Hill's Science Diet Adult 6+ Large Breed Dry Dog Food

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33-lb bag
  • 17.5-lb bag
  • 33-lb bag
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Hill's Science Diet Adult 6+ Large Breed Dry Dog Food provides your pup with precise nutrition for a healthy lifestyle. Made with wholesome ingredients such as savory chicken meal, rice and barley, this nourishing recipe is balanced to meet your pet’s needs and support joints and cartilage. Manufactured in the United States, every ingredient meets strict requirements for purity and nutrient content which exceed industry standards. Formulated for large breed dogs weighing 55 to 110 lbs and giant breed dogs that weight 110 lbs and over, this Hill’s Science Diet provides your pooch with the nutrition he needs for a lifetime of health and happiness.

Key Benefits
  • Glucosamine and chondroitin work to support joint and cartilage health in your dog.
  • Omega-6 fatty acids nourish your pooch’s skin for a healthier and noticeably shiny coat.
  • Antioxidant and vitamin E and C 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 large breed dogs.

See all items by Hill's Science Diet

  • Item Number
  • Weight
    33.0 pounds
  • Brand

    Hill's Science Diet

  • Brand

    Hill's, Science Diet

  • Breed Size

    Large Breeds, Giant Breeds

  • Food Form

    Dry Food

  • Lifestage


  • Made in

    United States

Nutritional Info

Chicken Meal, Brown Rice, Whole Grain Wheat, Whole Grain Corn, Whole Grain Sorghum, Cracked Pearled Barley, Whole Grain Oats, Pork Fat, Dried Beet Pulp, Corn Gluten Meal, Chicken Liver Flavor, Soybean Oil, Lactic Acid, Pork Flavor, Flaxseed, Potassium Chloride, 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, Vitamin B12 Supplement, Pyridoxine Hydrochloride, Riboflavin Supplement, Biotin, Folic Acid, Vitamin D3 Supplement), L-Lysine, minerals (Ferrous Sulfate, Zinc Oxide, Copper Sulfate, Manganous Oxide, Calcium Iodate, Sodium Selenite), Taurine, Oat Fiber, L-Carnitine, Mixed Tocopherols for freshness, Natural Flavors, Beta-Carotene, Apples, Broccoli, Carrots, Cranberries, Green Peas.

Caloric Content

364 kcal/cup

Guaranteed Analysis
Crude Protein 16.5% min
Crude Fat 12.0% min
Crude Fiber 4.0% max
Vitamin C 85 mg/kg min
Vitamin E 450 IU/kg min
Glucosamine 250 ppm min
Chondroitin SulFate 700 ppm 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, canned 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.


Precisely Balanced Nutrition for Adult Dogs 7+

Hill's Science Diet Adult 7+ dog food provides precisely balanced, easy-to-digest nutrition to help older dogs live a long, healthy life. These yummy recipes are specially formulated for adult dogs 7 years of age and older to support energy and vitality and promote a healthy immune system.

Balanced Nutrition for Adult Dogs 7+
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 dog is healthier, he'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.

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About Hill's Pet Nutrition
Customer Reviews
78 Reviews 78 Reviews 4.8 out of 5 Stars

97% Recommend

97% of reviewersrecommend this product

4.8 / 5

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  • Love Hill’s!

    By on

    We have been feeding our GSP’s Science Diet since 1999. They have all loved this food! The bag we received from Chewy seemed to be fresher than what I have been getting at the local stores. Our Penny was into the bowl before the scoop was in!

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  • Happy 7 year old lab

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    This was a bigger kernel size than the previous one we had been getting. Makes our dog take a little longer to chew which means he’s less likely to throw it up :-)

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  • Great dog food for my great dane and basset hound

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    We love this product and have been using it for at least a year now since my dogs are a little older. The product isn't too smelly and it appears consistent(shapes, sizes, color, etc) so that gives us confidence in the brand.

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  • Nice Product, Limited Flavors

    By on

    Overall this is a great food for my almost six year old Labrador retriever (Otto). My only complaint is that we have been feeding this to our dog his whole life and there hasn't been any new flavors. It is either the chicken or the lamb and maybe one other flavor. My pup really gets tired of the same old food flavors every day.

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  • First switch in 6 years

    By on

    After 6 years on a very high end expensive dog food I switched after careful research to Hill’s Scienec Diet. My dog loves it and has had no issues switching!

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  • Happy fur babies

    By on

    Puppy y is satisfied, mama is satisfied, everybody is happy happy happy

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  • My Friends dogs love it

    By on

    My friend has fed Science Diet to her dogs for years. I buy this for her because she has been taking care of my dog while I went through treatment for cancer. She is especial Angel.

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  • Science diet

    By on

    Good food, Vet recommended because it is tried and tested before it's marketed, and my dogs love it.

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  • We love the convenience and pricing of Chewy.com!

    By on

    We recently switched from a premium grain-free, high-protein kibble to this product, for its nutritional profile. Our 10 yr old 80 lb & 7 yr old 50 lb Standard Poodles responded positively - less urination and irregularity, much more energy - they are very active dogs.

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  • Awesome food!

    By on

    I got this food for my 12 year old boxer to help with easier digestion. She absolutely loves it! The kibbles were larger than I expected, but my dog doesn't have any problems eating or digesting it other than a slightly longer eating session. I would definitely recommend this food!

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