PURINA PRO PLAN VETERINARY DIETS FortiFlora Powder Digestive Supplement for Cats, 30 count - Chewy.com

Purina Pro Plan Veterinary Diets FortiFlora Powder Digestive Supplement for Cats

By Purina Pro Plan Veterinary Diets
Rated 4.6338 out of 5 stars

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About This Item


  • Great-tasting probiotic supplement powder for cats.
  • Crafted in collaboration with nutritionists, researchers and veterinarians.
  • Developed using a proprietary microencapsulation process for enhanced stability.
  • Contains live microorganisms to help support feline digestive health.
  • Specially formulated to promote normal intestinal microflora in cats suffering from diarrhea.

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Nutritional Information

Feeding Instructions


Play Video: Learn More About Purina Pro Plan Veterinary Diets From Our Team of Experts
Learn More About Purina Pro Plan Veterinary Diets From Our Team of Experts

About Purina Pro Plan Veterinary Supplements for Cats

Supplements You Can Trust

From gastrointestinal and immune health to anxious behaviors and hydration issues, find support for your pet with Purina Pro Plan Veterinary Supplements. Trusted by veterinarians, every supplement is backed by research, including Purina’s line of probiotic supplements that represents their leadership in the field of microbiome research.

Easy to Administer

Each supplement was designed to be effective and easy to give your pet via powder sachets or liquid pouches.

Made by Experts

Pro Plan Veterinary Supplements are developed by a collaborative network of scientists, veterinarians and nutritionists.

Exceptional Quality

In a typical shift, Purina conducts 400+ quality checks on ingredients, packaging, receiving, processing, and packing.

Responsible Sourcing

Each ingredient can be traced back to its trusted supplier, so quality may be evaluated all the way back to the source.

About Purina Pro Plan Veterinary Supplements

Purina Pro Plan is committed to the health of every pet— especially those pets with unique needs. These advanced veterinary supplements are backed by decades of research and supported by a global network of scientists. Purina’s knowledge and experience continues to lay the groundwork for innovative supplements trusted by pet parents and veterinary professionals alike.

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Questions & Answers

34 Customer Questions

Is it as effective, or near as effective, to break the packet in half and sprinkle it on food twice daily? My cat likes it so much, he would eat more if I spread it over two rather than one meal.
Answer by ChewyMay 10, 2018
One sachet contains 500 million live microorganisms, and it's important to give them the entire packet at once so that the highest possible number of good bacteria reach your pet's lower intestine intact. A higher population will provide more beneficial effects to their digestion and health.

How long does it take to work?My cat just started eating it today. Thanks!
Answer by ChewyJan 09, 2018
Just like any probiotic, FortiFlora for cats can take some time to start working. While minor improvements might be observed during the first few days, you’ll really start to see the full effects of FortiFlora after your cat has been on it for a week or two.

Can this be used as a bribe to get cats to eat raw food?
Answer by ChewyApr 23, 2018
This supplement is not meant to entice your cat to eat a certain food. It is intended to be a digestive aid, supplying the healthy microorganisms needed for good digestion.

Weill this product do anything to help with a furball issue?
Answer by ChewyMar 23, 2018
Probiotics and enzymes help maintain a healthy digestive system and helps to prevent any potential diseases of the digestive track. They will also help your cat pass any undigested food that tends to attach to hair sitting in the digestive track, thus helping him pass hair before it becomes a hairball.

ReviewsWrite a Review

Rated 4.6338 out of 5 stars
1726 Reviews
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1726 Customer Reviews

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Rated 5 out of 5 stars
By Megatron on Mar 15, 2023

Game changer

I found my cat 17 years ago before his eyes had even opened and I nursed him and taught him everything he knew. All his.life, he had chronic loose poos- he didn't get his antibodies and gut bacteria from his mama cat. After many vets and many medications, this turned out to be the only ring that worked. I don't hear his stomach digesting, his poor are poo shaped, and he has gained weight. I just wish I had found it 17 years ago as he will be q8 this summer.

Rated 5 out of 5 stars
By Nicky on Mar 6, 2023

FortiFlora for Pets with Sensitive Stomachs

My vet prescribed for my cat's sensitive stomach. It's in powder form so I shake a little into my cats food and he eats it. He keeps his food down. It's a probiotic and works the same way probiotics work for people. One of my dogs gets FortiFlora for a sensitive stomach too. She completes her meal and is ready to go. Both pets receive the nutrients from their food. I give my pets healthy brands of pet food and the probiotic helps their stomach digest their food. My pets feel good and I don't have to clean the floor after they eat.

Rated 5 out of 5 stars
By GmaSue on Feb 20, 2023

Helping save sick kittens

My daughter recently adopted two littermate kittens (now about 3 months old) through a local shelter, not knowing how sickly they were - bloody diarrhea, anemic, ear mites, snotty sneezes. I bought her these probiotic supplements and, along with good food and lots of TLC, after a couple weeks, Baby and Chloe are finally doing better. This is a good supplement that has really helped, and hopefully will mean a good chance at a long life for our sickies. Stools are firmer with no blood, kittens are livlier and more interested in play and food.

Rated 5 out of 5 stars
By Brady on Feb 10, 2023

game changer!

This probiotic was recommended by my veterinarian a few years ago when my 15 year old cat became very sick and ultimately was diagnosed with IBD. He’s been eating this sprinkled on his dry food in combination with a great wet food. His IBD, and digestive issues have almost completely disappeared. Actually his overall health, at age 15, is better now then it’s been even in past years! Also, he actually looks forward to eating this! It’s like a treat to him and even when he gets sick and won’t eat, I sprinkle this on his food and this on his food and he eats it every time! I’m so happy this product exists because it’s magic! It’s definitely pricey but it’s worth it. Great investment for kitty’s health! Happy kitties and happy bellies!

Rated 5 out of 5 stars
By Purrfectothecat on Feb 11, 2023

Resolved Smelly poop issues

My 14 yr old kitty has Diabetes and IBS. His poop smell would burn your nose hairs and it was impossible to deal with. You could smell his poop 3 or 4 rooms down. Even he was frustrated that he used to cry and bang on the door to get my attention as soon as he pooped as he could not handle the smell. Given he has diabetes we cannot add supplements willy nilly but this Probiotic is good for him. It has not caused any adverse effects and his IBS has been under control finally! His poop smell has reduced significantly ( 90% improved) and he is not as gassy as he used to be before. So, totally a fabulous add to his routine feeding.Finally, my nose hairs are saved lol!

Rated 5 out of 5 stars
By GinaM on Mar 12, 2023

Finicky kitty loves it!

My vet recommended I add this to my fur baby's food. He is a long haired main coon and vomits often. I only give him 1/2 of a small can wet food each morning and he usually just licks the gravy. I added the powder supplement to the food and he loves the flavor. He now eats the entire bowl, and his vomiting has stopped.

Rated 5 out of 5 stars
By Unsatisfied on Feb 16, 2023

Great product

My cat goes crazy for this. I used to keep the fortiflora box on the kitchen counter but noticed that the packets were mysteriously disappearing. Then I discovered white paper in my little gremblin princesss poop. One day I caught her red handed sprinting off with a packet and trying to eat it, packaging and all. Now I keep the fortiflora in my cabinet but my gremblin princess still counter surfs everyday looking for it.

Rated 5 out of 5 stars
By Veronica on Feb 13, 2023

Worked 100%

We have two cats that need to take meds as well as special food. Nope they may eat a little then turn their nose up and walk away. Def didn’t like the medicine or the taste of healthy expensive food. A little bit of this product with water and boom, food and meds gone! They really like the flavor. Bet gave the product initially and I will continue with it! Thank you Rhinebeck Animal Hospital and thank you Purina pro plan

Rated 5 out of 5 stars
By Mimi on Feb 16, 2023

Service & products

The products arrive in a timely manner, even when you order from their pharmacy. If there's a problem they notify you immediately. Chewy's customer service is best. In my opinion they are a wonderful company to do business with. They truly care about their human customer and their fur babies. Your treated like family. Keep up the great work

Rated 5 out of 5 stars
By SaraBaraBoo on Feb 13, 2023

Game changer for my cat!

This was recommended by my vet after my 6 year kitty had constant runny #2. After a few days on this, she has had solid stool and licks her bowl clean. My other cat tries to eat her food now because this is sprinkled on top. It is a little pricy but worth it for my fur baby to have a happy tummy and less for me to clean up. Household staple for us forever now!