Hill's Science Diet Adult Large Breed Dry Dog Food, 35-lb bag

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Hill's Science Diet Adult Large Breed dog food provides precisely balanced nutrition tailored for a visible difference in large breed dogs. 

Key Benefits

  • Natural source of glucosamine and chondroitin are building blocks of healthy cartilage and joints and cartilage
  • 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 and high quality fiber, fatty acids and antioxidants to support healthy digestion, skin and coat and a strong immune system
  • Recommended for large breed adult dogs 1-5 years of age with ideal weight of 55-110 pounds or giant breed adults 1-4 years of age with ideal weight of 110+ pounds

See all items by Hill's Science Diet

  • Item Number
  • Brand
  • Breed Size
    Large, Giant
  • Food Form
    Dry Food
  • Lifestage
  • Made in
    United States

Nutritional Info


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

Caloric Content

  1. 363 kcal/cup
Guaranteed Analysis
Crude Protein 21.0% min
Crude Fat 12.5% min
Crude Fiber 3.0% max
Vitamin C 85 mg/kg min
Vitamin E 400 IU/kg min
Glucosamine 300 mg/kg min
Chondroitin Sulfate 550 mg/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 foods, wet foods and treats 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 Dogs

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

Precisely Balanced Nutrition for Adult Dogs
Vets' #1 Choice

Vets' #1 Choice to Feed Their Own Pets

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

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.



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



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.



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.



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.

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

147 reviews 147 Reviews 4.8 out of 5 Stars
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98% Recommend

98% of reviewersrecommend this product

4.8 / 5
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  • Two thumbs up!

    By on

    I have two Great Dane pups and I feed them this food along with the puppy brand. I really wish they would make a 60 lb bag so it would last longer than 3 weeks but I'll take the extra 5 lbs they added. I love hills and recommend their products to anyone looking for an excellent brand. What I love about hills is that any question on ingredients or about their products they will give you everything you need to know. I love that they are spending more on researching and perfecting their product rather than advertising it. I will always choose Hills over any brand especially when it comes to my fur babies. I've got nothing but good things to say about this company.

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  • No tummy issues!

    By on

    We are transitioning our Great Dane baby (almost 2 years old) from her puppy food to her big-girl food. We had a lot of problems with loose stool with various puppy foods. Now that we found one that agrees with her, we were hesitant to transition to the adult food. It's been two weeks with a 50/50 mix and we have had no problems!

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  • His coat is so shiny

    By on

    I started using Science Diet when my dog was a puppy on the recommendation of my vet. I feed my cats another brand of food, and, because it is a little cheaper, after a year, I decided to switch to the same brand of dog food. I noticed a difference in his coat within a short period of time. His weight was good, energy level was good, but the difference in his appearance was noticeable. After 3 months, I decided to go back to this food, and already am hearing people comment on how shiny his coat is. Definitely worth the price difference for his well being.

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  • Hills Large Breed

    By on

    I have purchased Science Diet Large Breed dog food for approximately 20 years. All of the dogs have done extremely well with the dog food. I will always buy this food for my dogs.

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  • Great food

    By on

    Just switched the pups to Adult dog food with no problems. Love Science Diet; there skin and coats are wonderful. Everyone always asks what do you do to get thee coats looking so good? My reply...Science Diet

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  • Taz is a happy camper

    By on

    My dog has always loved Hills Science Diet. Only issue is I bought the wrong one. I should have gotten the one for adult large dogs over 5 years old. Oh well he loves the taste of it.

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  • Excelllent Dog Food

    By on

    This food really worked for my Lab. I tried a lot of dog foods which she did not like and finally ended with this one. Will continue with this one.

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  • My dog loves this food!

    By on

    We adopted a dog a month ago and he came eating a more expensive organic dry food. When we started the switch he would preferentially eat all the Science Diet pellets first. He still loves it and it's a much better price point for our family.

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  • Can not wait to eat!

    By on

    It took my owner 10 months to figure out I love this food. She kept changing my food but since she bought Hill's Science Diet, I can't wait till it is time to eat. I have even begun to remind her that my bowl is empty and I clean my bowl every time. Love this!

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  • Great! Wish they sent the 38.5 lb bag though.

    By on

    My dog loves this food! Wish they could sent the extra 3.5 lbs though, with a dog as big as he is every pound of food counts.

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