Hill's Prescription Diet j/d Joint Care Chicken Flavor Dry Dog Food, 27.5-lb bag Cost $129 from chewy

Ingredients Whole Grain Wheat, Whole Grain Corn, Flaxseed, Chicken Meal, Corn Protein Meal, Chicken Fat, Chicken Liver Flavor, Fish Oil, Powdered Cellulose, Lactic Acid, Pork Liver Flavor, Potassium Chloride, L-Lysine, Calcium Carbonate, Choline Chloride, Iodized Salt, vitamins (Vitamin E Supplement, L-Ascorbyl-2-Polyphosphate (source of Vitamin C), Niacin Supplement, Thiamine Mononitrate, Vitamin A Supplement, Calcium Pantothenate, Riboflavin Supplement, Biotin, Vitamin B12 Supplement, Pyridoxine Hydrochloride, Folic Acid, Vitamin D3 Supplement), L-Threonine, minerals (Ferrous Sulfate, Zinc Oxide, Copper Sulfate, Manganous Oxide, Calcium Iodate, Sodium Selenite), Taurine, L-Tryptophan, Glucosamine Hydrochloride, Mixed Tocopherols for freshness, L-Carnitine, Natural Flavors, Chondroitin Sulfate, Beta-Carotene.