AstraGin™ is a proprietary ingredient created by NuLiv Science USA that has been shown to support increased arginine absorption by 67% and i citrulline absorption by 45%. AstraGin™ is a natural compound composed of highly fractionated astragalus and panax notoginseng. AstraGin™ has been designed and formulated to assist in the overall absorption of the cationic amino acids L-arginine and L-citrulline.