Bestvite's Glucosamine and Chondroitin are in the preferred sulfate form. Triple strength dosing is used for maximum effect. Glucosamine and Chondroitin provide the necessary building blocks for healthy joints and connective tissue. Glucosamine is an amino sugar derived from the shells of shellfish. Chondroitin synergistically works with the Glucosamine to provide optimal joint and other connective tissue support as well as providing joint lubrication which allows for more comfortable range of motion and movement.*