Hill's Science Diet Adult Advanced Fitness Small Bites Lamb Meal & Rice Dry Dog Food

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33-lb bag
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Hill's Science Diet Adult Advanced Fitness Small Bites Lamb Meal & Rice Recipe dog food provides precisely balanced nutrition for a visible difference in dogs who prefer a smaller kibble.

Key Benefits

  • Exclusive blend of omega-6 fatty acids, vitamins E and other nutrients nourishes the skin and promotes a noticeably shiny coat in 30 days
  • Clinically proven antioxidant blend with vitamins C and vitamins E to help support a healthy immune system
  • Naturally, 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 adult dogs 1-6 years of age

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  • Item Number
  • Brand
  • Breed Size
    Small, Extra Small
  • Food Form
    Dry Food
  • Lifestage
  • Made in
    United States

Nutritional Info


  1. Lamb Meal, Brewers Rice, Brown Rice, Corn Gluten Meal, Whole Grain Wheat, Whole Grain Sorghum, Pork Fat, Cracked Pearled Barley, Chicken Liver Flavor, Flaxseed, Lactic Acid, Dried Beet Pulp, Soybean Oil, Potassium Chloride, Iodized Salt, L-Lysine, 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), Taurine, Minerals (Ferrous Sulfate, Zinc Oxide, Copper Sulfate, Manganous Oxide, Calcium Iodate, Sodium Selenite), L-Tryptophan, Mixed Tocopherols for Freshness, L-Threonine, Phosphoric Acid, Beta-Carotene, Natural Flavors.

Caloric Content

  1. 370 kcal/cup
Guaranteed Analysis
Crude Protein 19.5% min
Crude Fat 13.0% min
Crude Fiber 3.0% max
Vitamin C 85 mg/kg min
Vitamin E 400 IU/kg min
Omega 6 Fatty Acids 2.8% 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.

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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

27 reviews 27 Reviews 4.9 out of 5 Stars
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96% Recommend

96% of reviewersrecommend this product

4.9 / 5
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  • Wonderful food

    By on

    My 5 year old goldendoodle weighed 130 # and my vet told me I was killing her. I took her off canned food and another dry food started science diet light cut back on treats and after 18 months she weighed 98# at the vet this week.

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  • Good for small and large dogs

    By on

    Excellent food for dogs. You cannot go wrong buying with Chewy. They stand behind their products and want you to be absolutely happy with your purchases. Most times when you buy enough to meet the free shipping requirements, you will receive the food the very next day! I'll never buy my pet's food anywhere else.

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  • Great Dog Food

    By on

    I am very pleased with the quality of the Hills Science Diet Advanced Small Bites Lamb and Rice Dry Dog Food. We have a miniature Jack Russel, she has a few diet /health problems. She eats this food great and doesn't get sick after eating.

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  • Bentley Loves It

    By on

    When we adopted our rescue dog, Bentley, the rescue organization had been feeding him a grocery store dog food. We asked our vet for a recommendation and he suggested Science Diet Advanced Fitness. We first tried the chicken & rice, but Bentley seemed to have some digestive problems with it, so we switched to the Lamb & Rice and it has worked well. Since the Lamb & Rice variety is difficult to find locally, Chewy.com is the perfect solution. The price is right and it couldn't be any more convenient! I just need to establish the right cycle shipments. That may take a few orders to get the timing right.

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  • Recommend for every fur baby!

    By on

    Our 12 year old American Eskimo was not very active. After 6 weeks of Healthy Mobility he was running around like a new puppy! We got our much loved dog back! We had him another 6 years before old age got the best of him. We have a 14 and 7 year old small dogs now and they eat a mix of Healthy Mobility and Lamb and Rice to stay young at heart.

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  • Great features

    By on

    I've been using this food for about a year. I have a dog that is 20 months old and was struggling with skin problems. This food has worked the best for my puppy! This is my first time using Chewy and I like that it was delivered to my door. It was also less expensive.

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  • My dog loves it!

    By on

    My corgi is a very picky eater, I tried so many dog foods and she wasn't haven't it. Until I tried this! She loves it, now I still have to mix some of the wet dog food with it but this lamb formula is all she will eat dry food wise! It has done wonders for her coat and skin as well!

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  • Llasa Apso

    By on

    I have Llasa Apsos and they excell with the Lamb and Rice formula...would highly recommend

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  • I have used science diet for my dogs over 30 years and have to say I have never had any serious health problems or worried about the food

    By on

    The customer service is beyond awesome,I will continue to be a customer. .

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  • This product is very good for my dogs!

    By on

    My black lab has some food allergies but since we switched to the Science Diet Lamb and Rice she has done really well. We have a total of four dogs, 3 adopted, and they are all eating the Science Diet and they eat less of it. Their hair is shiny and they are full of energy!

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