Top 10 Best probiotic for cats in 2026

Last Updated - 6/7/2026

🏆Best Choice

Nutramax

Nutramax Proviable Probiotics for Dogs and Cats, Daily Digestive Health Supplement with Multiple Strains of Bacteria, Cat and Dog Probiotics Plus Prebiotics, 30 Capsules

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•Cat and Dog Probiotics for Digestive Health - Proviable capsules contain multiple strains of beneficial bacteria, providing 5 billion colony-forming units (CFUs) to support your pet’s gut health. They also include prebiotics to encourage the growth of probiotics.
•A Healthy Gut Supports Overall Health - Probiotics help support intestinal health after imbalances, such as diet changes, food sensitivities, dietary indiscretions, or stress from travel or kenneling.
•Clinically Researched - Backed by multiple published studies, Proviable multi-strain probiotic for dogs and cats contains beneficial bacteria to help support gut health.
•Easy Administration - Incorporating Proviable probiotics into your pet’s daily routine is simple — just open the capsule and sprinkle the powder onto your pet’s food at mealtime.
•Vet Recommended Probiotic - Proviable comes from Nutramax Laboratories Veterinary Sciences Inc., the #1 Veterinarian Recommended Supplement Company*.
•Exceptional Quality - Nutramax Laboratories Veterinary Sciences Inc. exceeds the industry standard for animal health supplements, with products that are backed by science and guaranteed to meet label claims.

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$19.97

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Nutramax

Nutramax Proviable Probiotics for Dogs and Cats, Daily Digestive Health Supplement with Multiple Strains of Bacteria, Cat and Dog Probiotics Plus Prebiotics, 80 Capsules

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•Cat and Dog Probiotics for Digestive Health - Proviable capsules contain multiple strains of beneficial bacteria, providing 5 billion colony-forming units (CFUs) to support your pet’s gut health. They also include prebiotics to encourage the growth of probiotics.
•A Healthy Gut Supports Overall Health - Probiotics help support intestinal health after imbalances, such as diet changes, food sensitivities, dietary indiscretions, or stress from travel or kenneling.
•Clinically Researched - Backed by multiple published studies, Proviable multi-strain probiotic for dogs and cats contains beneficial bacteria to help support gut health.
•Easy Administration - Incorporating Proviable probiotics into your pet’s daily routine is simple — just open the capsule and sprinkle the powder onto your pet’s food at mealtime.
•Vet Recommended Probiotic - Proviable comes from Nutramax Laboratories Veterinary Sciences Inc., the #1 Veterinarian Recommended Supplement Company*.
•Exceptional Quality - Nutramax Laboratories Veterinary Sciences Inc. exceeds the industry standard for animal health supplements, with products that are backed by science and guaranteed to meet label claims.

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$44.99

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Pro Plan Veterinary Diets

Purina Pro Plan Veterinary Supplements FortiFlora Cat Probiotic Supplement for Cats with Diarrhea - 30 ct. Box

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•Number 1 veterinarian-recommended cat probiotic brand to support digestive health (Kantar Veterinary Tracker, 2021), making it an excellent cat supplement
•Purina Pro Plan Sensitive stomach cat food supplement for the dietary management of kittens and adult cats with cat diarrhea
•Digestive Care Cat Food supplement containing probiotics proven to promote intestinal health and balance
•FortiFlora cat vitamins and supplements have antioxidants to support a robust immune system and contain antioxidants for cats
•Easy-to-feed probiotic powder

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$30.99

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Pet Honesty

Cat Probiotics Gut + Immune Health Chews – Crunchy & Creamy Cat Treats for Digestive Health, Gut Flora & Constipation Relief – Supports Immunity, Regularity, & Healthy Digestion, 30-Day Supply Chicken

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•BENEFITS BEYOND DIGESTION: No one enjoys digestive discomfort—and that includes your cat. That’s why Pet Honesty’s Daily Probiotics for Cats help reduce stomach upset, promote regularity, and support healthy gut flora diversity for smoother, happier days. These probiotics also help strengthen your cat’s immune system for total wellness—now that’s a win-win for both of you.
•THE INSIDE STORY: Our cat probiotic and fiber supplement is packed with prebiotics from chicory root and beneficial “good bacteria” to support gut, digestion, and immune health. Together, they promote a balanced digestive system and help sensitive stomachs thrive. Ideal for daily use, after antibiotics, or during times of stress when your cat’s tummy needs extra care.
•THE BEST FOR THE BEST: Your feline deserves the finest. Pet Honesty’s probiotic cat treats keep your little one’s tummy trouble-free and immune system strong with clean, science-backed ingredients. Named 2022 Cat Supplement of the Year by the Pet Business Industry Recognition Awards, our probiotic chews deliver proven results and happy, healthy cats.
•DROOL-WORTHY TASTE & EASY USE: Not only do our cat probiotic treats support immune health, relieve constipation, and promote healthy digestion, they also have a crunchy, creamy texture cats crave. 9 out of 10 cats love the taste!* Give them as a daily oral chew, or mix with your cat’s favorite food—either way, you’re giving them something they’ll love that’s good for them too.
•THE HONEST DIFFERENCE: Our products are made with clean, science-backed ingredients for results you can trust, & with no fillers, artificial preservatives, colors, or flavors, you'll have no doubt your cat is getting the best. Proudly supporting pets in need nationwide & using recycled plastic in our packaging, there's also no doubt that we're committed to doing our best. -- All products are manufactured in the U.S.A. | NASC Member Company

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$15.99

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Get Naked

Get Naked Digestive Health Crunchy Cat Treats 2.5oz - Chicken Flavor, Grain-Free Cat Probiotics for Indoor Cats, Supports Healthy Digestion, Dental Health & Immunity, Made in The USA

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•Enhanced Digestive Support - Keep Tummies Happy: Formulated with powerful probiotic for cats and prebiotics to promote balanced gut health and nutrient absorption, proactively reducing digestive issues like diarrhea, bloating, and vomiting in cats.
•Crunchy & Delicious - Irresistible Chicken Flavor: Featuring real chicken as the first ingredient, these treats offer a crunchy, rewarding texture cats eagerly enjoy, perfect for picky eaters and multi-cat households at treat time.
•Packed with Essential Nutrients: Cat probiotic vital ingredients such as taurine for heart and vision health, lysine to strengthen immunity, and DHA & omegas for a shiny coat and cognitive function, ensuring comprehensive nutritional support.
•Grain-Free & Sensitive Stomach Approved: Ideal grain-free formula is specifically created for indoor cats and kittens prone to sensitive stomachs or allergies, providing easy digestion without altering their regular food diet or flavor.
•Dental Care, Quality Cat Health Supplies: The satisfying crunchy texture helps reduce plaque buildup and promotes cleaner teeth. Made in the USA without artificial colors, flavors and in a convenient resealable package to maintain freshness.

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$5.40

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VETRISCIENCE

VetriScience Gut Health Chews, Probiotic Everyday Digestive Supplement for Cats, Pet Probiotics for Digestion Support, Gas and Diarrhea, Immune Support, 120 Million CFU Per Chew, Duck, 60 Count

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•Daily Probiotic for Cats: Help your cat thrive with these daily probiotic chews designed to promote optimal gut health. With 120 million CFU of Bacillus coagulans per chew and added prebiotics, these tasty duck-flavored treats support digestion, regularity, and stool quality, plus immune function
•Gentle, Delicious Formula: Made for cats of all ages, sizes, and breeds, Gut Health probiotics for cats provide a simple solution to gut health. From kittens changing diets to seniors needing extra digestive support, this supplement is a perfect addition
•Ease Digestive Upset: Soothe your cat's stomach with a daily probiotic. These chews help soothe diarrhea, gassiness, and gut discomfort, ensuring your cat feels their best even during dietary changes, recovery, or minor stomach issues
•Prebiotic Power for Gut Balance: Each chew includes FOS, a natural prebiotic fiber that fosters the growth of good gut bacteria. This added support boosts digestion, promotes regular bowel movements, and enhances overall gut health
•Convenient and Delicious: Gut Health probiotic chews for cats are deliciously flavored to make supplementation a breeze whether you're supplementing a homemade diet or commercial food

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$10.00

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Pro Plan Veterinary Diets

Purina Pro Plan Veterinary Cat Supplements Multi Care Feline Supplement – Digestive Probiotics for Cats – Immune Support Cat Supplement - 30 ct. Box

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•Great tasting, easy-to-use supplements for cats featuring multi-active blends that proactively support digestive and immune health
•Contains a prebiotic and probiotic blend to support digestive and immune health cat health
•Includes live cat probiotics to help support gut microbiome resilience during naturally occurring stress
•Gut blend with a prebiotic fiber and probiotics for cats to support digestive and microbiome health while an antioxidant promotes a strong immune system
•This Purina Pro Plan Veterinary Supplements for Cats Multi Care Feline Supplement is proudly produced in USA facilities

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$30.99

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Rocco & Roxie Supply Co.

Rocco & Roxie Cat Probiotics, Health Supplement for Cats, Prebiotic & Postbiotic for Digestive + Gut Support, Constipation Relief, Anti Diarrhea, Supplements & Vitamins, Chicken Flavored Crunchy Chews

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•Unparalleled Support: Our chicken-flavored crunchy chews provide probiotics for cats, support of their digestive system and overall gut health; with high levels of pre-, pro-, and postbiotics, providing maximum support to your cat’s gut microbiome
•Better Ingredients & Results: Our probiotic for cats combines unique ingredients for gut health; MICROBUILD, a studied prebiotic that feeds gut flora; Sporevia, a probiotic that gets into the gut; TYNAGEN, a postbiotic that supports the immune system
•Veterinarian Recommended Probiotics for Cats with Diarrhea: Our Probiotic health supplement is a vet-recommended, daily formula to support your cat’s gut health and helps promote a healthy digestive system
•Lovingly Made in the USA with Domestic & Global Ingredients: Our crunchy pro-, post-, and prebiotic for cats are made with no fillers, gums, or sweeteners - just pure, high-quality ingredients your cat will love; with a crunchy shell and soft center
•Buy With Confidence: You want the best cat supplies for your best friend; we do, too; if you are not satisfied with the performance of this product, contact us; we are determined to make it right

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$12.97

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SalutemPet

Probiotics for Cats for Digestive Support – Cat Probiotics for Indoor Cats Help with Colic, Upset Stomachs, Diarrhea, Gas, and Bloating – Prebiotics + Pleasant Chicken Flavor Inside – 2 Oz

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•CATS ARE LIKE LITTLE CHILDREN: We understand the bond with our beloved furry friends. That’s why, our mission is to support digestion during colic, upset stomachs, and others.
•LIQUID PROBIOTICS FOR CATS: Our natural formulation with enzymes may help your cat eat right, absorb more nutrients, and sustain a wealthy lifestyle.
•PROBIOTIC AND PREBIOTIC FOR CATS: The prebiotic facilitates the activation of probiotics and vice versa, making this combination more effective.
•NATURAL GUT FLORA SUPPORT: Our Probiotic for Cats is a natural supplement designed to help with diarrhea, upset stomach, gas, and bloating.
•UNIVERSAL AND EASY: Natural Probiotic for Cat is suitable for all breeds, sizes, and ages. It's available in a concentrated, user-friendly liquid form.
•CLEAN & NATURAL: Our product is devoid of artificial additives, unnecessary ingredients, artificial flavors, and colors, gluten, and lactose.
•CARE FOR PETS: We take pride in offering a product that is grown, harvested, processed, and manufactured entirely in the best way!
•RETURN POLICY: We provide a secure option for product returns. If our products don't meet your needs, we'll refund your order.

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$19.99

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Pet Naturals

Pet Naturals Daily Probiotic for Cats, 30 Chews - Digestive and Immune Support Supplement for Cats

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•Daily Probiotic guarantees 100 million CFU’s to the gut and supports digestive regularity in cats of all ages.
•Probiotics are recommended for immune support, increased times of stress such as boarding, travel and new changes to the environment as well as when a pet has been placed on antibiotics.
•Probiotics help normalize digestive functions to reduce gassiness, diarrhea, constipation and blockages.
•Our Daily Probiotic comes a in a tasty duck flavored chew that even finicky cats will love.
•All Pet Naturals products are veterinarian formulated, NASC approved and manufactured in the USA.

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$7.49

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