ROYAL CANIN Feline Hypoallergenic Hydrolyzed Protein Adult HP (17.6 lb) Hydrolyzed, low-weight soy protein that is formulated to be low-reactive Omega-3 fatty acids to nourish your pet's skin and intestinal tract back to health B-vitamins and aminos to maintain your cat's skin barrier in times of stress Single, simple source of both carbohydrates (rice starch) and protein (soy protein) Chelated minerals for maximum absorbability by your cat's system