, you should apprentice with a master". But that is not true in Body Building. Training yourself like a pro body builder won't help you build muscle. So why should you believe them? On the first place, most of them were not trained naturally. Some of them are using chemical boosters. And above all, they're genetically gifted.