Hill's Science Diet Adult Small & Toy Breed Dry Dog Food

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In stock
  • 4.5-lb bag
  • 15.5-lb bag
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  • Item Number
  • Weight
    15.5 pounds
  • Brand
  • Breed Size
    Small, Extra Small
  • Food Form
    Dry Food
  • Lifestage
  • Made in
    United States

Hill's Science Diet Adult Small & Toy Breed dog food provides precisely balanced, easy-to-digest nutrition tailored for small and toy breeds.

Key Benefits

  • Recommended for adult dogs 1-6 years of age that weigh up to 25 pounds when full grown
  • High-quality chicken protein
  • Vitamins C & E enhance immunity to support long life expectancy
  • Omega 6 fatty acids for healthy skin and shiny coat
  • Calcium to support bone and muscle strength
  • No chicken by-product meals
  • 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 Meal, Whole Grain Wheat, Brewers Rice, Whole Grain Sorghum, Soybean Meal, Cracked Pearled Barley, Pork Fat, Chicken Liver Flavor, Soybean Oil, Flaxseed, Lactic Acid, Pork Liver Flavor, Dried Carrots, Dried Spinach, Dried Grape Pomace, Dried Tomato Pomace, Dried Citrus Pulp, Iodized Salt, Oat Fiber, Choline Chloride, Vitamins (Vitamin E Supplement, L-Ascorbyl-2-Polyphosphate (Source of Vitamin C), Niacin Supplement, Thiamine Mononitrate, Vitamin A Supplement, Calcium Pantothenate, Biotin, Vitamin B12 Supplement, Pyridoxine Hydrochloride, Riboflavin Supplement, Folic Acid, Vitamin D3 Supplement), Minerals (Ferrous Sulfate, Zinc Oxide, Copper Sulfate, Manganous Oxide, Calcium Iodate, Sodium Selenite), Taurine, Potassium Chloride, Mixed Tocopherols for Freshness, Phosphoric Acid, Beta-Carotene, Natural Flavors.

Customer Reviews

Rated 4.9 out of 5 by 146 reviewers.
Rated 5 out of 5 by Great I love science diet dog food. My dogs have been on it since they were puppies. October 18, 2016
Rated 5 out of 5 by Great Dog Food I had never purchased science diet foods for my dog before. All my previous dogs have done well with pedigree. When I resscued my little Shih Tzu/Maltese, he would not eat much of it. He has a slight sensitive stomach and is picky with what he eats. When I switched over to this dog food, my dog started gaining a healthier weight and his fur even got thicker. He's a very happy energetic little guy now! October 12, 2016
Rated 5 out of 5 by rescued brussels/yorky mix we rescued a 3 yr old brussels/yorky mix july 10th. she was extremely underweight since she had been found as a stray. she came with a small bag of science puppy food which she refused to eat. then we tried science fittness & she wasn't crazy about that either. finally we tried the small breed science diet & frankly she just can't get enough of it! she has gained weight & is now at normal weight , her hair was dull & gummy when we got her & now it shines like glass & is soft & silky. she runs like the wind now & is one happy happy dog. we also feed science diet treats & she gobbles them up! i cut science canned food into thin tiny wedges & freeze them to use as treats & to help her get back to a normal weight. she can't get enough of those either. she has blossomed like a flower in every area since she began eating the science diet dry for small breed. it's like a miracle for her & us. thank you science diet for bringing this beautiful little starving stray back to superior heath ! we feed no other brand in this house. August 28, 2014
Rated 5 out of 5 by Good Nutrition As recommended by our vet, I'm confident feeding Hill's Science Diet Puppy to my prized possession! August 18, 2016
Rated 5 out of 5 by Wouldn't change my dogs' food if I could This has been the best food I could give my dogs. Their coats are soft and glossy, eyes are bright, they're in perfect shape, and they seem to love the taste. We also use the wet food for their morning feeding and it has never upset their stomach. I also appreciate the small bites version of all of the foods you offer! A dog I had prior to the ones I have now had horrible allergies that would result in very itchy skin. I regret not feeding him Hill's. I did feed him the Prescription Diet and it helped so much but after the vet took him off of it, I never fed him another version of Hill's and I'm sure if I did, he would've felt better. I'm so happy and pleased with the results of this food with my current dogs! These dogs are family to us and I don't want to feed them "just anything". They deserve the best so that they can live a long and healthy life! With this food, I believe we'll achieve that. Two paws up!!! [This review was collected as part of a promotion.] November 11, 2013
Rated 3 out of 5 by No Velcro closure? Love that I can get 'the BIG bag' through Chewy.com! (Our local pet shops only carry the small package sizes for little dogs.) Disappointed that it did not have a Velcro closure like the smaller bags do though. July 8, 2016
Rated 5 out of 5 by Excellent Service and Product I am very pleased with my purchase and I will place more orders in the future. Thank you. July 8, 2016
Rated 5 out of 5 by This product is so healthy and nutritious for your dogs healtn My pekingnese lives up to his breeds stubborn and picky personality! He loves science diet so much that it is the only food he will eat. And I am so happy about this because it gives him the daily nutrients he needs to stay in good health May 20, 2016
  • 2016-10-23 T05:38:41.504-05:00
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