Are therapeutic diets for chronic kidney disease equivalent? Winn Feline Foundation recently released a study to determine whether two different therapeutic kidney diets were appropriate for cats with chronic kidney disease.  Royal Canin Renal Support A Feline dry was  the control diet and Hill’s Prescription diet k/d Feline with chicken dry was  the test diet. The study found that therapeutic renal foods with good palatability, increased caloric density and enhanced concentrations of essential amino acids and L-carnitine may help maintain body weight and lean body mass.  Learn more