PUMP-HD is the premier PRE-WORKOUT MUSCLE BUILDER, formulated with well-researched, trialed and tested ingredients proven to build muscle and increase exercise performance. Combine this with the strongest PRE-WORKOUT ENERGY SYSTEM on shelves today, for explosive workouts unlike anything you've ever experienced. PUMP-HD contains THE clinically tested form of BETA-ALANINE, CarnoSyn, which has been shown in groundbreaking research to be the gold standard for improving performance, power, stamina, and endurance. CarnoSyn works as a lactic acid buffer, reducing fatigue and increasing exercise capacity. In short it allows you to train harder and longer. In fact, research shows that each dose of CarnoSyn literally builds on the dose before, and that performance continues to increase with ongoing use. PUMP-HD also contains ORNITHINE AKG for its pro-anabolic and anti-catabolic effects. CREATINE MONOHYDRATE the most researched muscle building supplement on the planet. LEUCINE for stimulating protein synthesis, pump and vascularity instigating profile unlike any other. To complete this lean muscle building formula we've added an advanced ELECTROLYTE blend to rehydrate and refresh for maximal muscle output.