How to increase your knee joint lubricant? Zanskar Health Blog Synovial Fluid = Knees Natural Lubricant, It reduces friction, nourishes cartilage & absorbs shock, Low or poor quality synovial fluid more friction cartilage wear knee arthritis, Why 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, Joint Lubrication Dr. Govind Baranwal Viscosupplementation: How Gel Injections Restore Your Knee's Natural Cushioning Joint Relief Institute Lubricating Injections Can Soothe Knee Osteoarthritis