Optimum Nutrition HydroWhey Protein Chocolate 820gPlatinum Hydrowhey is the most advanced whey protein we've ever developed. In a word: Excellence. By hydrolyzing whey protein isolates to break larger proteins down into smaller pieces, these ultra pure whey isolates are able to get into your system rapidly, enabling your muscles to start recovering from heavy training. We've dialed up this ultra pure and rapidly digesting formula with added micronized Branched Chain Amino Acids (BCAAs).