Uckele 120-Piece Canine Joint Plus Chewable Tablet for Pets For senior, heavily exercised and large breed dogs to provide premium high potency support for joint, bone, and connective tissue to help maintain mobility, strength, structural integrity and function. With Glucosamine, Chondroitin, MSM and Hyaluronic Acid. Comprehensive formula features Devils Claw, Turmeric and Phellodendron Tree extracts.