Just 48 hours after being spayed or neutered a cat's appetite may increase significantly. KITTEN SPAYED/NEUTERED is for spayed or neutered kittens up 12 months of age susceptible to weight gain. " Chicken by-product meal, brewers rice, corn, powdered cellulose, corn gluten meal, wheat gluten, pea fiber, natural flavors, chicken fat, dried plain beet pulp, vegetable oil, sodium silico aluminate, grain distillers dried yeast, sodium pyrophosphate, fish oil, potassium chloride, psyllium seed husk, fructooligosaccharides, hydrolyzed yeast (source of betaglucans), choline chloride, salt, monosodium phosphate, vitamins [DL-alpha tocopherol acetate (source of vitamin E), L-ascorbyl-2-polyphosphate (source of vitamin C), niacin supplement, biotin, riboflavin supplement, D-calcium pantothenate, pyridoxine hydrochloride (vitamin B6), vitamin A acetate, thiamine mononitrate (vitamin B1), vitamin B12 supplement, folic acid, vitamin D3 supplement], calcium carbonate, taurine, L-lysine, DL-methionine, trace minerals [zinc proteinate, zinc oxide, manganese proteinate, ferrous sulfate, manganous oxide, copper sulfate, calcium iodate, sodium selenite, copper proteinate], marigold extract (Tagetes erecta L.), carotene, rosemary extract, preserved with mixed tocopherols and citric acid."