The Best Probiotics for Cats – A Detailed Buying Guide

Are you looking to get your cat’s digestion to improve? Probiotics have been proven to play a key role in the overall digestive abilities of your cat quite effectively.

Felines, just like humans, are animals that are highly susceptible to digestive tract problems such as Irritable Bowel Syndrome, Pancreatitis, gassiness and bloating. A lot of the time, the gastrointestinal system remains incapable of handling its function as well as it should, and this is what causes a lot of discomfort and even disease. Probiotics have the ability to improve the state of the gastro intestinal system, working to restore its functions and possibly alleviate symptoms associated with certain diseases. Since they present differently, I did a review of some of the best, and documented it here.

The Best Probiotics for Cats Comparison Table

Product Name
Physical Form
Number of Servings
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VetriScience Laboratories - Vetri Mega Probiotic

Vital Planet High Potency Cat Multi-Strain Probiotic Formula

The Honest Kitchen Instant Probiotic Goat's Milk

NaturVet – Digestive Enzymes - Plus Probiotics & Prebiotics

Purina Pro Plan Veterinary Supplements FortiFlora With Probiotics

Tomlyn Pre & Probiotic Powder for Cats

The Best Probiotics for Cats – Products Review

VetriScience Laboratories – Vetri Mega ProbioticComes in the form of capsules

Even though this product comes in the

form of capsules, they are made in such a way that they are quite easy to consume.

Key features

  • Comes in a can that contains 120 servings
  • Comes in the form of capsules
  • Ideal for cats and dogs
  • Made using a non-dairy formula

If you are a cat owner that generally shies away from giving your pet dairy based products, including meds and supplements, this product is ideally for you. It was made using a formula that did not include any form of dairy, especially for animals that suffer major allergies as a result.

The main ingredients to this probiotic supplement are vegetable cellulose, rice flour, several dried strains of Lactobacillus, dried Bifidobacterium longum as well as Enterococcus thermophilus. This ingredient list is a clear indication that there are no animal based products, and that there only two plant based ingredients which are essential in the formulation of the capsules.

Every capsule of this product is essentially made to contain up to 5 billion microorganisms which work to strengthen the gastro intestinal system of your cat. In total, there are 8 assorted strains of probiotics which are obtained from plant based extracts. Since they come in the form of capsules, there are many ways in which you can administer them to your cat. You could hide a capsule in a treat, but if your feline is not happy having it this way, you could empty the contents of the capsule into the cat’s food, especially if it consumes wet food.

One container of the VetriScience Laboratories – Vetri Mega Probiotic comes with 120 capsules. Since cats have low weight, half a capsule a day is enough for them, and this would mean that the product could last a good 240 days if you have just one cat. This length of time could change depending on the number of cats that you have.


  • Excellent for stomach related complications
  • Comes with an assortment of 8 probiotic strains
  • Easy to administer
  • Lasts a good deal of time
  • Also ideal for dogs


  • A bit expensive


If your cat is allergic to anything dairy, this product was made for it. It comes with all the good stuff, but it is obtained purely from plant material, meaning that you do not have to worry about allergies. Additionally, it works to relieve gut related troubles, allowing your cat to feel comfortable.

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Vital Planet High Potency Cat Multi-Strain Probiotic FormulaComes in the form of a powder

This product works to restore your cat’s immunity as well as enhance the overall performance of its gastrointestinal functions.

Key features

  • Contains 10 probiotic strains
  • Comes in powder form
  • Specifically formulated for cats
  • Boosts immunity
  • Contains prebiotic bacteria

As a pet owner, I know for certain that it can be a difficult task to administer any form of drug or even supplement to a pet, especially when it is in the form of a tablet or capsule. This is why I mostly prefer powders, and I often times go for this product when I need my cats to take pre and probiotics.

Boasting a total of 10 probiotic bacteria strains, this powder does an excellent job with the gut, allowing for each organ and part of the system to function a best as possible and as efficiently as it can. With just one serving, a cat is able to ingest up to 20 billion probiotic cultures that are live, allowing for an overall improvement of their gastrointestinal well-being.

For that extra kick, this product contains prebiotic bacteria which ideally works as food for probiotic bacteria, a characteristic that creates an ideal environment for good bacteria to thrive in your cat’s gut. This allows for the elimination of such problems as indigestion, gassiness and the alleviation of Irritable Bowel Syndrome and Inflammatory Bowel Disease in cats.

Aside from largely impacting the gastro intestinal system of your cat for better digestion, the Vital Planet High Potency Cat Multi-Strain Probiotic Formula also works to improve your cat’s immunity, allowing it to thrive and enjoy a healthy day to day life. It is also a product that prides itself in being a gluten, soy and grain free supplement, as well as one that has no traces of GMO material. This means that your cat is unlikely to experience allergic reactions from consuming this probiotic supplement.

Every container of this product comes with 30 servings which makes it enough for a month if you have just one cat.


  • Contains up to 10 probiotic bacteria strains
  • Each serving has 20 billion live cultures
  • Also works to improve immunity
  • Gluten, soy, grain and GMO free
  • Contains 30 servings


  • Ideal for cats only


If you would like to impact your cat’s health positively by improving its gastro intestinal functions and boosting its immunity, you might want to consider getting it this probiotic and prebiotic supplement. Being that it comes as a powder, you will not have to worry about feeding it to your cat since it can be mixed with the food quite easily.

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The Honest Kitchen Instant Probiotic Goat’s MilkComes in the form of a powder

Almost every, if not every, probiotic element in this product is mainly obtained from goat’s milk, and it is an incredibly efficient supplement for cats.

Key features

  • Obtained from dried goat’s milk
  • Ideal for both cats and dogs
  • Made with all natural ingredients
  • Contains 5 billion probiotics
  • Contains a large amount of protein

If your cat is a fussy feeder that will just not take as much food as it should, then this is the product it needs. What I liked most about this probiotic supplement is that it is made from fermented goat’s milk which is incredibly rich in probiotics. Aside from this, it is very rich in protein.

As it is well known, protein is one of the most important dietary requirements for a cat, and they need it to grow, develop and thrive. This product delivers a total of 35% protein, making it more of a food than a supplement. And since it comes in the form of a powder, it becomes overly easy to consume since all you have to do is mix it up into some water and voila! Your cat will be sipping away at goodness without much fuss.

Its probiotic contents are also quite effective and they have been reported to alleviate symptoms of vomiting and diarrhea in cats that have had sensitive and intolerant stomachs. Each scoop of this powder comes with a total of 5 billion probiotic cultures, as well as a myriad of digestive enzymes which is largely why it is able to handle indigestion issues with ease.

A can of this product comes with 30 to 60 servings depending on the weight of your pet or the number of pets you need to administer it to.


  • Contains both probiotics and digestive enzymes
  • Great for both cats and dogs
  • Made from all natural ingredients
  • Contains a huge amount of protein
  • Great for fussy feeders


  • Not all cats are receptive to goat milk


With a high protein content along with probiotic properties, this supplement proves one of the most efficient and ideal for cats that are poor feeders, and that need their diet supplemented with both protein and probiotics. Being a powder, your cat will sip on it as it would milk, and it will reap the benefits in due time.

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NaturVet – Digestive Enzymes – Plus Probiotics & PrebioticsComes in powdered form

With this product, your cat will be receiving a double benefit; prebiotics and probiotics, allowing for its digestive system to reap maximum benefits from regular consumption.

Key features

  • Contains probiotics and prebiotics
  • Comes as a powder
  • Ideal for food transitioning
  • Contains digestive enzymes

When it comes to multiple functions, this product delivers a good deal. What I like most is that it contains both prebiotic and probiotic cultures which are essential for the optimal functioning of your cat’s gastro intestinal system. There is a lot of confusion surrounding these two elements, and they are actually related in a way.

Probiotics are bacteria that are helpful to the stomach since they work to enhance digestion as well as increase the amount of helpful nutrients into the blood stream. On the other hand, prebiotics are actually what probiotics feed on, and they help probiotics thrive and multiply in the gut so that the cat has a healthy population.

Aside from containing loads of probiotics and prebiotics, this supplement contains a lot of digestive enzymes. With this combination, your cat’s gut will benefit a huge deal, and such problems as constipation, indigestion and gassiness become things of the past.

Since it comes in powder form, you can incorporate it into your cat’s food (especially if it eats wet food), water or even milk. For small cats, you can use just half a teaspoon, and this will give you a total of 60 servings if you have just one cat. It can also be given to dogs, making it an economical supplement since you will not need to buy a separate one for them.


  • Contains probiotics and prebiotics
  • Also comes with digestive enzymes
  • Easy to give to pets
  • Can be given to pets and dogs


  • Comes with a short return window in case you need to


This product an ideal supplement for pets that have overly poor digestive systems and troublesome stomachs. It gives them a good deal of prebiotics, probiotics and digestive enzymes which ideally allow for the optimal functioning of the gut at all times.

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Purina Pro Plan Veterinary Supplements FortiFlora With ProbioticsComes in the form of a powder

With a guaranteed number of probiotic cultures, this product works to promote and improve the state of your cat’s gastro intestinal health as well as promote its immunity for better disease tolerance.

Key features

  • Comes as a powder
  • Has a liver flavor
  • Ideal for kittens and adults as well
  • Proprietary encapsulation for enhancing molecular stability

Purina has long been one of my favorite pet product manufacturers, and they did a great job creating the Purina Pro Plan Veterinary Supplements FortiFlora With Probiotics which woks to enhance the overall functions of your cat’s gut.

Once ingested into the stomach, this product woks to restore the proper balance of required microflora which causes for more efficient digestion as well as the improvement of the rate and quality of nutrient absorption into the blood stream.

With its veterinarian recommended formula, this probiotic compound boasts exceptional results when ingested on a daily basis. You can forget such issues as diarrhea, constant vomiting and extreme bloating especially for cats that experience them constantly after eating.

Being that it is a powder, it works exceptionally well when it is incorporated into your cat’s food. Interestingly, unlike other food supplements that are virtually scent and flavorless, this one comes with a rich liver flavor that also prompts the cat to gobble it up nice and easy.


  • Comes with a huge deal of probiotics
  • Comes as a powder
  • Has an enticing liver flavor
  • Mixes quite well with food


  • This product is one of the pricy ones in the market


Maintain a healthy microbial load on your cat’s gut is critical since it helps the feline to be able to digest food as best as it should, as well as reducing the occurrence of such problems as gassiness, vomiting and also relieving symptoms associated with IBS and IBV.

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Tomlyn Pre & Probiotic Powder for CatsComes in the form of a powder

This product comes as a combination of both prebiotics and probiotic cultures which are both ideal for excellent flora population in the cat’s gut.

Key features

  • Comes as a powder
  • Contains prebiotics and probiotics
  • Each serving comes with 4 billion live cultures
  • Flavorless
  • Comes with 30 sachets

If you have a cat that has trouble consuming supplements in whichever for, this product proves most ideal for them. It comes in the form of a fine powder that does not bear any taste or even flavor. This way, you can add it into your cat’s food (wet or dry), into its water and even its milk, and it will have no idea at all.

What stands out for me about this product is that it comes with both prebiotic factor which essentially act as a form of nutrition for probiotic bacteria. This way, even the good bacterial in your stomach is well fed using prebiotics so that they thrive and multiply with ease.

The presentation is also quite impressive, and the product comes inside a box. This small box has up to 30 sachets within, and one is enough for a small cat per day. This is a guarantee that each packet is quite clean and that you will not be feeding your cat contaminated material with each feed.


  • Comes in 30 sachets
  • Flavorless and easy to administer
  • Can be used in any food or cat drink
  • Contains both prebiotics and probiotics


  • Cannot be fed to dogs


The reassurance that what you are feeding your cat is clean and healthy is always a plus, and this is why I love this product. The chances that your cat will have contaminated supplements is very low.

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Buying Probiotics for your Cat – What to look out for

Probiotic and Prebiotic

If you are looking to give your cat as many benefits as possible, go for a product that contains both probiotics and prebiotics since they work together to make sure that your cat’s gut is at the very optimum every time.

Ease of consumption

Pets generally do not fancy taking meds and supplements, especially those that are in tablet and capsule form. If you can, get a powder that can be mixed into food or milk for easy consumption.

Number of servings

It is more convenient to get a supplement that will be relevant to you and your pet based on the number of days you will be using it. Go for one that lasts at least 30 days to save up on good money.

Final Verdict

One of the most difficult things to deal with in a cat’s health is a troublesome stomach, but thankfully, probiotics are made to handle some of these issues. Constant consumption in cats has actually been proven to alleviate the symptoms associated with IBS and IBD which are both panful conditions. For this reason, it is important to make certain that your feline is well supplemented to ensure better life quality for them.


Can I bake the supplements in cat treats?

No, remember that the probiotics are alive, and that excess heat actually denatures them.

Can I give the Tomlyn Pre & Probiotic Powder for Cats to kittens?

No, it is ideal for adolescent and adult cats.

Can I give the Vital Planet High Potency Cat Multi-Strain Probiotic Formula to my bunny?

This product is best suited to give to cats.

At 29 years of age Katerina Garcia has made good her dream of advocating for the care and well being of pets and domesticated animals in general. Working as a veterinary nurse for well over 5 years, Miss Garcia is well equipped to handle various pet and animal issues; the reason she compiled the detailed excerpts for use by the pet and animal keepers, to help them better take care of the domesticated animals. It is with great pleasure that she shares her knowledge on the various social networking platforms, but with the sole aim of making the pets and the pet owners happy, and which in the long run helps equip other animal enthusiasts with knowledge, as they prepare to join the field of study.

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