Legend Injection Solution is a clear, colorless solution of low viscosity. Legend Injection Solution is pyrogen free, sterile and does not contain a preservative. It is administered by intravenous or intra-articular injection. Hyaluronic acid, the conjugate acid of hyaluronate sodium, is extracted from the capsule of Streptococcus spp. and purified, resulting in a form which is essentially free of protein and nucleic acids. Use Legend Injection Solution exactly as directed by your veterinarian. If you do not understand the directions ask the pharmacist or veterinarian to explain them to you.