Every dog has an entire ecosystem living within them - the gut microbiome, full of billions of diverse microbes unique to your pet. With the right nutrients to help balance their microbiome, you can actually affect not only their digestive health, but their overall well-being. That's why we developed Science Diet Perfect Digestion dry dog food with our ActivBiome+ Technology ingredient blend of prebiotics. It's a breakthrough nutrition that supports each dog's unique gut microbiome for healthy digestion and balanced nutrition that helps your dog feel their best.100% Manufacturer Satisfaction Guaranteed

Perfect poop in 7 days
Supports ultimate digestive well-being and a healthy microbiome
Premium dog food that promotes regularity and healthy stools
Hill's Science Diet provides biology-based nutrition to anticipate your pet's ever-changing needs as they grow from a puppy or kitten into an adult dog or cat.
Made for healthy pets of every age and size, we also have options for dogs and cats with special needs - including weight management, healthy digestion and much more.
All Science Diet dry foods offer: Natural, great tasting ingredients with high-quality protein as ingredient #1, Precise nutrition to support healthy skin, coat and stool, Clinically proven antioxidants for a healthy immune system

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Reviews

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212 reviews with 5 stars.

34 reviews with 4 stars.

9 reviews with 3 stars.

4 reviews with 2 stars.

4 reviews with 1 star.

Overall Rating

4.7

160 out of 171 (94%) reviewers recommend this product

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Summary of Reviews

AI-generated from customer reviews, which may include incentivized reviews.

The Hill's Science Diet Adult Perfect Digestion Salmon Dry Dog Food received very positive feedback from customers. Many reported that their dogs enthusiastically ate the food and enjoyed the flavor, ...

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1 to 4 of 263 Reviews .

1 – 4 of 263 Reviews

DocJ

Los Angeles

Review 1

3 out of 5 stars.

Recipe seems to have changed? Why and how?

a month ago

My dog had Giardia as a puppy. It disrupted her digestive system for a long time even though she was cleared of it via confirmed labs. This food seemed to help finally firm up her poop. She'd gobble the kibble down until recently when I noticed it changed in size and is larger. She now picks at it a little untill she's starving, then later in the day, she'll finally eat it all. What else besides the kibble size changed in this recipe? Obviously, something has! When companies make changes, they really should explain them on the bag!

Originally posted on Hill's Pet Nutrition

Response from Hill's Pet Nutrition:

a month ago

Hills Pet Nutrition Consumer Affairs

Thank you for your review. To maintain our leadership in nutritional health care for companion animals, Hill’s periodically makes changes to product formulas to incorporate additional health or product design benefits. Hill's Science Diet Adult Perfect Digestion Salmon, Whole Oats, and Brown Rice Recipe Dog Food had a formula upgrade in 2025. We generally suggest doing a 7-day transition, as this allows the pet time to get used to the new flavor and ingredients. We are disappointed to hear that we didn't get your dogs taste of approval for the formula upgrade and we will be sure to share your comments with our team. Additionally, we offer a 100% guarantee on our products; please contact the retailer if you would like to return this purchase.

Lisa0113

Mt. Juliet Tn

Review 1

5 out of 5 stars.

Best dog food in my opinion

2 months ago

We buy this specific dog food every week / week and a half for our Belgian Malinois and Goldendoodle. They love it while maintaining a healthy weight and have no health issues.

Yes, I recommend this product.

Originally posted on Hill's Pet Nutrition

Review 1

5 out of 5 stars.

10/10 recommend

3 months ago

What a huge difference I have noticed not only in my dogs coat but as silly as it sounds when she goes #2 it looks like gut healthy #2

Yes, I recommend this product.

Originally posted on Hill's Pet Nutrition

Franklin

Review 1

5 out of 5 stars.

Yummy

8 months ago

Frankie loves Science Diet specially your Lamb Meal Brown Rice & Salmon

Yes, I recommend this product.

Originally posted on Hill's Pet Nutrition

Hill's Science Diet Adult Perfect Digestion Salmon Dry Dog Food

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Hill's Science Diet Adult Perfect Digestion Salmon Dry Dog Food

Neighbor’s Club Members earn points with purchases.

Hill's Science Diet Adult Perfect Digestion Salmon Dry Dog Food

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Reviews

Rating Snapshot

Overall Rating

Review this Product

Thank you for your feedback

Recipe seems to have changed? Why and how?

Best dog food in my opinion

10/10 recommend

Yummy