Milk-Bone Original Senior Dog Biscuits, 20-Ounce, Pack of 4 Contains 4 - 20 Oz Boxes Glucosamine And Chondroitin Support Healthy Joints By Helping To Maintain Cartilage And Joint Tissue Calcium And Vitamin D Help Support Strong Teeth And Bones Specially Fortified With 21 Vitamins And Minerals To Meet The Needs Of Dogs 7 Years And Older Produced In Buffalo, New York