NOW Foods - Tri-Amino 120 Caps Tri-Amino by Now Foods 120 Capsule Tri-Amino 120 Capsule Product Tri-Amino is a comprehensive product that combines three important amino acids into one easy-to-take formula. Arginine and Ornithine are amino acids that are components of the urea cycle. Urea is the major end product of protein metabolism. Ammonia the product of amino acid breakdown is toxic and must be removed from the body. The urea cycle or the ornithine cycle describes the conversion reactions of ammonia into urea. Since these reactions occur in the liver the urea is then transported to the kidneys where it is excreted. Lysine is an essential amino acid that is known for its role in the maintenance of nitrogen balance. Together these amino acids are critical for protein metabolism. Suggested Use As a dietary supplement take 4 capsules one or more times daily with juice or water - Or as directed by your healthcare professional. Supplement Facts Serving Size 4 Capsules Servings Per Container 30 Amount Per Serving Dail Tri-Amino is a comprehensive product that combines three important amino acids into one easy-to-take formula. Arginine and Ornithine are amino acids that are components of the urea cycle. Urea is the major end product of protein metabolism. Ammonia, the product of amino acid breakdown, is toxic and must be removed from the body. The urea cycle or the "ornithine cycle" describes the conversion reactions of ammonia into urea. Since these reactions occur in the liver, the urea is then transported to the kidneys where it is excreted. Lysine is an essential amino acid that is known for its role in the maintenance of nitrogen balance. Together these amino acids are critical for protein metabolism.