Knee Gel Injections (Viscosupplementation): Uses & Side Effects Joint Lubrication Dr. Govind Baranwal The Science Behind Knee Gel Injections: How Synovial Fluid Supplements Relieve Osteoarthritis Pain AMSK Clinic Knee Pain Treatments in San Antonio Solutions for Relief Gel injections (also called viscosupplementation) are used to treat joint pain from arthritis, especially in the knee. The gel acts as a lubricant and shock absorber inside the joint, helping reduce friction, Knee Gel Injections Clinic in Duluth GA