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 Hyaluronic Acid Injection Joint Lube Dr. Green Life 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 Your knee isn't just a hingeit's a living, dynamic system built to move. Inside every healthy knee is synovial fluid, the natural lubricant that reduces friction, delivers nutrients to the cartilage, KneeVisc in Orlando Chronic Knee Pain Relief Treatment