Sodium Hyaluronate Injection 1% w/v – GenuVida 1%, Osteoarthritis affects up to 10% of the elderly population. The condition is frequently treated by intra-articular injection of Sodium Hyaluronate – GenuVida 1% occurs naturally in high concentrations in joint cartilage and in joint fluid, where it protects and lubricates the joint. GenuVida 1% replaces the Hyaluronic Acid that exists naturally in joint fluid and so acts as a painkiller and lubricant.