Hill's Science Diet Adult Perfect Weight Dry Dog Food

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28.5-lb bag
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Provide breakthrough nutrition for your pup with Hill's Science Diet Adult Perfect Weight Dry Dog Food. Just like humans, extra weight can lead to health issues. Excessive weight will reduce play time, impact mobility and affect the lifelong general health of your dog—but now there is a food designed to help your dog achieve a healthy weight and improve his quality of life. This delicious recipe is made with real chicken to maintain lean muscle, and includes prebiotic fibers for gentle digestion. Plus, a clinically proven blend of antioxidants with vitamins C and E helps support a healthy immune system. Proven to work, more than 70% of dogs fed this diet lose weight within just 10 weeks!

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

Nutritional Info


Chicken, Cracked Pearled Barley, Brown Rice, Pea Fiber, 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

291 kcal/cup

Guaranteed Analysis
Crude Protein 24.0% min
Crude Fat 9.5% min
Crude Fiber 13.0% max
Moisture 10.0% max
Vitamin C 85 mg/kg min
Vitamin E 500 IU/kg min

Feeding Instructions

Weight Daily Feeding for Weight Loss (cup) Daily Feeding for Weight Maintenance (cup)
5 lb 1/2 3/4
10 lb 3/4 1 1/4
20 lb 1 1/4 2
40 lb 2 3 1/3
60 lb 2 3/4 4 2/3
80 lb 3 1/2 5 2/3
100 lb 4 1/4 6 3/4

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.

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

153 reviews 153 Reviews 4.7 out of 5 Stars

98% Recommend

98% of reviewersrecommend this product

4.7 / 5

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  • Hills Science Diet

    By on

    Hills Science Diet Perfect Weight formula, Very fast shipping. I Love this product! My dog has issues keeping a healthy weight and this dry dog food works perfect for her, she is a pug mix. I highly recommend this dog food. Great ingredient, great company to deal with also! I was feeding a different formula and the manufacture discontinued it, i called the manufacture and they recommended this formula and sent me coupons.

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  • Jury is still out for my dog

    By on

    The jury is still out on this food for my dog. I'm not sure if it's because it's a new food or if it has a high amount of fiber in it, but she poops A LOT - even when she's sleeping! It's improving slowly, but she's a senior dog, so I may have to put her back on her senior food if it doesn't get better real soon. I switched her to this food because she's overweight and she was super gassy and bloated on her other food. The gas/bloat problem has improved greatly with this food and she may have lost a couple of pounds too.

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  • Hoping for weight loss success!

    By on

    Our Katie is a 7 year old Aussie with a low thyroid. Even hough the meds are keeping her thyroid in the normal range, losing weight has been a struggle for her. Other weight maintenance brands have not helped. So we are optimistic Hills Science Diet Adult Perfect Weight will do the trick. She loves the food and her Vet was happy we switched her.

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  • Not worth it

    By on

    Yes she is picky and overweight but I tried for days with no treats and all the serving tricks I read about. My English Shepherd just didn't like it. I mixed it with other dog food and she managed to pick the stuff she liked out. I gave the bag to the shelter and went back to TOW with smaller servings. She loves it.

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  • Our dogs liked it.

    By on

    We were told by our vet and the kennel we rescued our new dog From to change them from Pura dog food to something else. So Far she likes it and the service was fast. Our new one needed Their Kidney Care food. Price is the same from our vet which surprised us a little. Will keep getting the perfect weight for our Other dog. Was easy to set up and change delivery periods needed.

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  • My dog loves it!

    By on

    I switched my dog over to this food because she was gaining a bit of weight. I was nervous at first, but she absolutely loves it. She eats it up in seconds. I have heard great results about this food helping with weight loss, and I do see a slight difference in only 2 weeks!

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  • Dog food delivery

    By on

    Great food for controlling our 9 year old dog’s weight. Excellent service, next day delivery for 15 lbs of dog food. No longer will I be wrestling with this bag on the top shelf in the store! Thanks Chewys

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  • Just switched

    By on

    We just switched over to this dog food 2 weeks ago. So far my yellow lab is loving it. She seems like she has more energy and looks slightly thinner! I'm hoping she sheds some more pounds and continues to enjoy it.

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  • Small mixed dog loves it

    By on

    My small mix dog loves this blend and size of food. My 2 very small dogs, yorkie and Maltese, love to steal this food also So it must be good, because they are picky

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  • New kibbles

    By on

    Luke loves his new kibbles, right size, seems to be great tasting since he wolf's them down. We have him on portion control, since he has to shed a pound or too. This is in addition to his science wet food.

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