X4 X4 is the next generation of protein blends providing protein fractions simlar to whole foods. No one has been able to develop a protein supplement that can match the benifits of whole food sources, Until Now! By combining 4 Unique proteins, X4 has been shown to dramaticaly decrease muscle soreness from intense resistence and cardiovascular training while increasing muscle recovery time. To further increase soluability X4 contains a patented digestive enzyme complex that allows for maximum protein utilization. X4 is simply the best protein money can buy, At much less that you would expect to pay. Sizes Available¬ 4 Pounds Flavors Available¬