Reviewed & Fact-Checked By
Dr. Paola Cuevas
Veterinarian, MVZ
Reviewed & Fact-Checked By
Dr. Paola Cuevas
Veterinarian, MVZ
The information is current and up-to-date in accordance with the latest veterinarian research.
Whether your cat is dealing with digestive issues or needs help getting their immune system back on track, a probiotic might be just what they need.
But with so many choices out there, the last thing that you want to do is spend a ton of money on products that don’t work.
That’s why we decided to track down and create reviews of 10 of the best probiotics for cats on the market and develop a comprehensive buyer’s guide to walk you through everything that you need to know. This way, you can save money and get your cat feeling better than ever!
A Glance at Our Favorite Products in 2023
Image Product Details
Best Overall
Dr. Mercola Complete Probiotics
Easy to use and administer
Small dosage: product lasts a long time
Helps with both energy and digestive health
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Best Value
Pet Naturals Probiotic Cat Chews
Affordable
Outstanding duck flavor
Helps regulate digestive function
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Premium Choice
NWC Naturals Total-Biotics Probiotic
GMO-free
Excellent absorption rate
Effective formula that uses live probiotics
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VetriScience Probiotic Soft Chew
Tons of treats
Affordably priced
The reduced number of CFUs is perfect for kittens
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Particular Paws Probiotic Powder
Effective formula
Boosts energy levels
Improves coat health and reduces UTIs
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The 10 Best Probiotics for Cats
With an outstanding mix of price and performance, Dr. Mercola’s Complete Probiotics for Cats & Dogs easily earns our nod as the best overall probiotics for cats. While it doesn’t come in a large container, the small dosage means that it can last a long time.
Style: Powder
Size: 3.17 ounces
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This probiotic helps with both your cat’s overall energy level and digestive health, and it’s easy enough to administer, even to picky eaters. Dr. Mercola loaded this probiotic formula with 58 billion colony-forming units (CFUs) of 14 different beneficial bacteria strains, which makes it an extremely effective option to boost your cat’s immunity.
It’s a great choice at a great price, and our top pick for overall best probiotics for cats.
Pros
Good mix of price and performance
Small dosage: product lasts a long time
Helps with both energy and digestive health
Easy to use and administer
Cons
Only one size option
If you’re on a tighter budget and need a probiotic for your cat, check out Pet Naturals Daily Probiotic Cat Chews. It’s an extremely affordable product that you can use to regulate your cat’s digestive health, even though it doesn’t have as many CFUs as some other probiotics.
Good mix of price and performance
Small dosage: product lasts a long time
Helps with both energy and digestive health
Easy to use and administer
- Good mix of price and performance
- Small dosage: product lasts a long time
- Helps with both energy and digestive health
- Easy to use and administer
Only one size option
- Only one size option
Style: Soft chew
Size: 1.27 ounces — 30 count
While it does help regulate digestive function, it’s not as effective as some other options out there. Since they’re treats instead of a powder, they’re easy to administer, and each container lasts a full month.
With their outstanding duck flavor, cats love them, and with their low price, it’s easily the best probiotic for cats for the money!
Pros
Affordable
Helps regulate digestive function
Easy to administer
Outstanding duck flavor
Cons
Not that many CFUs
If you’re not worried about how much you’re spending on your cat’s probiotics, the NWC Naturals Total-Biotics Probiotic is exactly what you want. It’s expensive, but it’s also one of the best products to sort out whatever your cat needs help with.
Affordable
Helps regulate digestive function
Easy to administer
Outstanding duck flavor
- Affordable
- Helps regulate digestive function
- Easy to administer
- Outstanding duck flavor
Not that many CFUs
- Not that many CFUs
Style: Powder
Size: 2.22 ounces or 8 ounces
Not only does it work wonders on their digestive system, but it also helps with food sensitivities, immune health, skin health, coat health, and more. This supplement is GMO-free and easy to administer. Furthermore, it uses a formula that gives it an excellent absorption rate, which adds to its effectiveness.
Another perk is that there are two size options to choose from, which means you can try out the smaller size, and then if it works for your cat, purchase in bulk to save money.
It’s definitely an expensive option, but considering all that it does and how effective it is, it’s an outstanding choice for your cat.
Pros
Effective formula that uses live probiotics
GMO-free
Improves digestion, food sensitives, immune health, skin health, and more
Easy to administer
Two size options
Excellent absorption rate
Cons
Expensive
Kittens have unique dietary and developmental requirements, so it makes sense that their probiotics should tailor themselves to their unique needs. That’s exactly what you get with VetriScience Probiotic Everyday Duck Flavored Soft Chews.
Effective formula that uses live probiotics
GMO-free
Improves digestion, food sensitives, immune health, skin health, and more
Easy to administer
Two size options
Excellent absorption rate
- Effective formula that uses live probiotics
- GMO-free
- Improves digestion, food sensitives, immune health, skin health, and more
- Easy to administer
- Two size options
- Excellent absorption rate
Expensive
- Expensive
Style: Soft chew
Size: 2.54 ounces — 60 count
While it technically works just fine with older cats, the fewer CFUs means that one treat-style soft chew is the perfect amount for a small kitten.
There are 60 chews in every package, and once you factor in its low price tag, you’re getting an extremely affordable probiotic that will last your kitten for quite a while. With VetriScience Probiotic Everyday Duck Flavored Soft Chews, you can get your kitten started off on the right paw!
Pros
Easy to administer
Tons of treats
The reduced number of CFUs is perfect for kittens
Affordably priced
Outstanding duck flavor
Cons
Not that many CFUs
Results not as good as other options
- Particular Paws Probiotic Powder
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Style: Powder
Size: 8 ounces
The Particular Paws ProBiotic Powder excels at reducing the symptoms and severity of UTIs, so if that’s the reason that you’re putting your cat on a probiotic, it might be the best choice out there. It also boosts your cat’s energy levels and improves their overall coat health, making it a win-win-win. While it’s a slightly expensive option, it comes in a large container size that helps offset the cost.
Easy to administer
Tons of treats
The reduced number of CFUs is perfect for kittens
Affordably priced
Outstanding duck flavor
- Easy to administer
- Tons of treats
- The reduced number of CFUs is perfect for kittens
- Affordably priced
- Outstanding duck flavor
Not that many CFUs
Results not as good as other options
- Not that many CFUs
- Results not as good as other options
Check Latest Price
Style: Powder
Size: 8 ounces
We do wish that it was a cat-specific formula, but that’s a small complaint if it works at controlling your cat’s UTIs!
Pros
Improves coat health and reduces UTIs
Boosts energy levels
Effective formula
Lasts a long time
Cons
Slightly expensive
Not a cat-specific formula
An outstanding powder-style probiotic for your cat is the Pet Ultimates Probiotic Cat Supplement. It’s an extremely effective formula that uses 20 different species of beneficial bacteria to improve your cat’s digestive health, along with a few other benefits.
Improves coat health and reduces UTIs
Boosts energy levels
Effective formula
Lasts a long time
- Improves coat health and reduces UTIs
- Boosts energy levels
- Effective formula
- Lasts a long time
Slightly expensive
Not a cat-specific formula
- Slightly expensive
- Not a cat-specific formula
Style: Powder
Size: 1.55 ounces
It does this with a cat-specific formula that’s easy to administer because all you need to do is sprinkle a bit on their food!
That said, while it’s an effective option with tons of different probiotic strands, it is expensive and only comes in small containers. So, not only will you have to spend more up front to get it, but you’ll also have to purchase it more often. But if it’s what your cat needs to get their digestive health under control, then it’s worth every penny.
Pros
Effective formula
20 different probiotic bacteria species
Easy to administer
Cat-specific formula
Cons
Expensive
Only comes in smaller container
If you’re serious about keeping your cat on a probiotic for an extended period, you need to find an option that lets you purchase in bulk. That’s exactly what NaturVet Advanced Probiotics & Enzymes Plus offers. You can try out the small 4-ounce option, and if you end up keeping your cat on it, you can purchase 1 pound at a time to save money.
Effective formula
20 different probiotic bacteria species
Easy to administer
Cat-specific formula
- Effective formula
- 20 different probiotic bacteria species
- Easy to administer
- Cat-specific formula
Expensive
Only comes in smaller container
- Expensive
- Only comes in smaller container
Style: Powder
Size: 4 or 8 ounces or 1 pound
NaturVet Advanced Probiotics & Enzymes Plus is great for keeping your cat’s digestive health in check, and it does a great job tackling any digestive problems that your cat might already have. However, if you’re looking for a probiotic that provides more benefits amidst a wider array of applications, this isn’t it.
But since it has both probiotics and digestive enzymes, if your cat is having any digestive problems, you’ll be hard-pressed to find a better option out there.
Pros
Affordable
Great for digestive health
Effective formula (for digestive health)
Three different size options
Cons
Not cat-specific
More limited applications
If you’re looking for a simplistic probiotic formula for your cat to try, Nusentia Probiotic Miracle Premium Blend is an outstanding choice. It doesn’t use any by-products, and it even limits the number of probiotics in the powder.
Affordable
Great for digestive health
Effective formula (for digestive health)
Three different size options
- Affordable
- Great for digestive health
- Effective formula (for digestive health)
- Three different size options
Not cat-specific
More limited applications
- Not cat-specific
- More limited applications
Style: Powder
Size: 1.55 or 4.62 ounces
While this might sound limited, these six species of probiotic bacteria have well-researched benefits for your cat’s digestive tract. This formula helps to treat loose stool and diarrhea, clear excessive yeast, and maintain healthy digestion with better nutrient absorption and improved toxin and waste elimination. In addition, it also improves skin and coat condition and helps keep away smelly breath and an improved overall body smell.
This product comes in two size options, so you can try it out before making a large purchase, even if it is a bit expensive.
Pros
Two size options
Doesn’t use by-products
Greatly improves digestive health
Cons
Expensive
Not a cat-specific formula
If you’re looking for an affordable yet effective probiotic option, the Finest for Pets TummyWorks Probiotics & Digestive probiotic powder can get the job done. It uses 10 different probiotics and six digestive enzymes to get your cat’s digestive health on track.
Two size options
Doesn’t use by-products
Greatly improves digestive health
- Two size options
- Doesn’t use by-products
- Greatly improves digestive health
Expensive
Not a cat-specific formula
- Expensive
- Not a cat-specific formula
Style: Powder
Size: 7.4 ounces
It comes in a large container that ensures that you won’t need to replace it any time soon. Of course, the flip side is that it only comes in that size. So, you can’t really try it before you buy a large amount of it — you just have to take that leap of faith.
Considering this is not a cat-specific formula, that’s a big leap of faith to take, but it usually doesn’t disappoint.
Pros
Affordable
Provides 10 probiotics and six digestive enzymes
Large product size
Cons
Only one size option
Not cat-specific
The Fera Pet Organics Probiotics With Organic Prebiotics uses 11 strains of live probiotics to boost your cat’s digestive health, and it has tons of CFUs that help get the job done.
Affordable
Provides 10 probiotics and six digestive enzymes
Large product size
- Affordable
- Provides 10 probiotics and six digestive enzymes
- Large product size
Only one size option
Not cat-specific
- Only one size option
- Not cat-specific
Style: Powder
Size: 2.54 ounces
Pair those with the fact that this powder is extremely affordable and promotes skin health, and you’re getting a top-notch product. However, while there’s plenty to love about this probiotic, there’s only one product size to choose from, and it’s not a cat-specific formula.
While it might work for your cat, there’s no doubt that there are more effective choices out there.
Pros
Affordable
Tons of CFUs
11 strains of live probiotics
Promotes both skin and digestive health
Cons
Only one product size
Not cat-specific
Not effective in all cats
Affordable
Tons of CFUs
11 strains of live probiotics
Promotes both skin and digestive health
- Affordable
- Tons of CFUs
- 11 strains of live probiotics
- Promotes both skin and digestive health
Only one product size
Not cat-specific
Not effective in all cats
- Only one product size
- Not cat-specific
- Not effective in all cats
Buyer’s Guide: How to Choose the Best Probiotics for Your Cat
If you still have questions about probiotics for cats after reading through the reviews, you’re not alone. That’s why we developed this comprehensive buyer’s guide, to walk you through everything that you need to know about cat probiotics before you select the best probiotic for your cat.
What Are the Benefits of Probiotics for Cats?
There are tons of potential benefits to adding a probiotic to your cat’s diet, but you don’t need to take our word for it. There are plenty of scientific studies that link probiotics to health benefits for cats.
Even better, there’s little to no evidence that adding a probiotic to your cat’s diet leads to any adverse health risks. It’s a great way to improve your cat’s health — even if they’re already healthy!
The benefits of probiotics for cats include:
Improved GI health
Immune system boost
Improved skin and coat health
Fewer UTIs
Should All Cats Have Probiotics?
Since there’s little to no evidence that adding a probiotic to a healthy cat’s diet has any adverse effects, there’s no reason that you can’t put your cat on a probiotic to keep them as healthy as possible!
Improved GI health
Immune system boost
Improved skin and coat health
Fewer UTIs
- Improved GI health
- Immune system boost
- Improved skin and coat health
- Fewer UTIs
This is especially true when you consider that keeping your cat on a probiotic all the time increases their overall GI health and reduces the likelihood of problems in the future. So, while not all cats need probiotics, there’s no harm to giving some to your cat, and there are actually a few benefits of doing so!
Considering how affordable it can be to put a cat on a probiotic, we think that unless your cat has an underlying condition, all cats should have probiotics.
Can Cats Have Too Many Probiotics?
Just like anything, your cat can definitely have too many probiotics. Common symptoms include vomiting, diarrhea, or other negative side effects. If you notice these symptoms shortly after putting your cat on a probiotic, there’s a good chance that they’re allergic to something in it.
However, if you notice any of these symptoms after upping their probiotic dosage, there’s a decent chance that you have your cat on too many probiotics, and you need to lower their dosage a bit.
How Long Does It Take for Probiotics to Work in Cats?
All good things take time and probiotics are no different. The exact amount of time that you need to wait until you can see results depends on your specific cat, but you should expect results anywhere from a few days to a few weeks.
If your cat isn’t showing improvement in symptoms after a month, there’s a good chance that you’re not going to see any changes later.
Conclusion
If you finished the reviews and the buyer’s guide and still don’t know which probiotic to go with, why not try Dr. Mercola’s Complete Probiotics? It’s our pick for overall best probiotic for cats because it expertly combines performance and price.
However, if you don’t want to spend as much, you can try Pet Naturals Daily Probiotic Cat Chews. While it’s not as effective as some of the more expensive options, you can reap the benefits of cat probiotics without spending much at all!
The most important thing is that you order something for your cat, so they can start feeling better than ever as soon as possible.
See also:
- 10 Best Kitten Foods for Diarrhea in 2023- Reviews & Top Picks
- 8 Best Kitten Milk Replacers & Formulas in 2023 – Reviews & Top Picks
- Do Cats Poop Out of Spite? Deciphering Your Cat’s Behavior
- Do Cats like Privacy When They Poop? Deciphering Your Cat’s Behavior
Featured Image Credit: StockSnap, Pixabay
