NOW Sports , Arginine & Ornithine 500 mg / 250 mg

Protein Metabolism* Nitric Oxide Promoter* Urea Detox* Arginine & Ornithine combines two complementary amino acids in one convenient supplement. Arginine is required for proper elimination of urea from the body, which occurs through a critical metabolic cycle that detoxifies the body of nitrogen compounds that are normal by-products of protein metabolism.* Ornithine is synthesized from arginine and is a precursor of citrulline, proline and glutamic acid.* Both of these amino acids are popular with athletes and other active individuals. Natural color variation may occur in this product.