Hill's Science Diet Adult Perfect Weight Dry Dog Food

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28.5-lb bag
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Hill's Science Diet Adult Perfect Weight dog food provides breakthrough nutrition formulated to help your dog achieve a healthy weight and improve quality of life.

Key Benefits

  • A proprietary ingredient blend to support healthy weight loss with real chicken as the #1 ingredient to maintain lean muscle
  • 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
  • Dogs at a healthy weight are less prone to develop weight-related issues, and live happier, healthy lives
  • Recommended for adult dogs that require fewer calories (i.e. dogs that are less active, neutered or otherwise prone to weight gain)

See all items by Hill's Science Diet

  • Item Number
  • Brand
  • Breed Size
    All Breeds, Small, Medium, Large
  • Food Form
    Dry Food
  • Lifestage
  • Made in
    United States
  • Special Diet
    Weight Control

Nutritional Info


  1. Chicken, Cracked Pearled Barley, Brown Rice, Pea Bran Meal, Corn Gluten Meal, Chicken Meal, Tomato Pomace, Oat Fiber, Chicken Liver Flavor, Flaxseed, Dried Beet Pulp, Coconut Oil, Lactic Acid, Pork Liver Flavor, Potassium Chloride, L-Lysine, Dl-Methionine, Dried Carrots, Iodized Salt, Lipoic Acid, 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 (Manganese Sulfate, Ferrous Sulfate, Zinc Oxide, Copper Sulfate, Calcium Iodate, Sodium Selenite), Taurine, L-Carnitine, Mixed Tocopherols for Freshness, Beta-Carotene, Natural Flavors, Apples, Broccoli, Cranberries, Green Peas.

Caloric Content

  1. 291 kcal/cup
Guaranteed Analysis
Crude Protein 24.0% min
Crude Fat 9.5% min
Crude Fiber 13.0% max
Vitamin C 85 mg/kg min
Vitamin E 500 IU/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.

Pet Lovers Also Bought

Precisely Balanced Nutrition for Weight Control

Hill's Science Diet Perfect Weight dog food provides breakthrough nutrition to help dogs achieve a healthy weight and improve their quality of life. These yummy recipes are specially formulated for adult dogs who require fewer calories including less active dogs, neutered dogs or dogs who are otherwise prone to excess weight gain.

Precisely Balanced Nutrition for Weight Control
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.



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.



Helps improve digestion, aid in weight loss and increase energy levels, and contains powerful antibacterial, antiviral and antifungal agents.



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

86 reviews 86 Reviews 4.8 out of 5 Stars
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100% of reviewersrecommend this product

4.8 / 5
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  • Chubby husky

    By on

    After her second litter of puppies our dog was getting a little on the chubby side. After her spay it just worsened. She normally runs for 1 hour everyday with the other dogs but that didn't seem to cut it anymore. We gave her less food but then she acted hungry. We tried this food and within 2 weeks she was losing weight and wanting to eat less. And she loves the food, so the eating less isn't because of that. She will run to her bowl when she sees it coming her way. We were on hills r/d prescription diet but that was too expensive. This has worked the same if not better and its A LOT cheaper!

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  • Great food, dogs love it, and weight control!!

    By on

    My 2 pitbulls and 2 yorkies love this brand of HSD. One pit needed to lose weight and it worked. Down to 80 lbs from 105 lbs.!! Dogs love it, no stool problems, and keeps all 4 dogs at a 'Perfect weight'!! Chewy.com is THE best place to get your pet needs. Fast, reasonably priced and overall keeps my furbabies happy!

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  • good weight loss

    By on

    Dogs love this, it smells great! In fact my big dog that doesn't need it insists I put a few on his food now or he throws a fit. The dogs I am feeding it to gobble it down and I am now able to feed my mini schnauzer a little more because he has lost all the weight he needs to. The Aussie not sure because I haven't taken him to get weighed yet and who can tell through all that hair.

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  • Science Diet perfect weight dog food

    By on

    I have used the product for about a year, I have a 4 year old golden retriever and she loves it and I love it because it helps to control her weight.❤

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  • Hill's Science Diet is the Best!

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    Hill's Science Diet has a variety of formulas made for Young Adults to Older Adult Dogs. My Lil Boy is 15 Yrs and 6 Months old, Kidney Problems, doing well on both wet and dry K/D by Hill's!

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  • great pricing and fast shipping

    By on

    I came across this company from a web search.I am glad i did. The dog food i purchased was the best price i could find and it arrived to my door with free shipping and in just two days.How could this be any better !!!! I now have it set up on auto delivery.

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  • Great Service

    By on

    Chewy did amazing on the free shipping and the price was excellent. They are now our supplier for food for our pack.

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  • eats it up!

    By on

    My Golden has gotten a little heavy with age and we need to get 15lbs off of him. While it has been too early to tell that if the weight is coming down, I can say that he loves this food and made the change from his regular food with no hesitation. Based on other reviews that I have read, I am confident that he will lose weight if we follow the plan!

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  • Amazing!!!!

    By on

    I am completely baffled... I have been buying the same exact product from Petsmart for $17 more. The best part..its delivered right to my door!! How in the world does this happen??? Thank you so much!

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  • Loves his food

    By on

    My dog, Pele loves his Perfect Weight dig food. It is good and it also seems to keep his weight where it should be !

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