Endurance and recovery formula. Increase endurance, build muscle burn fat, and recover faster. ReGen the Science: Contains Agamatine Sulfate, Citruline Malate, Pyridoxine Hydrochloride and BioPerine that allow for increased efficiency in the absorption of Leucine, Isoleucine and Valine. Scientifically engineered for maximum biovilability. Packed with electrolytes for maximum replenishment. Mixes well.