Perfect Digestion Large Breed Adult 1+ Dog Food Packshot
Perfect Digestion Large Breed Adult 1+ Dog Food Packshot
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Hill's Science Plan

Perfect Digestion Large Breed Adult 1+ Dog Food




Science Plan's breakthrough nutrition supports ultimate digestive well-being & healthy microbiome


with Chicken and Brown Rice


Large Breed





Satisfaction guarantee

If you are unsatisfied for any reason, return the unused portion to the place of purchase for a full refund or replacement

Hill's Science Plan PERFECT DIGESTION LARGE BREED Adult dog food with Chicken & Brown Rice contains ActivBiome+, a Hill's exclusive blend of prebiotics to help rapidly nourish & balance your pet's unique microbiome.

  • Supports ultimate digestive well-being & healthy microbiome
  • Promotes regular & healthy stools with our own special blend of prebiotics
  • Delicious food with oats & barley provides balanced nutrition for overall wellness to help your pet feel their best

Additional info:

At Hill's, we study pets' biology to understand how nutrition impacts digestive health. Prebiotics are nutrients that feed the billions of microbes in the gut microbiome that are essential for good health. Our breakthrough blend of prebiotics, ActivBiome+, supports each pet’s unique microbiome for healthy digestion & overall well-being.

Science Plan pet food is available in a variety of dry foods and treats for your dog’s unique needs, and canned foods, with many delicious flavors your dog's will love.  


Recommended for:

Adult dogs 1 - 5 years to help keep their digestion in balance

Not recommended for:

Puppies, adult dogs ages 6+, pregnant or nursing dogs. During pregnancy or nursing, dogs should be switched to Hill’s Science Plan Puppy food.

Formulated to help

reduce the risk of struvite & calcium oxalate crystals

Made in the USA
with global ingredients you can trust

Proud to have helped
13 million shelter pets
find a forever home & counting



  • COMPOSITION: Wheat, maize, chicken (5%) and turkey meal (total poultry 9%), animal fat, maize gluten meal, digest, brewers' rice, brown rice (4%), barley (3.2%), oats (3.2%), ground pecan shell, minerals, dried beet pulp, flaxseed, dried citrus pulp, dried cranberries.

Adult maintenance Mixed Feeding Guide

Weight of Dog — kgs Amount per Day - 363 g cans Amount per Day - grams
25 1 + 250 g
30 2 + 195 g
40 2 + 295 g
50 2 + 385 g
60 2 + 470 g
70 2 + 555 g
80+ 2 + 79 g per 10 kgs

Adult maintenance

Weight of Dog — kgs Amount per Day - grams
25 355
30 405
40 505
50 595
60 680
70 765
80+ 103 per 10 kgs


  • 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 pet's 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.
  • To prevent suffocation, keep the packaging out of the reach of pets and children.



Days 1-2

Days 3-4

Days 5-6

Day 7

Days 1-2

Days 3-4

Days 5-6

Day 7

Days 1-2

Days 3-4

Days 5-6

Day 7

3524 kcal/kg (352 kcal/cup)

Nutrient As Fed2
Moisture 8 %
Protein 18.4 %
Fat 11.7 %
Carbohydrate / NFE 53.9 %
Crude Fiber 2.6 %
Crude Ash 4.8 %
Calcium 0.78 %
Phospohorus 0.6 %
Potassium 0.7 %
Sodium 0.22 %
Magnesium 0.095 %
Vitamin A 8524 IU/kg
Vitamin C 117 ppm
Vitamin D 666 IU/kg
Vitamin E 569 IU/kg
Omega-3-fatty acids 0.29 %
Omega-6-fatty acids 2.28 %
Beta-carotene 1.58 ppm
L-carnitine 357.9 ppm
Glucosamine 333 ppm
Chondroitin sulphate 401 ppm


1The displayed analytical values may differ slightly from the values shown on the package. Both values meet product specifications.




Science Plan

Precisely balanced nutrition that can change pets’ lives. Because when they’re healthier, they’re happier.

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