Move Free Advanced Plus MSM is a Glucosamine Chondroitin joint supplement that supports five signs of joint health (mobility, flexibility, strength, lubrication and comfort) and provides extra cartilage support so you can do the things you love. Glucosamine is key for the formation of cartilage, an essential building block of your joints to support your mobility and flexibility. Chondroitin is a building block of cartilage that supports joint strength by helping to resist compression in the joint.