Protein powders are completely natural and pose no risk when used in the correct dosages.
Indeed we can say that they are really important in sports as they facilitate the correct muscle response after training. In these years, the most studied and recognized for maximum biological value are whey proteins.
These have effects not only on the muscles but really on all health in general as they are immune system enhancers.
Whey protein is produced and marketed in 3 forms:
The difference between these 3 forms is the degree of processing which makes them more or less fast in being assimilated. The concentrate is less fast, the isolate is intermediate and the hydrolyzate is very fast.