When combined into a single formula, Glutamine, Arginine, Carnitine (G.A.C.) is a POWERFUL amino acid trio that boosts fat metabolism by facilitating the transfer of fatty acids to the mitochondria, or the “the horsepower of the cells”. The specific action just mentioned boosts weight loss and increases athletic performance (usually used post workout). GAC has also been studied to help speed up the repair of workout-related injures such as rotator cuff tears, lower back issues and knee injuries. Other recent studies have found the supplementation of GAC to potentially fight infections, boost ones immune system and help achieve a higher recovery rate from illness.