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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.
Beta Alanin Hi Tec Nutrition is a natural beta-amino acid.
The effect of beta-alanine is not direct, it is due to its ability to increase the synthesis of carnosine, beta-alanine increases the level of carnosine in the blood.