Cosequin for Cats combines glucosamine hydrochloride and sodium chondroitin sulfate for joint support. Cosequin for Cats is available in a convenient capsule. Cosequin joint health supplements are brought to you by Nutramax Laboratories Veterinary Sciences, the #1 veterinarian recommended supplement company. ▼Source: Among retail brands. Survey conducted among small animal veterinarians who recommended oral joint health supplements. *Source: Survey conducted among small animal veterinarians who recommended animal supplements.