Rivalus Rival Whey Protein Powder Blend is highly digestible, rich in all the essential amino acids (including the three BCAAs) and has a thin consistency that is exceptionally drinkable. Made with 100 percent whey protein. Rivalwhey's 100 percent whey protein recipe blends high-purity whey isolate (primary protein source, BTW), ultra-filtered whey concentrate and speedy whey hydrolysate to provide an exceptional balance of clean macros, great taste, unsurpassed quality and bang for your hard-earned buck. This chocolate peanut butter flavour protein powder blend comes in 5 pound jar.