Wysong Optimal Geriatrx Senior Feline Formula Cat Food 48% 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 Geriatrx) Low Level Of Carbohydrate And Low Glycemic Index, Organic Ingredients, High Levels Of Enzymes/Probiotics/Micronutrients, Natural Omega-3:Omega-6 Ratios Wysong Has Been A Leader In Pet Nutrition Since 1979