That's not true. Suitable for fitness enthusiasts, athletes, pregnant women and lactating mothers, growing children, patients recovering after surgery, and people with nutritional deficiency. Whey protein is not only easy to digest, but also has high raw material price, high efficiency, high protein efficiency ratio and high utilization rate. It is a fine product in protein. It contains all the essential amino acids needed by human body, and its amino acid composition pattern is almost exactly the same as that in skeletal muscle, so it is easily absorbed by human body.