L-Arginine- L-Leucine- L-Isoleucine- L-Valine- L-Lysine Hydrochloride- L-Phenylalanine- and Glycine is used for?nutritional supplementation to treat?amino acid deficiencies- support?muscle growth and repair- improve?circulation?via nitric oxide production- and aid in recovery from conditions like?malnutrition-?chronic illness- and?liver disease