Hyaluronic acid is a naturally occurring substance in joints that can be injected to relieve pain and improve lubrication in osteoarthritis, particularly of the knee. While injections can offer pain relief for several months by restoring joint fluid viscosity and elasticity,
Glucosamine is a building block of cartilage, and supplementation may help the body synthesize more joint-supporting molecules.
Chondroitin is a component of cartilage that helps it resist compression.