bioPROZERO is the most advanced protein/recovery formula on the market, delivering the highest ratio of muscle building amino acids to starving muscle tissue. bioPROZERO contains the highest grade Cross-Flow Microfiltration Whey Protein Isolate. We do not use inferior Ion Exchange Whey, or any other lower grade proteins-PERIOD. bioPROZERO is the purest protein/recovery product you will ever use. * ADVANCED PROTEIN/RECOVERYFORMULA ZERO Fat ZERO Sugars ZERO Carbs Zero Cholesterol 5g bioREPAIR in every Scoop!