Hill's Science Diet Adult 11+ Age Defying Dry Cat Food

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15.5-lb bag
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Hill's Science Diet Adult 11+ Age Defying Dry Cat Food provides your four-legged friend with great tasting nutrition for a long, happy life. Made with wholesome ingredients such as savory chicken, this nourishing recipe is balanced to meet your pet’s needs, promote kidney and joint health, and aid in a healthy immune system. Manufactured in the United States, every ingredient meets strict requirements for purity and nutrient content which exceed industry standards. Formulated for adult cats 11 years of age and older, this Hill’s Science Diet provides your cat the nutrition she needs for a lifetime of health and happiness.

Key Benefits

  • Exclusive multivitamin blend helps keep older cats more agile, alert and interactive.
  • Ingredients are easy-to-digest and provide optimal nutrients to support eye, heart, kidney and joint health.
  • Antioxidant and vitamin blend work together to help support a healthy immune system.
  • Made from natural, high-quality ingredients without any artificial colors, flavors or preservatives.
  • Made in the USA, this is a complete and balanced diet recommended for adult cats 11 years of age and older.

See all items by Hill's Science Diet

  • Item Number
  • Weight
    15.5 pounds
  • Brand
  • Food Form
    Dry Food
  • Lifestage
  • Made in
    United States

Nutritional Info


Chicken, Whole Grain Wheat, Corn Gluten Meal, Brewers Rice, Pork Fat, Egg Product, Dried Beet Pulp, Chicken Liver Flavor, Flaxseed, Wheat Gluten, Lactic Acid, Fish Oil, Calcium Sulfate, Potassium Chloride, Soybean Oil, Choline Chloride, Calcium Carbonate, Taurine, Vitamins (Vitamin E Supplement, L-Ascorbyl-2-Polyphosphate (Source of Vitamin C), Niacin Supplement, Thiamine Mononitrate, Vitamin A Supplement, Calcium Pantothenate, Riboflavin Supplement, Biotin, Vitamin B12 Supplement, Pyridoxine Hydrochloride, Folic Acid, Vitamin D3 Supplement), Minerals (Ferrous Sulfate, Zinc Oxide, Copper Sulfate, Manganous Oxide, Calcium Iodate, Sodium Selenite), L-Carnitine, Iodized Salt, Oat Fiber, Mixed Tocopherols for Freshness, Natural Flavors, Beta-Carotene, Apples, Broccoli, Carrots, Cranberries, Green Peas.

Caloric Content

510 kcal/cup

Guaranteed Analysis
Crude Protein 29.0% min
Crude Fat 18.0% min
Crude Fiber 3.5% max
Vitamin C 100 mg/kg min
Vitamin E 650 IU/kg min
Omega-6 Fatty Acids 2.5% min

Feeding Instructions

Adjust feeding amounts as necessary to maintain optimal weight. If you are unsure, ask your veterinarian. New to this food? Mix increasing amounts of your pets new food with decreasing amounts of the old food over a 7 - day period. Keep fresh water available at all times! Your pets nutritional needs may change as they age. Ask your vet at every checkup. Science Diet is available in a wide variety of dry and canned foods for your pets unique needs.

Transition Instructions

A gradual transition to a new pet food is important to avoid digestive upset. To transition, mix your pet’s current food with the new food. Over 7 days, gradually decrease the amount of the current pet food while increasing the amount of new pet food.

Precisely Balanced Nutrition for Adult Cats

Indoor cats have very different lifestyles and nutritional needs than outdoor cats. Hill's Science Diet Adult 11+ Indoor Age Defying Chicken Recipe dry food delivers precisely balanced nutrition to help older indoor cats live long, healthy lives. This recipe is specially formulated for adult cats 11 years and older to help reduce kidney stress and promote a healthy immune system. The natural fiber blend in this cat food for indoor cats helps reduce the formation of hairballs, and protein with amino acids helps build and maintain lean muscle while keeping cats at an ideal weight.

Precisely Balanced Nutrition for Adult Cats
Vets' #1 Choice

Vets' #1 Choice to Feed Their Own Pets

More than anyone, veterinarians know a healthy cat food when they see one. That's why they give Hill's Science Diet to their own cats more than any other brand. Hill's works with pet nutritionists to develop recipes with the best cat food standards in mind. These recipes are designed to keep your feline family member healthy and strong so she can enjoy more moments of purring and playing.

The Science Behind Happy

With over 220 veterinarians, Ph.D. nutritionists and food scientists working every day around the world, Hill's is able to create new products and improve existing ones that help your pet live a long, healthy and full life. They pride themselves on wholesome ingredients, precise nutrition and high-quality standards in pet food because they know firsthand that when your cat is healthier, she's happier too.

The Science Behind Happy
Natural Recipes Made in the USA

Natural Recipes Made in the USA

Hill's is proudly made in the USA with only high-quality protein. Real chicken, lamb or salmon is the first ingredient, along with other natural ingredients sourced from North America, Europe and New Zealand-all free of artificial colors, flavors and preservatives.

Fresh, Whole Food Ingredients

Hill's uses high-quality ingredients to provide the proper balance of essential nutrients for optimal health. Guided by evidence-based research, Hill's formulas are precisely balanced to meet each pet's specific life-stage, size or special needs.



Good source of Omega-3 fatty acids that helps calm itchy skin, promote a shiny, healthy coat and reduce shedding.



Excellent insoluble fiber source that supports healthy digestion, and the prebiotic fiber stimulates the growth of the favorable gut bacteria (probiotics).



Good source of antioxidants, vitamin A, vitamin C and dietary fiber, which helps with joint problems and promotes overall gastrointestinal health.



Great source of fiber and vitamin C and boosts the immune system, supports skin and heart health and helps the body release toxins.



Excellent source of B vitamins and vitamin C and contains the most carotene of any vegetable as well as high levels of antioxidants that provide protection against free radicals.



Excellent source of vitamin C and unique natural source of tannins (astringents found in plants) that help prevent harmful bacteria from thriving in the urinary tract.

About Hill's Pet Nutrition

For more than 70 years, Hill's Pet Nutrition has helped enrich and lengthen the special relationship between people and their pets by putting their passion for balanced pet nutrition into everything they do. With a dedicated team of veterinarians and pet nutritionists involved in the development of all their products, Hill's is able to ensure high-quality pet food to help all pets live a happy and healthy life.

Shop Hill's Pet Nutrition

About Hill's Pet Nutrition

Customer Reviews

99 reviews 99 Reviews 4.6 out of 5 Stars

95% Recommend

95% of reviewersrecommend this product

4.6 / 5

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  • Always great service!

    By on

    Delivery was perfect... however, we ordered the wrong cat food.... should have been the Age Defying Science Diet. We ordered Age Defying 11+ (which are for older cats) in error which are tiny round kibbles. :( Wish Science Diet would make their bags with a clear indicator so it isn't so easy to order incorrectly.

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  • Old cats think they're kittens again!

    By on

    I've been using this food for over a year now. I began by gradually adding to existing dry food. Within a week this was all they were eating & loving it! I can really see an improvement in all 3 of them. My girls are 13 & their brother is 11. They're much more active, more playful, and no more spitting up after meals. I won't feed them anything else now & they don't tire of the flavor. Chewy constantly has the best price and love the quick arrival.

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  • Not good for diabetic cat

    By on

    I've been feeding age defying to my cats for several years. The oldest one has just been diagnosed with diabetes at 15 years old. As I've learned, carbs are the enemy of a diabetic cat. I nearly fell over when I looked at the carb count of this food designed for elderly cats. It's over 4x the max suggested level. My old cat seems to be improving on low carb alternatives. Beware of this product.

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  • Worth every penny

    By on

    We switched our 13 year old cat to this because she was too bony and was throwing up her old food all the time. Since switching, she hasnt thrown up this food at all, and we are happy to report that she enjoys eating it! She has gained weight and is vibrant and happy on this food! Truly amazing cat food!

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  • She Loves it!

    By on

    My 13 yr. old loves it and she’s a picky eater. She seems to have more energy and has been racing around like a kitten in the evening.

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  • Found the perfect dry food for my14yr old girl

    By on

    Of course most cats are going to go to their wet food like its gold, but when I put this food in her dry food bowl, she went at it like she had not eaten in weeks. I was shocked....and yet very happy at the same time. She LOVES IT. and she is a picky eater as we know they can get in the older ages. It may cost me a bit more, but I know she is eating good quality food for sure, and she does like it so its a 10 for me.

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  • It really is AGE DEFYING!

    By on

    My calico cat, Tiger, is 16 yrs old and I've been feeding her this product for the past 5 years. She loves the outdoors so she is an indoor/outdoor cat. Her energy level is like a kitten and she loves to play, hunt, and is very active. Her last vet visit was 6 months ago and the vet could not believe she was 16. She guessed her age to be about 7 or 8. The only explanation for her excellent condition has to be the cat food. I couldn't be happier.

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  • Cat Food for Nike

    By on

    The I cats like the small kibble. Happy to say I think I have found the one! After many failed attempts.

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  • age Defying

    By on

    my Cat "little Cat" is 18 years old and has been on Science Diet all of her life even before there were so many choices my other Cat was on this also and just passed away at 19 one was a indoor cat and Little is outside inside cat and I think this is why they lived so long without any health problems at all.

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  • Happy senior cats

    By on

    My senior cats were getting really skinny and I noticed tgey weren't eating like they used to. I placed my order got the package the next day and now my cats have put some of tge weight back on and are acting like kittens again. Thank you Chewy.com

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