Solgar Glucosamine, Chondroitin, Hyaluronic Acid, MSM (glucosamine, chondroitin msm) is a supplement based on glucosamine, chondroitin sulfate and MSM or methylsulfonylmethane, which helps to improve the health of bones and joints, including muscles. It allows greater elasticity of the joints and bone reinforcement, which are important both at an older age and even in the case of athletes.