Hill's Science Diet Adult Optimal Care Chicken Recipe Dry Cat Food

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16-lb bag
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Hill's Science Diet Adult Optimal Care Chicken Recipe 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 and improve skin and coat health. Manufactured in the United States, every ingredient meets strict requirements for purity and nutrient content which exceed industry standards. Formulated for adult cats 1 to 6 years of age, this Hill’s Science Diet provides your cat the nutrition she needs for a lifetime of health and happiness.

Key Benefits

  • Exclusive blend of omega-6 fatty acids blended with other nutrients work to nourish your cat’s skin and coat.
  • Natural ingredients make this recipe both delicious and highly digestible.
  • 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 1 to 6 years of age.

See all items by Hill's Science Diet

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

Nutritional Info


Chicken, Whole Grain Wheat, Corn Gluten Meal, Pork Fat, Chicken Meal, Dried Beet Pulp, Brown Rice, Chicken Liver Flavor, Calcium Sulfate, Lactic Acid, Potassium Chloride, Fish Oil, Soybean Oil, Iodized Salt, Choline Chloride, 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), Taurine, Minerals (Ferrous Sulfate, Zinc Oxide, Copper Sulfate, Manganous Oxide, Calcium Iodate, Sodium Selenite), Oat Fiber, Mixed Tocopherols for Freshness, Natural Flavors, Beta-Carotene, Apples, Broccoli, Carrots, Cranberries, Green Peas.

Caloric Content

504 kcal/cup

Guaranteed Analysis
Crude Protein 31.0% min
Crude Fat 19.0% min
Crude Fiber 3.5% max
Vitamin C 85 mg/kg min
Vitamin E 500 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.

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Precisely Balanced Nutrition for Adult Cats

Hill's Science Diet adult cat food provides precisely balanced, easy-to-digest nutrition for a visible difference in adult cats. These yummy recipes are specially formulated for cats 1-6 years of age to help improve skin and coat health and support immunity.

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

133 reviews 133 Reviews 4.7 out of 5 Stars

95% Recommend

95% of reviewersrecommend this product

4.7 / 5

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  • Great Food for Adult Cats

    By on

    This brand is VERY high-quality food, so a little goes a long way. A big bag (16 lbs.) will last our one cat about 6-7 months. Moreover, this brand is the ONLY one we can give our cat, Willow, as she has no teeth on the left side of her mouth, so she really needed a food where the "pebbles" were small enough that she didn't HAVE to chew them. She LOVES this dry food, and she has NO problem eating it without having to chew the food into smaller pieces. I think she mostly swallows the pebbles "whole." Ha-ha! :)

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  • Don't recommend but service was quick

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    I ordered a 7-pound bag of Science Diet cat food for a 7 plus-year-old cat (indoor) and received 1-6-year-old cat food. I kept it but my cat doesn't like it that much and he needs food for an older cat. I also had trouble ordering it online. I can't get out to the store right now so I couldn't take it back. Normally, I get the right item and haven't had any problems before. I would recommend this to a friend because of past experiences.

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  • Science diet gave my old sick kitty a new lease on life!

    By on

    My cats are so much happier and healthier on Science Diet. One of my old kitties was vomiting a lot and losing weight. My vet recommended Science Diet. My cats have not thrown up once. No crummy fillers, my cats eat a lot less of this and are much more healthy

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  • Only cat food that my cat will eat.

    By on

    My cat is 10 years old. When I got her from the Humane Society, she was very small. She was 4 months old before she reached the weight requirement for adoption. After I brought her home, she had diarrhea. I started her on Science Diet Sensitive Stomach and her diarrhea resolved. I kept her on the Sensitive Stomach formula for a few years, then switched to Optimal Care, which she tolerated well. I tried other brands of cat food; i.e., grain-free, and she wouldn't eat any other brand of cat food but Science Diet. I've tried to give her chicken and tuna in the past as a treat - she wouldn't eat it. I've never had a cat like her; she will only eat Science Diet.

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  • Cats like it so far

    By on

    I have two kitties who are brother & sister. They are one & a half years old. I adopted them from a cat rescue place less than a month ago. They was feeding all their cats Science Diet so I thought I would try that too. So far they seem to like this particular one okay. They don't prefer it over the canned which I feed them during the day...but eat it in between the canned food feedings and mostly at night. I have always fed my kitties a larger amount canned cat food than dry but this one looks to be a fairly high quality for dry cat food. They prefer it to a less expensive brand that I bought at first.

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  • Convenient

    By on

    I really like that I can have items delivered to my door. As I get older......it’s gets harder to lug those heavy bags around. And the shipping boxes are great, too. They make great hiding places for the cats.

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  • Good Stuff

    By on

    I've been feeding my cats this Hills Science Diet for 10 years. It's great that Chewy offers the 32 pound bag. I save a lot over the 7 pound bag I use to purchase locally.

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  • So easy and quick!

    By on

    It is so easy to order and get your order quick! I got this dry food because of its small size. My cat is small and would have trouble with a larger kibble.

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  • Three paws up

    By on

    3 cats of all different sizes & ages & this works for everyone-- best of all they all like it & come running when the bowl is filled. I believe it also had the highest percent of protein too. We've tryed others in the science hill brand but this was the favorite & didn't cause upset tummies. The only con is the food is little small bits (think pencil erasers) & greed eaters try to take mouthfuls causing it to scatter all over the floor.

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  • Love the convenience

    By on

    I truly love the convenience, low prices and high quality of the all the Chewy products. Home delivery is awesome!

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