Hills Prescription Diet k/d Canine Original To help dogs with kidney disease. Key Benefits Clinically proven to maintain a good quality of life for dogs with kidney disease. Helps neutralize free radicals thanks to its high antioxidant content. Clinically proven to help reduce disease symptoms in dogs with chronic kidney failure. Ingredients Prescription Diet k/d Canine Original Hill's Ground rice, animal fat, ground corn, dried whole egg, corn gluten meal, digest, flax seed. fish oil, dried beet pulp, calcium carbonate, cellulose, potassium citrate, potassium chloride. calcium sulfate, L-lysine hydrochloride, salt, magnesium oxide, taurine, L-threonine, L-tryptophan, vitamins and trace elements. Contains antioxidants authorized by the EU.