The Best Probiotics for Cats

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  • Updated on: 08/13/2020

Using supplements for your cat’s diet and ensuring they get access to probiotics can ensure that your cat has a balanced digestive tract and an array of good bacteria throughout their system. Utilizing probiotics can make sure that your cat’s health can be improved significantly. Introducing probiotics could help to reduce the instances of diarrhea, gastrointestinal difficulty, kidney disease, vomiting and more. Whether your cat has become a senior or you are noticing loose stools in a younger cat, introducing probiotics can be an excellent way to reduce your cats’ digestion problems and make sure that they can enjoy a better quality of life with more energy.

In this article, we will detail some of the best probiotics for cats on the market. Many of these products come from natural sources and are recommended. Any of the products that we list in this article are the types of probiotics that we would give to our animals.

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TOP 10 Probiotics for Cats

You can rest assured that you will get a great cat probiotic quality by choosing from our list:





1. Doggone Best Cat Probiotics

  • Made in USA

  •   Does not have odors

  • No fillers

4.2 out of 5 stars

Price: from $25

 2. Premo Probiotic for Cats

  • No GMOs

  • No Wheat

  • 2 billion CF use

4.3 out of 5 stars

Price: from $29

3. Ark Naturals Gentle Digest

  • Marked for NASC quality

  • Large packaging

  • Inulin fiber included

3.9 out of 5 stars

Price: from $12

4. Purina Pro Plan Fortiflora Probiotic Supplement

  • Powder

  • No need to store in the fridge

  • Bulk packs available

  • 100 million CF use

4.7 out of 5 stars

Price: from $30

5. Drs. Foster and Smith Probiotic Soft Chews for Cats

  • Wheat free

  • Chicken and cheese flavor

  • Soft chew

4.7 out of 5 stars

Price: from $12

6. Pure Paw Nutrition Probiotics for Dogs and Cats

  • Real beef and liver flavor

  • Suitable for dogs and cats

  • Bulk packaging

3.8 out of 5 stars

Price: from $25

7. Pet Ultimates Probiotics for Cats

  • No need to store in the fridge

  • 5 billion CF use

  • 20 different species of probiotics

4.3 out of 5 stars

Price: from $33

8. Bene-Bac Plus Probiotic Pet Gel

  • 20 million CF use

  • Syringe style gel

  • Suitable for pets eight weeks+

4.6 out of 5 stars

Price: from $6

9. Dr. Bill's Feline Digestive Support

  • NASC quality seal

  • Digestive enzyme enhanced

  • Prebiotics included

4.1 out of 5 stars

Price: from $30

10. Vetoquinol Pro-Pectalin Anti-Diarrhea Tablets Dog & Cat Supplement

  • Tablet-based delivery

  • NASC quality seal

  • Liver flavor

4.5 out of 5 stars

Price: from $58

Best Probiotics for Cats Overview

1. Doggone Best Cat Probiotics

Key benefits:

  • Made in the USA
  • A completely odorless and tasteless powder formula
  • Comes with a moneyback guarantee of 60 days

This product remains at the top of the list for some of the best probiotics for cats. It’s formulated from a blend of three different probiotic strains, and it’s free of any added fillers. What you are getting for the price is a formula that does not contain any fillers like soy, wheat or artificial flavoring. There’s also a guarantee of up to 1 billion CF use in every serving.

The product is suitable for cats over the age of eight months, and it contains 8 ounces in every container. The measuring scoop is also included in this product to ensure you get an accurate dose of the powder to add to food. The best part about using this product is that even some of the most challenging cats will have no problem ingesting the supplement because it doesn’t have any filters or flavoring. The cost is around $25 for excellent quality craftsmanship that’s associated with the brand.

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2. Premo Probiotic for Cats

Key benefits:

  • Free of GMOs
  • Free of Wheat
  • Made in USA

The Premo Probiotic for cats is an excellent product for the feline system because it’s also available in a tasteless formula. This product’s goal is to alleviate conditions like gas, vomiting, diarrhea, skin conditions, and more. This is one of the highest potency doses of probiotics that’s available from a feline format and every serving can contain up to 2 billion CF use of probiotics.

This product has been third-party tested for its quality and it has been proven effective by a third party lab for its potency. What makes this formula so powerful is that it blends sick strains of concentrated probiotics and creates a specifically designed formula for cats.

The significant advantage of this tasteless and odorless formula is that most pets don’t have any problems with eating it. The manufacturer also included a handy scoop that makes dosing easy. It’s a little more expensive than some of the other options on the list, but it can be a top-quality product, especially its high dosage.

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3. Ark Naturals Gentle Digest

Key benefits:

  • NASC Quality
  • Made in USA
  • Contains 120 doses

The Ark natural gentle digest is an easy and delicious way to administer daily probiotics to your pet. If your pet has had a problem with some of the flavorless formulas added into their food, this is a product that tastes like treats and comes with a liver flavor that cats crave. This is a type of probiotic that’s available for all breeds of cats and it can help to supplement the growth of beneficial bacteria while improving immune system functions.

The other supplement included with these probiotics is an inulin fiber which is useful for improving gut bacteria. The product is also free of corn, wheat, soy and other artificial colorings and preservatives. With an impressive cost, this is one of the most affordable options for probiotic chews. If you are looking for a treat option in probiotics, this serves as a fantastic option.

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4. Purina Pro Plan Fortiflora Probiotic Supplement

Key benefits:

  • No need to refrigerate
  • Contains premade packets for a perfect dose
  • Comes in bulk packs if needed.

As one of the top probiotic brands that veterinarians prescribe, Purina delivers a quick product that you can sprinkle over food once a day to provide 100 million CF use of Enterococcus facium. The product uses a microencapsulation process that improves stability and immune health. This is a very easy product to administer and its perfect for cats that are picky eaters. The powder is virtually tasteless and it’s quite inexpensive to acquire. If you have a pet that you had no luck administering probiotics via chews with, you should consider the powder route instead.

This is a great Probiotic to give to cats. I find that a lot of my feline patients really love this one and will eat it if mixed into some wet cat food without a problem.

Dr. Sara Ochoa

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5. Drs. Foster and Smith Probiotic Soft Chews for Cats

Key benefits:

  • Wheat- free formula
  • Cheese and chicken flavour
  • 90 Soft chews included

These Soft shoes are designed to support the overall digestive health of your pet. The product contains six types of naturally occurring microorganisms and a prebiotic fiber that can support intestinal bacteria growth. The soft shoes, and a pack of 90 and they come with minimal flavoring that’s veterinarian approved. The goal of this product is to present your cat with a special treat daily that has a soft shoe and probiotic dose inside.

This would be a great probiotic chew for your cat. Most cats would rather their probiotics be in the form of a tasty treat.

Dr. Sara Ochoa

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6. Pure Paw Nutrition Probiotics for Dogs and Cats

Key benefits:

  • This product contains 461 g of quality probiotics in each container
  • Flavored with real beef liver for fussy eaters
  • Works for cats and dogs

The nice part about this versatile probiotic powder is that it is for cats and dogs. It can be easily added to your pet food and it can improve bad breath, constipation, inflamed bowels, vomiting, gas, and more. The large dosage can also be especially helpful for adding new value to the life of your pet.

The larger container will help to make sure that cats can have access to ongoing doses for a longer period of time. If you are looking to enjoy the best cat probiotics in bulk, this is an excellent choice to make sure that your pets can receive the powder doses they need for quality results.

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7. Pet Ultimates Probiotics for Cats

Key benefits:

  • Made in the USA
  • No need to refrigerate
  • 44 g in each container

This probiotic powder is designed for cats and it offers a concentrated blend of probiotics that is designed for the feline system. As one of the top probiotics for cats, the dosage here guarantees at least 5 billion CFUS per dose. With only 44 grams per package, this small formula can genuinely pack a punch. There are 20 different probiotic species included here and the formula maximizes the probiotic bacteria in each serving.

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8. Bene-Bac Plus Probiotic Pet Gel

Key benefits:

  • 15 g in each tube
  • 20 million CFU’s in each gram dosage
  • Multipack syringe size

This is an alternative to using powders or treats. This gel formula is delivered in a probiotic gel syringe. The fat-encapsulated probiotics can be found in every dose. The product can simply be squeezed into food or directly onto the tongue of your cat. The microorganisms can come out of the fat and be digested by your cat to improve their digestive health. This is a suitable product for pets from 8 weeks onward.

I use this probiotic for cats and other small mammals. This is a paste that I find cats usually do not mind eating.

Dr. Sara Ochoa

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9. Dr. Bill’s Feline Digestive Support

Key benefits:

  • 60 g in each container
  • NASC quality seal
  • Made in USA

Veterinarians formulate this probiotic powder. It is designed with a blend of probiotics as well as prebiotics which can be designed to improve feline digestion. The formula has been appropriately fabricated to contain a series of digestive enzymes. the product can be easily added into food or introduced into the diet of your pet.

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10. Vetoquinol Pro-Pectalin Anti-Diarrhea Tablets Dog & Cat Supplement

Key benefits:

  • 250 tablets in each bottle
  • Liver flavored
  • NASC Quality seal

This is a capsule chew product that contains a blend of probiotics as well as pectin, Enterococcus faecium and kaolin to improve digestion while firming stool. The package contains 250 tablets and the dosage info along the side. Regular dosage on the product will help to firm stool while supporting digestion. The product also contains flavoring to ensure that any fussy eater will be able to enjoy it. 

This is a great probiotic to use for cats with diarrhea. It contains kaolin and pectin which are two great ingredients found in many anti-diarrhea medications.

Dr. Sara Ochoa
Image by scott payne from Pixabay

Buying Guide

Understanding what you should be looking for in a cat probiotic is essential. The best probiotics for cats will help with various issues, ranging from constipation to, IBD and quality of life. One of the most important features that you should be looking for in any type of probiotic is that it’s made with safe ingredients.

Here are some of the main qualities of an excellent probiotic for cats that you can look for:

  • The type of probiotic:

Probiotics will come in many forms, including powders, pills, infused treats, gels and more. If you find difficulty getting your cat swallowing capsules, you may want to consider the treat option or a dosage option that will allow you to hide it in your cat’s food.

  • The strain:

The overall strain of probiotics can also be critical. The strain of the supplement will be a recommended formula that is dedicated to your cat’s digestive system. There are certain strains of supplements which are designed for humans as well as some pertain ides and some for feline digestive systems. Strains from the Enterococcus family and the bifidobacterium family are often the best for feline digestive systems as they have the diversity that’s important to managing a cats digestive tract well.

  • CFU:

A CFU or colony-forming unit and this is often the measurement of potency in a probiotic supplement. Finding a supplement that has a minimum of 10 million CFU’s is often the best entry point. If you can find a supplement that has CFU’s measuring in billions, this can often be a rarer and more beneficial product that you could be giving your cat.

  • The NASC quality seal:

The national animal supplemental counsel is a nonprofit organization that will evaluate pet products for their quality and compliance. If you notice this seal on any type of probiotic this is an excellent indication that the product comes from an exceptionally reputable company and is passed a series of independent quality audits.

  • Finding something within budget:

Consider how much you’d be willing to spend on a probiotic for your cats. These products can vary in price based on their potency and based on the ingredients used to create the probiotic. Most probiotics for cats ranging in price from $10 up to $50 or more for the dosage. Finding something that’s going to work for your budget can be imperative if you plan on putting your cat on probiotics over the long term. Keep in mind that you could be responsible for purchasing probiotics at least once every few weeks to integrate it into your cats’ food or diet regularly.

Image by pikabum from Pixabay

No matter what type of probiotic that you are seeking for your cat, you should highly consider the option of trying out some of these top considerations on your list. Introducing probiotics into your cat’s diet can be a fantastic way to bolster their digestive health as they age. Whether your cat has a pre-existing condition or wants to protect their digestive health, you should consider one of these options as managing your cats’ health in the future.

READ MORE: How can I tell if my cat is sick?


Does your cat have diarrhea or any other GI problem? There are many things that you can try to help stop these GI problems. Most of the time, the cause of these GI problems are caused by your cat’s healthy gut bacteria getting disrupted. Probiotics are great at naturally returning your cat’s GI system to normal. The last thing that you want to do is have to clean up after your cat constantly.

When looking for probiotics, there are many on the market.

If you are still considering if your cat needs probiotics, check our article Are probiotics good for cats and do not forget to ask your veterinarian!

When researching which one is best for your cat, there are many things to consider. This section will help what probiotics can be used for in your cat and what you need to look for to make sure that you are purchasing the best probiotics for your cat.

1. Who Should Buy Probiotics for Their Cats?

There are many wonderful benefits to giving probiotics to your cats. These are just a few of the great reasons that you should consider giving your cat probiotics every day.

  • Helps with GI symptoms: Giving a probiotic to your cat is an excellent ideal if your cat is experiencing any symptoms of digestive upset, such as nausea, gas, vomiting, diarrhea, loose stools, and weight loss. If your cat has very smelly poops, probiotics would also be indicated and very helpful.
  • Seasonal Allergies: Most veterinarians recommend probiotics for cats who suffer from seasonal allergies or other skin conditions. Research shows that probiotics are very useful in the treatment of many different GI conditions. 
  • For a well-balanced diet: Probiotics can also be used in addition to a balanced diet for even healthy cats. The probiotic will help to promote and maintain an overall healthy cat.

Always ask your cat’s vet before starting your cat on any probiotics or other supplements. This will make sure that your cat is getting the right products and at dosage for them.

2. Important Features to Consider

Not all probiotics for cats are made the same. When looking for a probiotic for your cat, you will want it easy to give them and made with safe all-natural ingredients. This is what you should look for when searching for the best probiotic for your cats:

The form that the Probiotic comes in

The type or form that the probiotic is the most important thing to consider when it comes to picking out the best probiotic for your cat. 

Probiotics for your cat can come in many different forms, such as gels, powders, pills, and infused treats. Most cats will not just swallow a capsule. You will have to try hiding the capsule inside of a treat or open the capsule and sprinkle on their food or mixed into their water. One of the easiest forms is an infused treat. Most cats will easily take a tasty treat from you.  

The Strain

The next most important thing to consider when it comes to shopping for probiotics for cats is the strains in the supplement. While you probably will not hurt your cat by given them human probiotics, it is always best to give them a formula that has been made specifically for cats. The best strains for cats are from the Bifidobacterium and Enterococcus families.

When picking out a probiotic, you will want one that has a lot of diversity. This is just as important in your cat as it is for you.

The Colony Forming Units (CFU)

You want a probiotic with the highest CFU (colony forming units) that you can find. Make sure that it has a minimum of 10 million CFUs.

This is a great starting point to look for. If you can find a supplement with even more that is even better, some probiotics have CFUs in the billions.

Several different kinds of beneficial bacteria live in the digestive tract of your cat. Some of the most common types of bacteria that are included in most probiotics for cats are:

  • Bifidobacterium: These are found mainly in the large intestines of your cat and can help improve the overall intestinal health. This bacterium can treat inflammation in the lining of the intestines, which will help resolve your cat’s diarrhea very quickly. 
  • Enterococcus: This bacteria will help your cat with digestion. It will also fights off bad bacteria that can commonly cause your cat to have diarrhea.
  • Lactobacillus: These bacteria will help improve the health of your cat’s GI tract. 
  • Streptococcus: This is a normal GI bacterium that will help your intestines fight off the bad pathogens that are causing your cat to have diarrhea. 

NASC quality seal

The National Animal Supplement Council (NASC) is a nonprofit industry group that will evaluate all cat products for compliance with a strict quality system requirement. This seal will indicate that your probiotics come from a reputable company that has successfully passed an independent quality audit.

The Price

It would be best to consider how much you are willing to spend on a probiotic for your cats. Probiotics for cat’s range in price from $10-$50 or more.
Sometimes the more you spend, the better quality and source of the probiotics, but this does not hold for all probiotic.

3. What are Probiotics for Cats, and how do they work?

Probiotics contain microorganisms that live in your cat’s digestive tract and improve digestive and immune health. They work by balancing the good bacteria within your feline’s intestines to ensure that your cat stays healthy and happy. Like in people, probiotics in cats are believed to help treat or prevent many different illnesses and diseases, such as allergies or IBS.

Read more here: Are probiotics good for cats?

4. What are the benefits of Probiotics for your Cat?

The benefits of probiotics for your cat helping them to maintain normal gut health, improve their immune health, and improve any digestive problems such as nausea, gas, vomiting, diarrhea, loose stools, and weight loss. Probiotics for your cat can also help relieve the symptoms of seasonal allergies and other skin conditions. Probiotics are also great for kitties who have an infection, have just gone through surgery, or have recently given birth.

5. How long will it take for Probiotics to start to work in your Cat?

Some cat owners may see a slight improvement in their cat’s health with only a couple of days of use. Most cat owners can expect to see probiotics to take at least a couple of weeks to start working in their cats. Like in people, it will take time for the good bacteria to build up in your cat’s intestines and balance itself out in your cat.

6. What is the correct dosage of Probiotics for your Cat?

When it comes to the right dosage of probiotics for your cats, there are no specific recommendations. The best probiotics You will want to try to find the probiotic with the highest CFU. Since diversity is essential when it comes to gut flora, you want to make sure that you use a product with many different strains of probiotics and not just one type of bacteria. Usually, strains from the Bifidobacterium and Enterococcus families tend to work best for cats. It is best to follow the package directions for dosing your cat or ask your vet.Can I give human probiotics to my cat?

While human probiotics are safe to give to your cat, cats have a very different gut flora than humans and dogs. This means that it is important to feed your cat a probiotic that has been specially formulated. This way, you know that your cat will benefit from your investment in their probiotics.

Photo by Klara Kulikova on Unsplash

7. Are probiotics good for cats with constipation?

Probiotics are great to use for cats with constipation or diarrhea.
Usually, probiotics will help return your cat’s intestinal flora to normal. Many times, a disruption in your cat flora will cause your cat to have diarrhea.
Most probiotics also have added fiber to help make your cat’s intestines function better.

What can I give to my cat for constipation?

If your cat is constipated, you can give them a small dosage of MiraLAX. This will help bring water into the colon and make it easier for them to poop. Adding about 1/4th a teaspoon of MiraLAX to your adult cat’s food will help keep them regulated once a day. Some cats only need this for a short time, where some cats benefit from this added supplement to their food every day. 

READ MORE: Kittens & Constipation

Final thoughts

Intestinal problems in your cats are not fun for your cat or for you to have to clean up continually. Probiotics are a great thing to add to your diet to help keep their stool healthy. The probiotic has many other helpful functions, such as boosting immunity, helping with allergies, and even preventing GI problems. By adding probiotics to your cats’ daily diet, you can stop many problems before starting. When looking for a great probiotic, remember to look at some of these that we have mentioned here.

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