Jarrow Formulas® Arginine + Ornithine supports protein synthesis and detoxification of ammonia, an end product of protein metabolism.* L-Arginine, a semi-essential amino acid, and a related amino acid, ornithine, play a central role in the urea cycle to facilitate ammonia detoxification.* L-Arginine also supports the synthesis of proteins, nitric oxide required for proper functioning of blood ves...