Although contains almost half of soy isolate, but this is perfectly OK because it is very well absorbed by the body as opposed to whites. The composition of the MK protein is unique for the price. I reach over and over again to diesm product and would recommend it for ambitonierte athletes warmly. Who, of course, pure whey protein searches have to look at a higher-priced category. However, for mass building the mammoth is more than adequate.