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Purina FortiFlora

$38.87 $27.99 
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Canine 30 packets
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Feline 30 packets
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$38.87 $27.99 
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Product Info
How to Use
Customer Reviews
Product Info

What is Purina FortiFlora?

Purina FortiFlora is the number one probiotic recommended by veterinarians in the United States. It's inevitable that at some point our pets will have some stomach issues. As horrible as it is to have our beloved pets not feel well, there is help. For years, probiotics have been known to help pets with gastrointestinal issues and to promote intestinal balance. It contains a special strain of probiotic that has been proven to promote intestinal health and balance, as well as promote immune health. Purina FortiFlora contains high levels of antioxidants such as vitamins A, E, and C, and contains a guaranteed amount of live active cultures, which all work together to give your pet excellent intestinal health. In addition, FortiFlora helps pets that have diarrhea due to stressful situations and food intolerances. And FortiFlora is palatable, so you won't have to worry if your dog or cat will eat it or not.


Dogs & Cats


  • Contains a special strain of probiotics to help promote intestinal health
  • Contains active live cultures, vitamins, and helps promote a healthy immune system
  • Vet recommended and safe to use
  • 30 packets in each box

How does Purina FortiFlora work?

Purina FortiFlora contains active live cultures and a special strain of probiotics to help promote intestinal health and balance in dogs and cats. FortiFlora has been shown to be safe for use, and has excellent palatability. FortiFlora is great for any pet to help promote happy, healthy tummies. It also may help nutritionally manage pets with diarrhea due to:

  • Boarding or a change in home environment
  • Diet change or consumption of inappropriate foods
  • Soft stool in puppies or kittens
  • Recovery after antibiotic therapy

In addition, the probiotic in FortiFlora, Enterococcus Faeceium, has been shown to promote immune health. It can help promote immune system health in young pets before and during immunizations, in aging pets with weakened immune systems, and in pets experiencing weakened immune systems due to illness or treatment.


Consult with your veterinarian before using this product.

How to Use

Purina FortiFlora Directions:

  • Always talk to your veterinarian before giving your pet any new supplement.
  • Feed 1 packet daily under the supervision of your

Your vet may change the dosage amount for your pet. Use only as directed by your vet.


Purina FortiFlora Ingredients:

FortiFlora Canine:

Ingredients:Animal digest, Enterococcus faecium, L-ascorbyl-2- polyphosphate (source of Vitamin C), brewers dried yeast, Vitamin E supplement, zinc proteinate, beta-Carotene, salt, manganese proteinate, ferrous sulfate, copper proteinate, calcium iodate, sodium selenite.

FortiFlora Feline:

Ingredients:Animal digest, Enterococcus faecium, brewers dried yeast, L-ascorbyl-2-polyphosphate (source of Vitamin C), Vitamin E supplement, beta-Carotene, zinc proteinate, taurine, salt, manganese proteinate, ferrous sulfate, copper proteinate, calcium iodate, sodium selenite.

Guaranteed Analysis
Crude Protein (Min)
Crude Fat (Min)
Crude Fiber (Max)
Moisture (Max)
Microorganisms (Min) (Enterococcus faecium)*
1 X 108 CFU/g
Contains a source of live (viable) naturally occurring microorganisms.
Contains: 1 box of 30 - 1 gram packages.
* Not recognized as an essential nutrient by the AAFCO Dog Food or Cat Food Nutrient Profiles.
Customer Reviews
Purina FortiFlora is rated 4.8 out of 5 by 44.
Rated 4 out of 5 by from Love this product! Started using this two months ago and seen a big improvement with her bowels. I only use half the packet at dinner time, when I used a full packet it bind her bowels too well, so I found the happy medium and it’s working very well for her. thank you for the great reviews!
Date published: 2018-01-08
Rated 5 out of 5 by from Best product ever! We have been giving this to our Rottie for over 3 years now. She takes multiple medications which upset her tummy and also gives her herindous gas issues. Instead of kicking her out of the house or having guests wear gas masks, we sprinkle this on her food daily and it keeps our home from being fumigated. She is definitely a happier girl when she has Fortiflora helping her out.
Date published: 2017-12-31
Rated 5 out of 5 by from Wonderful tip from vet One of my cats has serious asthma. All efforts to get her meds orally failed so we were giving her monthly injections. She suffered an attack and in an emergency situation hurried her to closest vet. This doc suggested crushing pills very finely and mixing with a small amount of wet food, then sprinkling some fortiflora over it. Dovey now eats the food more monthly steriod injections!
Date published: 2017-12-12
Rated 5 out of 5 by from 'Miracle' product My long-hair male had a serious digestive problem. Tried a number of different food products with no success. His vet recommended FortiFlora. In no more than two days did it prove to be one hundred percent effective. Great product with no side effects. Great thanks to Purina.
Date published: 2017-12-10
Rated 5 out of 5 by from Great Product Bought this product to help my cat recover from parasite treatment and the use of antibiotics. The powder sprinkled on Purina Indoor Chicken Pate cat food made her eat it even more eagerly than before.
Date published: 2017-12-06
Rated 5 out of 5 by from Awesome! Our younger dog had problems throwing up and diarrhea. Our vet recommended Fortiflora that was about 8 years ago. Now our older dog 11 years old started having diarrhea and throwing up. We decided to get Fortiflora, Right away we saw the results she's doing really good no more diarrhea or getting sick. Thank you.
Date published: 2017-10-13
Rated 5 out of 5 by from My Cats Love It Makes my cats love their food, it keeps them regular that is nicely formed (lol) and me minimizes throwing up. Just wish it wasn't so expensive and that it came in a little bottle not little individual packets.
Date published: 2017-09-08
Rated 5 out of 5 by from It works! I bought this because dog had on and off diarrhea. The vet recommended probiotics, but of course the ones prescribed were super expensive for a small amount. I found this product and it has been amazing at regulating my dog! Now it is rare that he gets diarrhea!
Date published: 2017-08-11
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How many uses does each packet provide for a 92 lb Boxer per day? And do I add it to his food once or twice per day?

Asked by: DebC
Feed 1 packet daily.Your vet may change the dosage amount for your pet. Use only as directed by your vet.
Answered by: Cherley Petmeds Pro
Date published: 2017-10-19

Is there a difference between the feline and the canine version?

Asked by: Moni
Purina Fortiflora is one formula which is used for both dogs and cats. Your veterinarian will determine if administration may be beneficial to your specific pet.
Answered by: Lisa M
Date published: 2017-10-19

My dog is not eating its this vitamin will give him appetite or have any other suggestions?

Asked by: Janet
Thank you for your question. The Purina FortiFlora helps promote intestinal health and balance in dogs and cats. We do have Nutri Cal High Calorie Dietary Supplement which is used to provide additional caloric and nutritional intake in dogs that will not eat.
Answered by: Crystal PetMed Pro
Date published: 2017-06-27

What is the dose. Do large dogs use as much as small dogs?

Asked by: Panda
Thank you for your question. You would give 1 packet per day of the supplement no matter your dogs weight unless otherwise instructed by a veterinarian.
Answered by: Crystal PetMed Pro
Date published: 2018-01-07

How long before we get results

Asked by: Doxie
2-3 weeks
Answered by: Amy Petmed Pro
Date published: 2017-10-19

Is it common for dogs to have soft stool during the first week using fortiflora? Shortly after every dose my dog poops and it is smelly, light in color, and soft. This only happens right after his dose. Is it just because he is adjusting? 

Asked by: Mcook64
Side effects, also known as adverse effects, are generally more likely to occur when starting treatment. Individuals may also experience side effects from Fortiflora Canine as a result of an interaction with other medications. Please contact your veterinarian if they become worse or bothersome.
Answered by: Amy Petmed Pro
Date published: 2017-10-19

What should the dosage be for a 125 pound newfie

Asked by: Bill
The manufacturer did not provide any dosage on this product. They state you will need to consult a veterinarian before using.
Answered by: Carolyn Petmed Pro
Date published: 2018-01-07

I am trying to order fortiflora canine for my Miller that always has issues with his stomach since he is a older boy,but it is out of stock.I saw the other options but can you tell me if they work as well as fortiflora? Thank you

Asked by: Birba27
Purina FortiFlora Probiotic is currently back in stock.
Answered by: Christine
Date published: 2017-10-19
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