AAKG (Arginine Alpha-Ketoglutarate) is a metabolic derivative of Arginine, which is a conditionally essential amino acid that has a number of vital roles in the body. Arginine plays a pivotal role in the urea cycle, helping to rid the body of excess ammonia. This amino acid is also important in protein synthesis as well as for the support of healthy immune function. As AAKG this form or Arginine is a key player in amino acid metabolism.