1.Hyaluronic acid:cosmetic grade,food grade 2.Assay:98% 3.Portein:max 0.1% 4.Packing:1kg/Aluminum foil bag Hyaluronic acid (also called Hyaluronan) ... have problems such as joints, heart valves and eyes. Hyaluronic acid abnormalities are a common thread in connective tissue disorders. ... valve prolapse, TMJ, osteoarthritis, and keratoconus. hot sale food grade,cosmetic grade hyaluronic acid