Off course is bad...Don't use it
yeah you all are saying that because you havent tested them :D
you can use them only if you are down and your weight is less than 50kg...
this all kind off sport things are just market trick, they are not healthy if you overdose them or use to gain weight more than you have to be....
Uhh no? Protein = Amino Acids = Essential to growing/muscle development.
It's not true! Proteins and amino acids aren't same thing. Amino acids are bad, proteins like whey not.