Cosequin® DS Chewable Tablets come in a bottle of 132 tablets. They contain FCHG49® Glucosamine Hydrochloride and TRH122® Sodium Chondroitin Sulfate.† FCHG49® Glucosamine Hydrochloride and TRH122® Chondroitin Sulfate have been scientifically formulated to help support and maintain the health of your dog’s joints. The ingredients in Cosequin® work together to help support and protect the cartilage.