Hill's Science Diet Adult Large Breed Dry Dog Food, 38.5-lb bag

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

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

Key Benefits

  • 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
  • Real chicken is the #1 ingredient
  • Natural sources of glucosamine and chondroitin for healthy joints and mobility
  • High-quality protein maintains strong, healthy muscles
  • Omega 6 fatty acids and vitamin E for healthy skin and coat
  • No chicken by-product meal
  • Made in the USA!

See all items by Hill's Science Diet

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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.

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 dog is healthier, he's happier too.

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 fiber and minerals and a good natural source of beta-carotene, an antioxidant essential for neutralizing 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

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


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.

Customer Reviews

Rated 4.8 out of 5 by 192 reviewers.
Rated 5 out of 5 by Excellent price and service First time order with Chewy. I was very happy and would recommend this service 1000%. September 25, 2016
Rated 5 out of 5 by Science Diet Well I love the fact that I don't have to haul those big old bags from the dog store. It is a very easy process. I do hope its the same food, cause my dog isn't eating as offer as he was. I'm going to give it a few days to see how it goes September 27, 2016
Rated 5 out of 5 by Perfect diet for my dog This food gives my dog plenty of energy and nutrition for her busy days September 18, 2016
Rated 5 out of 5 by I'm very satisfied My dog food shipment arrived quicker than I expected. The order was correct and the price of the dog food was competitive. If Chewy can keep these prices, I'll continue to shop with them. This was my first order. I usually order online from a large chain pet store. August 22, 2016
Rated 5 out of 5 by We love this product and so does our dog! She "talks" to ask for her Science Diet Dog Food! Our dog Chloe is a 7 year old yellow lab and has been on Science Diet for Large Breeds dog food since we first got her as a new puppy! She can't wait for her bowl of Science Diet, and even "talks" to ask for it! Crumbs are flying as she devours her Science Diet, she has always loved the taste! Her vet recommended it, and this is all that she has been fed for her entire life. Her coat is so beautiful and shiny, and she has always been so healthy... never needing to go to the vet other than wellness and vacination visits! Her check ups are always first rate and she continues to maintain her ideal weight. She is so playful and happy, runs, goes for walks, chases birds, and loves her family with great "puppy-like" exurberance, even at almost 8 years old! The proof of quality of the Science Diet brand is in the health, vitality, and beauty of our beloved Chloe. We have always highly recommended Science Diet brand dog food to all of our friends with new puppies and older dogs alike. [This review was collected as part of a promotion.] May 30, 2012
Rated 5 out of 5 by best dog food for the best prices I have always wanted to give my dogs the best quality of food but financially it was usually out of my reach. This has allowed me to give them the best at an affordable price. August 21, 2016
Rated 5 out of 5 by Great product at a fair price We have fed out Lab Science Diet dry food from the time she was a pup and she continues to have a shiny coat, clear eyes, white clean teeth and great energy and disposition. What more can you ask! August 26, 2016
Rated 5 out of 5 by Great price Great food, great price. So easy when it comes to your door. August 31, 2016
  • 2016-09-29 T06:22:34.954-05:00
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