Gaining muscle is always about providing your body with the essential amino acids needed to build dense thick hard slabs of beef. Would you build a skyscraper with chopsticks? Heck no! So if you want to build a muscular physique, you need to drink Protein Rush™!. With 40 grams of the highest quality hypertrophy producing proteins, VPX has done it again with Protein Rush™! With a fast-acting protein like whey protein, Protein Rush™! is guaranteed to get the essential amino acids into your system fast for dramatic muscle building. And with the slow-acting protein casein, VPX has added the anti-catabolic dimension to insure that your muscles are fed throughout the day! Protein Rush™! - For Maximal Anabolism morning, noon, and night!