Wysong Optimal Vitality Adult Feline Formula Dry Cat Food 50% Protein, With Exceptional Levels Of Fresh/Frozen And Dried Meats A Grain-Free+ Formula! Not Only Grain Free, But High Protein, High Fat, And Very Low Starch An Improved Version Of Our Time Tested, Nutrient Dense Natural Cat Food Formulated For Adult Cats (Original Vitality). Very Palatable And Suitable For All Sizes And Ages Of Cats Low Level Of Carbohydrate And Low Glycemic Index, Organic Ingredients, High Levels Of Enzymes/Probiotics/Micronutrients, Natural Omega-3:Omega-6 Ratios With No Artificial Additives Or Non-Nutritional Ingredients Wysong Has Been A Leader In Pet Nutrition Since 1979