100% Whey Protein + Muscle Builder, Protein Powder + Creatine is the most powerful protein formula ever developed. It is a scientifically engineered whey plus isolate lean muscle builder formula designed for more muscle, more strength and better performance. In a 6-week, double-blind study involving the core ingredients of Whey Protein + Muscle Builder, subjects gained 70% more lean muscle than those using regular whey  and increased their bench press more