The MuscleTech Phase8 Platinum 8-Hour Protein is a unique formula combining seven protein sources, i.e., whey protein concentrate, milk protein isolate, micellar casein, calcium caseinate, whey protein isolate 97%, whey protein isolate, and hydrolyzed whey protein isolate. It delivers incredibly high doses of BCAAs, glutamine, and essential amino acids (to help you build more muscle. Yet, what makes it unique is that it contains only half the carbs and fat of the leading competitor!