Pharmaceutical grade From Japanese-based Ajinomoto The perfect ratio of l-arginine & l-ornithine Swanson AjiPure L-Arginine with L-Ornithine helps promote muscular energy and is necessary for the production of nitric oxide. Produced through fermentation using raw ingredients of non-animal origin, AjiPure amino acids are 99 to 100% pure. Impurities in other brands can be six times higher!
