It's not a problem to drink protein powder if you don't exercise. Just don't misunderstand one thing, that is, protein's absorption and digestion is the work of the small intestine, which is converted into amino acids before going to the kidney, so protein powder won't hurt the kidney. It's just that if you don't exercise, if your body absorbs too much protein, you don't have to worry, it will be excreted in the form of foam, that is, it will be wasted. This is the so-called kidney burden. No matter what you eat, it will eventually be transformed into nutrients that the body needs, and then it is the turn of the kidneys to work, either absorbing or excreting. Just like you pee when you drink water, it's a burden on your kidneys. Is it difficult to never drink water?