MusclePharm? BCAA 3:1:2? offers a unique patent-pending ratio?3 Leucine, 1 Isoleucine, 2 Valine?that is specifically tuned to deliver the ideal amounts of these three amino acids during all phases of muscle development and maintenance. Through this formulation, amino acids are released both before and after a workout. BCAA 3:1:2? minimizes muscle damage, while supporting increased lean body mass.