Viscosupplementation: How Gel Injections Restore Your Knee's Natural Cushioning Joint Relief Institute The Science Behind Knee Gel Injections: How Synovial Fluid Supplements Relieve Osteoarthritis Pain AMSK Clinic A gel injection for the knee helps improve joint lubrication when natural synovial fluid becomes thinner or less effective, which often happens with arthritis., This gel acts as a cushion and Healthy Women Healthy Nation Joint and Pain Management Insights Epione Bangalore