Because those professional bodybuilders take illegal drugs, it is impossible to build such exaggerated muscles without taking drugs.
You know, Mr. Olympia, why can't you take part in the Olympic Games? Because they don't have drug tests.
In the United States, there is a bodybuilding competition with drug testing, which is called natural bodybuilding competition. However, natural bodybuilding champions have almost no muscle size.
You can stop taking medicine, but you'll never be a champion. If you take medicine, it will be harmful to your health.
Professional bodybuilders in our country also take medicine. Someone once said that taking medicine does not necessarily make you a champion. However, you can't be a champion without taking medicine.