Leucine is one of the three branched chain amino acids (BCAAs) and is unique to stimulate muscle protein synthesis needed for muscle building. Leucine metabolizes in muscles directly rather than in the liver and offers further benefits to bodybuilders.
Isoleucine is best known for its use in helping repair and recovers muscle tissue and is one of three branched chain of amino acids (BCAAs). Athletes and bodybuilders need isoleucine to boost energy levels and help the muscle tissue recover from strenuous exercise and other physical activities.
Valine is one of the three branched amino acids (BCAAs) and is very essential for preserving, repairing, building muscle tissue and it also increases endurance. It is essential for anyone who is serious about bodybuilding and other sports.
Glutamine may increase cell volume, support absorption and hydration. This may be helpful for phyique athelets and trainers.