Yamamoto Nutrition AKG TABS is an Arginine alpha-ketoglutarate dietary supplement that is useful in cases of reduced dietary intake of this nutrient. The Arginine alpha-ketoglutarate present is the arginine amino acid linked to alpha-ketoglutarate, a key intermediary in the Krebs cycle and the metabolism of amino acids. Alpha-ketoglutarate is one of the most important nitrogen transporters in metabolic processes. Arginine, as a precursor of nitric oxide (NO), is increasingly popular among athletes. Alpha-ketoglutarate is a ketoacid that is produced during the deamination of glutamate and has a role in the energy processes of human cells.