Trec Nutrition AAKG Powder is a dietary supplement providing arginine alpha-ketoglutarate (AAKG), a stable form of the amino acid L-arginine. Arginine is a precursor to nitric oxide, which plays a role in blood vessel function. This unflavoured powder is designed for athletes and active individuals to use before training as part of a balanced diet and exercise plan. Each container provides 40 servings.