Pure Arginine AAKG 500mg Capsules are a convenient and simple way to supplement with Arginine Alpha Ketoglutarate (AAKG), for those who do not enjoy taking AAKG powder. Benefits of Arginine AAKG: Great source of Arginine Key Ingredient In Many Pre-Workout Formulas What is Arginine Alpha Ketoglutarate (AAKG)? Arginine Alpha Ketoglutarate is what happens when you bond two arginine molecules to an alpha-ketoglutarate salt, to make arginine more bioavailable and effective (a 2:1 ratio of Arginine to Alpha-Ketoglutarate). Arginine itself, is a semi-essential amino acid that that body can produce some of, but needs extra through diet / supplementation to meet your full daily needs. This is especially true for those who exercise intensively. Pure Arginine AAKG has been produced in-house in our own state of the art, custom built factory, using ingredients from approved, audited suppliers who meet our strict quality assurance standards, and work within our principles.