Stark Pharm's Flex GCM formula...
Glutamine represents 60% in muscles, and is the most important amino acid for muscle adaptation to physical activity.
ActivLab Stamina Booster is a combination of BCAAs, beta-alanine and arginine.
Leucine is the most important essential amino acid for humans, providing a positive nitrogen balance and is a powerful anabolic compound.
Taurine is one of the very important amino acids involved in a large number of metabolic processes and is essential under certain circumstances.
One of the most important amino acids, necessary for the normal functioning of the immune system, the digestive tract, is involved in the synthesis of enzymes and hormones.