Healthy Breeds Z-Flex Max Hip & Joint Support Soft Chews - Over 50 Breeds - Strong Formula of Glucosamine Chondroitin MSM & Fatty Acids - 170 Chews Z Flex Minis is our small breed formula and Z Flex Max is our large breed formula. Use the drop-down menu for your breed! Perfect tasty blend of Glucosamine, Chondroitin, Perna Canaliculus, and Omega-3 Fatty Acids. Dogs love the taste. They think it is treat time! Supports the joints of working, older and active dogs. Helps to upkeep joint mobility, flexibility and healthy bone structure Relieve pain from inflammation, arthritis, hip dysplasia, aging, stiffness, and sore joints Made in FDA, USDA and FSIS Regulated Manufacturing Facilities. Buy with confidence! Excellent customer service and return policy. 100% satisfaction guaranteed!