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Deal.ai › Purina › Pets
Purina
Purina Gastroenteric Canine Formula Dry Dog 16.5 lbs.

Purina Gastroenteric Canine Formula Dry Dog 16.5 lbs.

Best price now

$85.99at ChewyChecked 11 h ago

Compared across 4 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission. Price via Klarna.

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Price facts

  • Lowest price today: $85.99 at Chewy (checked Nov 10, 2026).
  • Checked at 4 stores.

Our take on the Purina Gastroenteric Canine Formula Dry Dog 16.5 lbs.

Purina Gastroenteric Canine Formula is a veterinary dry food for adult dogs with sensitive stomachs or digestive upset. It uses a low-fat recipe with added fiber and probiotics to support digestion and firm stools. It competes with prescription-style gastrointestinal diets from Hill's and Royal Canin, and owners often choose it as a more accessible option. Reviewers say many dogs accept the taste and settle well on it, though some picky eaters refuse it and a few report loose stools at first.

Best forAdult dogs with sensitive stomachsDogs recovering from diarrhea or vomitingOwners managing digestive issues long termMulti-dog homes needing an everyday gentle diet
Pros
  • Low-fat formula eases digestion for sensitive dogs
  • Added fiber and probiotics support stool quality
  • Kibble size suits most adult dogs
  • Widely available and easy to find
  • Vets commonly recommend the Purina gastrointestinal line
Cons
  • Not a true prescription diet, so severe cases may need more
  • Some dogs refuse the taste or smell
  • Kibble can be too large for small breeds
  • Transition period can bring loose stools

Purina Gastroenteric Canine Formula Dry Dog 16.5 lbs. prices at every store

  • Tractor Supply CoNew

    In stock

    $85.99Free shippingChecked 11 h ago
    Visit Tractor Supply Co
  • ChewyNew

    In stock

    $85.99Free shippingChecked 11 h ago
    Visit Chewy
  • PetsmartNew

    In stock

    $85.99+ $5.99 shippingChecked 11 h ago
    Visit Petsmart
  • PetCareRxNew

    In stock

    $102.50Free shippingChecked 11 h ago
    Visit PetCareRx

Store links may earn us a commission. Some prices via Klarna.

Purina Gastroenteric Canine Formula Dry Dog 16.5 lbs. price history

Lowest price we've seen: $85.99 on Nov 10 at Tractor Supply Co. Tracked across 4 stores since Nov 10.

What reviewers say

Owners of dogs with sensitive stomachs generally report firmer stools and fewer digestive episodes after switching. Some dogs refuse the food, and a few owners see loose stools during the transition.

What people mention
  • DigestionPraisedOwners say stools firm up and stomach upset settles after switching.
  • PalatabilityMixedMany dogs eat it readily, but some picky dogs turn away from the smell and taste.
  • TransitionCriticisedA few owners report loose stools in the first days of switching.
  • Kibble sizeMixedThe pieces suit medium and large dogs but are large for small breeds.
  • ValuePraisedOwners find it a practical everyday option compared with prescription diets.

Specifications

Food Type
Dry FoodSource
Packaging
BagSource
Age Group
AdultSource
Special Diets
Digestion and StomachSource

Questions and answers

Is this the same as a prescription gastrointestinal diet?
No. It is a veterinary-channel formula for digestive support, but it is not a prescription diet. Dogs with severe or diagnosed conditions should follow a vet's specific recommendation.
How do I switch my dog onto it?
Mix it with the current food over about seven days, increasing the new food gradually. A slow transition lowers the chance of loose stools.
Is it suitable for puppies?
It is formulated for adult dogs. Puppies and pregnant or nursing dogs need a diet made for growth.
How does it compare with Hill's and Royal Canin gastrointestinal diets?
It offers similar digestive support with fiber and probiotics at a lower cost. The rivals have more prescription-grade options for severe cases.
How should I store the bag?
Keep it sealed in a cool, dry place and reseal after each use. Follow the feeding guide on the bag and adjust for your dog's weight.
Where is the Purina Gastroenteric Canine Formula Dry Dog 16.5 lbs. cheapest?
At Chewy, for $85.99, as of our latest check.
Where can I buy the Purina Gastroenteric Canine Formula Dry Dog 16.5 lbs.?
4 stores we checked sell it, including Tractor Supply Co, Chewy, Petsmart, PetCareRx.

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