Hill's Science Diet Adult Light Dry Cat Food

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16-lb bag
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Hill's Science Diet Adult Light cat food provides precisely balanced nutrition for a light, healthy lifestyle.

Key Benefits

  • 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
  • 21% fewer calories than Adult Optimal Care and with lean protein and natural fibers to help satisfy hunger between meals
  • Highly digestible, high quality protein to help maintain lean muscle
  • High quality fiber, fatty acids and antioxidants to support healthy digestion, skin and coat and a strong immune system

See all items by Hill's Science Diet

  • Item Number
  • Brand
  • Food Form
    Dry Food
  • Lifestage
  • Made in
    United States
  • Special Diet
    Weight Control

Nutritional Info


  1. Chicken, Whole Grain Wheat, Corn Gluten Meal, Brewers Rice, Powdered Cellulose, Pork Fat, Wheat Gluten, Dried Beet Pulp, Chicken Liver Flavor, Calcium Sulfate, Lactic Acid, Potassium Chloride, 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, Calcium Carbonate, Minerals (Ferrous Sulfate, Zinc Oxide, Copper Sulfate, Manganous Oxide, Calcium Iodate, Sodium Selenite), L-Carnitine, Oat Fiber, Mixed Tocopherols for Freshness, Natural Flavors, Beta-Carotene, Apples, Broccoli, Carrots, Cranberries, Green Peas.

Caloric Content

  1. 315 kcal/cup
Guaranteed Analysis
Crude Protein 28.5% min
Crude Fat 7.0% min
Crude Fiber 9.5% 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 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

Hill's Science Diet Adult Light Dry Cat Food is rated 4.8 out of 5 by 52.
Rated 5 out of 5 by from The only cat food you should be feeding your cats Years ago, I had a male cat that got a UTI (he was spotting blood in the litter box). The vet told me he needed to be on a special diet for the rest of his life (Hill's prescription diet)-- you could only purchase it at the vets office and it was really expensive . So I asked them what the key ingredients were that made it so special, and I was told it was the ash and magnesium concentration (it needs to be low) -- I asked them if I found another brand with the same levels would that work and they said yes, so I went to Petsmart and compared every cat food in the aisle -- this was the only one that had the same levels. I put all my cats on it, and they all lived healthy lives. I now have a brother and sister cat that have only eaten this formula since they were 11 months old -- and they are now 13 -- never a problem, never an upset stomach. They are the healthiest cats I've ever had. I purchase this in bulk when it's on sale, which really saves $$. This is the only cat food I would ever feed any cat that lived with me...
Date published: 2015-11-28
Rated 5 out of 5 by from Cat Likes Have one lazy cat that doesn't play much so gains weight easy. Tried this product and Mr. Big Boy likes it. As a matter of fact so do my other three. So if they like it I like it. It's a winner as far as all four of my cats say.
Date published: 2017-01-12
Rated 5 out of 5 by from Definitely Works I've had the 4lb bag for over two months now and I've been feeding my cat Hill's Science Diet along with other dry foods. I can definitely say that this food did help my cat lose weight. She looks much leaner even though her other dry foods aren't all weight control/weight management food. The only down side is that, like with many other dry foods, she got tired of it a few weeks in and even though I stopped feeding her Hill's Science Diet for a while, she doesn't bother with it even now. The pieces are a bit larger than Blue Buffalo dry food, which is her favorite, so maybe that's why she doesn't eat it much anymore. Nonetheless if your cat hasn't tried this I suggest you go for it because it does what it says.
Date published: 2017-02-04
Rated 5 out of 5 by from Nothing but Hills Science Diet I've been married 32 years, and have always had a cat(s). Always have used Science Diet, and each of our cats was/is extremely healthy, beautiful coats, no health problems. We currently have 2 cats. The male is very slender. Our female actually stress eats! We think she has a nervous condition because after we have picked her up and loved all over her, she runs right to her bowl and eats. Gained weight very quickly (we had her on the regular adult Science Diet). Her coat is beautiful!, but she was a couple of pounds overweight. Switched her to the Adult Light and within a few months, even though she has not stopped the stress eating, she's dropped those pounds. Her vet today commented on how well she's doing. We won't use anything but Hills ... and now have found the perfect blend for our two.
Date published: 2016-11-18
Rated 5 out of 5 by from Cat's Meow! Science Diet food has been part of my cats' lives for years. I like the adult light food in order to help keep their weight down. I trust Science Diet. I thank Chewy for bringing it to my door! Thank you so much for this service. I am a senior and appreciate not having to carry the litter and food from my car to my home.
Date published: 2017-01-08
Rated 5 out of 5 by from Most trusted cat food Have always fed my cats Hill's Science Diet and would recommend it to any cat lover. My cats have lived to a ripe old age. Had have had little to no vet visits except for annual check ups. Wouldn't use any other brand.
Date published: 2017-03-04
Rated 5 out of 5 by from My Kitties love it!!! This product is a great product. My cats always had problems with their stomachs with the other food I was feeding them but, they seem to have no problems with this food and they love it!!
Date published: 2017-01-03
Rated 5 out of 5 by from Liked the packaging on front I was drawn to this cat food from the cat on the front of the bag. After I bought it I then had to try it out on my kitties (picky). They loved I!!!
Date published: 2017-01-19
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