Iams ProActive Health Healthy Senior Dry Cat Food, 16-lb bag

Chicken, Chicken By-Product Meal (Source of Glucosamine and Chondroitin Sulfate), Corn Grits, Ground Whole Grain Corn, Dried Plain Beet Pulp, Natural Flavor, Dried Egg Product, Brewers Dried Yeast, Chicken Fat (Preserved with Mixed Tocopherols), Potassium Chloride, Fish Oil (Preserved with mixed Tocopherols), Choline Chloride, Fructooligosaccharides, Vitamin E Supplement, Calcium Carbonate, Taurine, Vitamins (Niacin, Ascorbic Acid, Vitamin A Acetate, Calcium Pantothenate, Biotin, Thiamine Mononitrate (Source of vitamin B1), Pyridoxine Hydrochloride (Source of vitamin B6), Vitamin B12 Supplement, Riboflavin Supplement (Source of vitamin B2), Inositol, Vitamin D3 Supplement, Folic Acid), Zinc Oxide, Manganese sulfate, L-Carnitine, Copper Sulfate, Potassium Iodide, Rosemary Extract.

3746 kcal/kg, 399 kcal/cup

Start by mixing 25% new food with 75% of the current formula. Slowly change the proportions over the next 3 days or so by gradually increasing the new food and lessening the amount of the current food. At the end of the weaning process, you should be feeding 100% of the new food.