Supports healthy joint function and cartilage with a powerful combination of glucosamine hydrochloride, sodium chondroitin sulfate, and methylsulfonylmethane MSM. This professional strength formula is designed to help maintain mobility and long term joint health in dogs while providing a tasty soft chew that is easy to administer. An initial feeding period of four to six weeks is recommended before transitioning to a maintenance level, although some dogs may respond sooner. Developed by Nutramax Laboratories Veterinary Sciences, a trusted leader in veterinarian recommended animal health supplements.