NutraMax Cosequin Double-Strength Chewables removes joint aches for a more active and playful dog. The tablets can be given directly to your canine or crushed and added to their food. A Closer Look: This supplement contains Glucosamine and Chondroitin Sulfate that help in formation of new cartilage and prevent degeneration of existing cartilage. The supplement blocks all the enzymes responsible for cartilage breakdown. Made especially for aging dogs.