Curaflex 2 Bonelets is a high quality, economical joint heath supplement for dogs designed for treating arthritis and joint injury as well as improving the overall health of the joint. Curaflex 2 Bonelets are an excellent choice for dogs suffering from osteoarthritis. Each Curaflex 2 Bonelet contains: 500 mg glucosamine hydrochloride HCl-Glucosamine is a natural compound found in the body that has been shown to stimulate the body's ability to maintain healthy joints.