The Animology Hip, Joint & Flex supplement has been designed specifically for dogs, to provide exceptional nutritional support that helps improve the overall condition, health and flexibility of a dog. Animology Hip, Joint & Flex contains the two most common ingredients used in joint supplements, Glucosamine and Chondroitin, but in addition Hip, Joint & Flex also includes MSM and Natural Vitamin E for superior joint care. The Animology Hip, Joint & Flex supplement has been designed specifically for dogs, to provide exceptional nutritional support that helps improve the overall condition, health and flexibility of a dog. Animology Hip, Joint & Flex contains the two most common ingredients used in joint supplements, Glucosamine and Chondroitin, but in addition Hip, Joint & Flex also includes MSM and Natural Vitamin E for superior joint care.