ON's Essential Amino Energy combines a powerful ratio of rapidly absorbed free-form amino acids with natural energizers and N.O. boosting ingredients to help you reach your next level - including muscle-building BCAAs and arginine to help support intense, vascular pumps.* At 10 calories per serving, it'll make a big impression without denting your diet. Mix up Essential Amino Energy anytime you want to dial up mental focus, physical energy N.O. production and recovery support.
Glutamine is the most abundant amino acid in the body, comprising more than 60% of the free amino acid pool in skeletal muscle and greater than 20% of total circulating amino acids. Supplemental L-Glutamine may help reduce muscle soreness and rebuild muscle tissue.