Science Diet Adult Hairball Control Formula Is Precisely Balanced Nutrition To Help Avoid The Formation Of Hairballs. U.S> Veterinarians' #1 Choice to feed their own pets. Contains Antioxidants, vitamins and minerals, vital fatty acids, proteins and carbs, nutrients. Chicken By-Product meal, Brewers Rice, Corn Gluten Meal and more. Calories 399 kcal/cup. Crude Protein not less than 29%, Crude Fat not less than 18%, Crude Fiber not more than 10%, Moisture not more than 8%, Ash not more than 6.5%. 17 Lbs.