These things are better when used together, mainly to provide a good hydration environment for muscles and provide synthetic raw materials to promote muscle growth. In fact, carbohydrates are still lacking. Actually, amateur practice is really unnecessary. Eating well, training scientifically and arranging rest reasonably are better than anything else. Moreover, the intensity of muscle training is too great, which is a burden to many functions and organs of the body. For example, big muscles and heavy burden on the heart. To put it more simply, the muscles around the shoulders are over-developed, and it is very likely that you can't touch your back when you take a shower. ...