Prolab Nutrition Amino 2000™ is a potent amino acid formula containing 2000 mg of pure naturally occurring L-form amino acids per tablet scientifically proportioned to meet your nutritional needs. Athletes require greater protein intakes compared to sedentary individuals to remain in a positive nitrogen balance. A positive nitrogen balance is necessary to promote protein accretion and muscle growth. Amino 2000™ derives its protein source from the pancreatic digestion of whey a high-quality protein with a high protein efficiency ratio (P.E.R.) and a bioavailability rating higher than that of egg protein. *Amino 2000™ is prepared to ensure the highest potency freshness and maximum nitrogen availability.