taking protein powder in proper amount will not make people fat. If you get fat after drinking protein powder, it may be the weight gain caused by overnutrition. After drinking protein powder, if the nutrients ingested by the human body are greater than the consumption and cannot be digested and absorbed by the human body, these energies will be converted into fat and stored in the body. If you gain 8 pounds in a short time, you should pay attention to the proper reduction of protein powder, supplement appropriate exercise at the same time, or stop drinking protein powder, and slowly return to the original weight.
For some fitness trainers who need to gain muscle, protein powder plays a very good role. If you take protein powder normally and have enough exercise, you won't get fat, but you can gain muscle and shape.
At the same time, people who don't need to gain weight can get enough protein from their usual diet, so they don't need to drink extra protein powder.