Creatine, protein powder, nitrogen pump and branched chain are not medicines, but tonics! After the nutrition in the diet is not up to standard, it is used to supplement the nutrition needed for muscle growth, which belongs to the category of natural fitness. Drugs are generally used for injection. Those bodybuilders and most athletes on the Internet basically use it. There is basically no need to use drugs during the game. The power of drugs is unexpected to most people. Don't think that as long as you train hard, have proper nutrition and rest, you can really get stronger, and the effect is far less than that of an injection. The difference between occupation and hobby.