Hill's Science Diet Adult Oral Care Dry Cat Food

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7-lb bag
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Hill's Science Diet Adult Oral Care cat food provides precisely balanced nutrition to improve dental health.

Key Benefits

  • Clinically proven technology to help reduce plaque and tartar build-up for your cat’s whole-body health
  • Interlocking fiber technology helps clean your cat’s teeth and freshen breath with every bite
  • Clinically proven antioxidant blend with vitamins C and vitamins E to help support a healthy immune system
  • Natural, high quality, easy-to-digest ingredients with no artificial colors, flavors or preservatives for a flavorful, nutritious meal
  • Highly digestible, high quality protein to help maintain lean muscle

See all items by Hill's Science Diet

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

Nutritional Info


  1. Chicken, Brown Rice, Corn Gluten Meal, Chicken Fat, Powdered Cellulose, Wheat Gluten, Chicken Meal, Flaxseed, Chicken Liver Flavor, Lactic Acid, Potassium Chloride, Calcium Sulfate, Choline Chloride, L-Lysine, Iodized Salt, Taurine, Vitamins (Vitamin E Supplement, L-Ascorbyl-2-Polyphosphate (Source of Vitamin C), Niacin Supplement, Thiamine Mononitrate, Calcium Pantothenate, Pyridoxine Hydrochloride, Vitamin A Supplement, Riboflavin Supplement, Biotin, Vitamin B12 Supplement, Folic Acid, Vitamin D3 Supplement), Minerals (Ferrous Sulfate, Zinc Oxide, Copper Sulfate, Manganous Oxide, Calcium Iodate, Sodium Selenite), Dl-Methionine, Oat Fiber, Mixed Tocopherols for Freshness, Natural Flavors, Beta-Carotene, Apples, Broccoli, Carrots, Cranberries, Green Peas.

Caloric Content

  1. 331 kcal/cup
Guaranteed Analysis
Crude Protein 29.0% min
Crude Fat 18.0% min
Crude Fiber 10.0% max
Vitamin C 85 mg/kg min
Vitamin E 500 IU/kg 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 Oral Care

Hill's Science Diet Oral Care cat food provides precisely balanced nutrition for dental and complete health. This yummy recipe is specially formulated for adult cats and uses clinically proven kibble technology to help reduce plaque and tartar buildup for daily dental protection and fresher breath.

Precisely Balanced Nutrition for Oral Care
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.



High-quality protein source that is easy to digest, helps maintain lean muscles and helps support the immune system to combat allergies.



Rich in Omega-3 fatty acids that improve the shine of the pet's coat and high in fiber that helps move food through the digestive system.



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

Greenies believes in the value of preventative care, so they've assembled a team of world-class scientists, vets and nutritionists to design quality treats that help your pet live a healthier life. Greenies treats make it fun to do what's best for your pet, whether that's maintaining his dental health, administering pills, supporting his joints or improving his skin and coat condition. With an irresistible taste and health benefits, their innovative products allow pet parents to be the hero of treat time!

Shop Hill's Pet Nutrition

About Hill's Pet Nutrition

Customer Reviews

Rated 4.7 out of 5 by 50 reviewers.
Rated 5 out of 5 by Cats love it My cats all love the taste and eat the Oral Health food as fast as I can put it down. I bought it for my 16 yo to keep her teeth clean (no toothbrush getting near that one) & the 2-3 years olds & 2-4 year olds go for it too. I'll do almost anything to make kitty dental hygiene easier! June 19, 2016
Rated 4 out of 5 by My picky cat likes this food, but only gets it as a treat. I have a very picky, young cat, but she loves this dry cat food. I only give it to her as an occasional treat, because I don't really like the ingredients, way too much high starch junk (rice, corn and wheat gluten, powdered cellulose-aka sawdust, oat fiber) that cats as obligate carnivores can't really digest, and the protein is mainly from these sources instead of muscle meat, making this food mostly biologically indigestible and not very nutritious to cats, no matter the synthetic nutritional supplements added to it. So I don't feed my cat this food as her main diet daily meals, for that I feed her a better, healthier, gluten free, natural dry cat food, high in meat protein (80%), but I give her the Hill's Science Diet Adult Oral Care dry cat food only as a small daily treat. It's like humans that eat a healthy nutritious diet with a small dessert or junk food treat, such as a cookie, once a day. Also, I don't buy into the notion that this or any dry cat food helps in cleaning a cat's teeth, on the contrary. I believe that all the starches from the food usually stick to the cat's teeth, and after a few years will require that the cat gets it's teeth cleaned by a veterinarian, at quite a high cost. And because of the high ash content in dry food, I worry about the higher chance of my cat getting urinary tract stones, so I would rather not give her any dry food, but being the incredibly picky cat that she is, she won't eat if it's not dry food, so I hope that she doesn't develop the UT stones, but if she does, then I will have to find a way to wean her off dry food and somehow make her eat of the healthy canned cat food that I have purchased for her in the past, but she refused to eat after a small amount. But since this is supposed to be a review on this dry cat food, I rate it good, since my cat likes the taste, more than she did many of the healthier, natural dry cat foods that she's tried before, with the exception of the better one she eats now. June 28, 2016
Rated 5 out of 5 by Both cats love it My vet recommended supplementing my cats' wet food with Oral Care to keep their teeth in good shape after a cleaning, and they absolutely love it. Even while I was still mixing it with their old food to get them used to it, they would pick out pieces of Oral Care and leave the rest! June 14, 2016
Rated 5 out of 5 by Great value! Great value over pet chains, especially with 20% off on initial autoship order. And you cannot beat the convenience! Thanks, Chewy! June 16, 2016
Rated 5 out of 5 by Vet recommended My vet recommended this for my cat who is not 13 years old. He has been on this since he was 2. Never had any issues with this teeth and never had his teeth cleaned. All this plus my cat Charlie loves this food. April 16, 2016
Rated 4 out of 5 by My cat loves it. My cat loves the large nuggets and they help keep her teeth clean. April 16, 2016
Rated 5 out of 5 by Cats Love It I mix this food with other dry food and the cats always pick out these large chunks. The cats think of this food as a treat. March 30, 2016
Rated 5 out of 5 by science diet has a food for every pet the science diet oral care food is great for my 14 year old silver shaded Persian, as cats are prone to periodontal disease, my cat has had his teeth cleaned twice now and the doctor suggested I switch from the science diet hair ball formula he used to eat to the oral care , so I made the switch and he seems to love it. I have also purchased a bag of science diet for the aging cat, he eats it but he only picks at it, he prefers the oral care food. He is now 14 years old and ive always fed him science diet food, nothing else , and he is a very very healthy pet, he has never had any health issues of any kind. im blessed and thankful for the science diet food I do believe is what helps my pet maintain his good health. December 6, 2014
Rated 5 out of 5 by Great Product! Per another review, I used this as treats and it was well received and much less expensive. The pieces are larger but all mine from seniors to 6 month old ate it, the young ones use the kibble as toys. I like that I can give them treats that are as good for them as their regular food. Great prices and service. Have placed more orders and will continue to be " Chewy" February 9, 2016
Rated 4 out of 5 by Very Good Oral Product My cats were delighted by this product (as well as the Royal Canin). They are almost exactly the same except that this one smells less strong and is lighter in color and slightly less humid. I imagine it comes down to how strong you want your cat's stool to smell, or maybe you don't care. I offer both brands to my cats because I feel that with these two products, it's up to them to decide which one they want to brush their teeth with that day. December 23, 2015
Rated 1 out of 5 by Hill's revised foods hv made me a non-customer. I've been feeding my cats Science/Prescription Diet for well over 20 yrs. Recently Hill's changed their receipes due to the sudden popularity of Blue Animal foods.My current male (Jake), is sticking his nose up at his usual Hill's food. The female who has gum problems and nds to eat soft dry food, cannot do so now because Hill's decided to change their oral food from soft balls to smaller harder balls. I wrote a letter to Hill's cust/serv. At this time, they do not have any soft/moist dry food available. They told me they wd forward my thoughts to development. That's great but, Jake/Darcie need to eat daily. Now I'm looking for new foods for each. April 13, 2015
Rated 5 out of 5 by A dental workout for cats This is supersized kibble, so the cats are forced to chew their dry food instead of just swallowing the bits whole. It's too soon to tell if it's helped one of my cats's tartar problems. However, we're pleased with the way it slows down the younger cats at mealtimes -- no bolting the food down and throwing it up a few minutes later! This is probably NOT a good choice for an older cat who already has serious dental issues, as an animal like that might not be able to eat it at all. But so far it seems like a good way to try to prevent future problems. And all 3 of mine like the flavor! March 29, 2015
Rated 5 out of 5 by Saves Money and Keeps Teeth Healthy After years of fighting dental issues with my cats, my vet suggested I switch to Science Diet Oral Care. Any animal lover knows how quickly vet bills can mount up when you have cleanings and extractions for multiple cats. Since switching to Science Diet Oral Care we have had ZERO dental issues. I tense up every time she looks at their teeth, and then get a huge amount of satisfaction when she says, "Wow! Their teeth are beautiful!" Even my 20-year-old cat has great teeth. I highly recommend using Science Diet Oral Care, or at least mixing it with your current cat food. March 3, 2014
Rated 4 out of 5 by Yet fully satisfied I have a hard time to clean my cats teethes. I've tried to clean their teethes twice a week, however they were busy to run away from me every times. Throughout the great reviews of this product, I decided to buy. I feed my cats 4 times a day with varieties of product including pouches, hairball control dried food, boiling turkey with cabbages and this one. Since i started feed them, actually i am not yet satisfied. My cats seem to have bad breathing and tartar still. I will keep continue to feed this product because their hairball product works good with great outcome. February 17, 2015
Rated 5 out of 5 by Dental Dry Food A Must For Your Cat and Budget! With veterinary dental cleaning hitting the cost of hundreds of dollars, I highly recommend Science Diet and other brands of dry dental cat food to save your cat's health and your wallet too! I create a custom mix of dry food for my cats which includes three types of dental balls. Since I have been doing this, I haven't had any dental problems with any of my eight cats. In fact my vet asks me what I do to keep their teeth so clean. A couple bags of dental balls a year for each cat sure beats a $600 vet bill. Try it, you'll like it....so will your cat! September 2, 2012
Rated 4 out of 5 by My cats love it! I've been feeding oral care to my four cats for about 4 years now. My goal is to get them through life without multiple teeth cleanings at the vet. So far so good! Their teeth look great! And they love it! I have one cat with a weight problem so I only give her a small handfull each day for her teeth. She thinks it's the best treat ever. My only complaint with this product is they do not make it in the large bag which makes it expensive to feed multiple cats. But I do recomend using it as a daily treat even if it's not used as a part of a meal. March 1, 2014
Rated 5 out of 5 by Great Supplemental Oral Care My Ragdoll cats Whitie and Khari enjoy this food. I give it to them as a supplement (but not every day) and in separate dishes from their other foods. I utilize this food as a backup to brushing their teeth daily. I tried a food for Maine Coons but I did not feel comfortable with the ingredients (corn) although the cats enjoyed the crunch and the food. This kibble has a nice mild aroma also and it is apparent that the food does what it is designed to do. July 21, 2015
Rated 5 out of 5 by My cat loves this food My cat loves Science Diet Optimal Care food. If I mix it with other dry food he eats the optimal care chunks first. I love it because it helps keep his teeth clean. Leo is 15 and I've never had to have his teeth cleaned by the vet. Optimal Care version is a large chunk dry food for cats. It helps clean the teeth because they have to chew the chunk before swallowing. I've given samples to some of my friends with cats and their cats loved it as well. December 27, 2013
Rated 5 out of 5 by great product! Our cats love Science Diet Oral Care! They always come back to the bowl for more. October 19, 2015
Rated 4 out of 5 by Cat LOVES Oral Care Food One of our cats will do anything for this stuff. As soon as you start shaking the bag he'll come running and start jumping and clawing at you to get to it. He really becomes unmanageable when this stuff is around lol. Anyway, we feed it as a treat as a treat because we like to feed Orijen as their main diet (Orijen has much better ingredients), but do recognize the dental benefits of this product. So 4 stars. November 17, 2013
Rated 5 out of 5 by Kitties love this... I use the oral care for four of my kitties as "treats" -- and the one that is very finicky and very thin/lean by nature, I feed as her "crunchy" diet along with her wet food. I know they are highly caloric and she likes the taste, so I make sure she gets as many as she wants. Not sure how well it cleans teeth, though...as all of my cats have had dentals. September 2, 2014
Rated 5 out of 5 by My kitties love it! My cats seem to really like this food. I just tried it for the first time and was worried about the size of the kibble bits when I first saw them because they are much larger than most dry food bits for cats, but my cats had no problem with them at all!! They devoured the food and anytime I can give them something that is good for them it makes me feel good!! August 9, 2014
Rated 5 out of 5 by Hector and Erte love it!!!! I mix this dry food with their other dry food and they seem to enjoy it. At least that is what they said!! August 4, 2015
Rated 4 out of 5 by Big enough for my cats to pick up Having Persians is difficult to find dry food that they can pick up and eat. Their usual brand was discontinued, so i went searching for another choice. I found this and tried a bag, and the cats love it!! Thanks for making a dry food that is big enough for them to pick up with their beautiful flat faces!!! February 14, 2012
Rated 5 out of 5 by Tasty My cats love this food; I feed it as a treat. They prefer it to their routine canned food, and demand it periodically during the day. July 3, 2015
Rated 5 out of 5 by Makes them chew their food! It isn't the be all end all for teeth, but it solves inhaling food and requires the cat to chew the food because of its size. The older cats tend to swallow rather than crunch and this forces them to,use their teeth. I mix it with their LID food as a good supplement. January 29, 2013
Rated 5 out of 5 by Large kibbles! Since the kibbles are large, my Maine Coons can use their paws to pick it up. Requires them to chew the kibble since it is too large to swallow whole. Any thing with extra fiber also helps with hairballs. Great supplement to use with Royal Canine Maine Coon food. February 27, 2013
Rated 5 out of 5 by Keeps my cat's teeth clean I have fed my cats Science Diet Oral Care, along with Hairball Control, for at least three years and they have had no oral/teeth problems at all. I have not had to take them to have their teeth cleaned due to feeding them Oral Care. January 30, 2014
Rated 5 out of 5 by Highly recommend! The food was recommended by my veterinary Doctor, the cats love it and it has definitely improved the cleanliness of their teeth. March 24, 2015
Rated 4 out of 5 by Cats really like the taste. I purchased this product on the advice of my vet. Both cats transitioned readily to the new food. Chewy.com was considerably less expensive than others. I will continue to purchase this product. December 9, 2014
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