Top 10 Best prob in 2026

Last Updated - 6/7/2026

🏆Best Choice

Pro Plan Veterinary Diets

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

9.8

ChoiceComparer.com Score

9.8

/ 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

View offer on:

$30.99

Check Price

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

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

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

View offer on:

$15.99

Check Price

Shameless Pets

Shameless Pets Digestive Health Catnip Chicken Crunchy Cat Treats

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•Cat Treats That Support Digestive Health: Chillin has never been easier or tastier! Our fresh Shameless Pets Crunchy Cat Treats (Catnip N Chill) may cause a little fun followed by a trip to the couch. These crunchy, star-shaped, bite-sized treats are made with chicken, sweet potatoes, catnip and packed with both pre & probiotics, which help support digestion! Includes one 2.5 oz bag.
•Real Meat & Whole Ingredients: Cats really want real meat. That is why fresh chicken is the first ingredient! These low-calorie cat treats (only 1.5 calories per treat) are free from corn and soy while still loaded with wholesome, locally-sourced ingredients. Cats of all ages, sizes, and breeds can enjoy!
•Easy on Cat’s Stomach & Digestive Systems: Each Shameless Pets treat is crafted with a specific health benefit in mind, so your pets can get the nutrition they need, even from treat time. This catnip treat is packed with pre & probiotics including B. coagulans for digestive support.
•Upcycled With Care: We work with farmers to rescue their imperfect sweet potatoes that have all the same healthy nutrients. This means every bag of our treats decreases food waste while saving valuable resources.
•Proudly Made in the USA: All of our creative, delicious pet treats are made here in the USA by nutritionists using the finest, locally-sourced ingredients and sustainable practices. Plus, there’s a health benefit for every flavor – because after all, a healthy pet is a happy pet!

View offer on:

$3.99

Check Price

Instinct

Instinct Raw Boost Mixers, Freeze Dried Cat Food Toppers with Functional Ingredients, Grain Free, Real Chicken - Digestive Health, 5.5 oz Bag

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•FREEZE DRIED RAW DRY CAT FOOD TOPPER FOR DIGESTIVE HEALTH: Add raw to your cat's bowl with Instinct Raw Boost Mixers Digestive Health cat food toppers. Responsibly sourced cage free chicken is the #1 ingredient plus all natural, functional ingredients.
•GRAIN FREE CAT FOOD MIXER: Made with whole food ingredients for gut health - cage free chicken, pumpkin, sweet potato, chicory root, apple cider vinegar & probiotics. Made without grain, potato, corn, wheat, soy, artificial colors or preservatives.
•CAT FOOD TOPPER OR CAT TREATS: Raw, whole food ingredients are freeze dried to gently remove moisture, locking in nutrients and flavor. Add variety and excitement to every meal with the perfect natural cat food topper for picky kittens & cats.
•POWER OF RAW INGREDIENTS: Our cat food is made with the pure, real nutrition of raw. Raw is natural, made from real meat & whole food ingredients, protein packed & minimally processed. Made in the USA with the finest ingredients from around the world.
•INSTINCT, THE RAW BRAND: We craft wet & dry pet food from real ingredients inspired by raw. Raw foods are never cooked, preserving the integrity of the ingredients and their nutrients.

View offer on:

$15.99

Check Price

Vet's Best

Vet’s Best Cat Hairball Relief Digestive Aid, Vet Formulated Hairball Support Remedy, Hairball Relief for Cats, Classic Chicken Flavor, 60 Chewable Tablets

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•HELPS PREVENT & MANAGE HAIRBALLS NATURALLY: Vet’s Best Cat Hairball Relief helps prevent hairballs using a natural blend of plant-based ingredients; supports healthy digestion to reduce hairball formation & promote overall feline wellness with regular use
•SUPPORTS HEALTHY DIGESTION & GUT FUNCTION: Formulated with psyllium seed, slippery elm, marshmallow root, & papaya to support natural digestive processes; helps move ingested hair through the system, reducing discomfort and promoting gut function in cats
•DELICIOUS CHEWABLE TABLETS CATS LOVE: Tasty chicken-flavored chewable tablets make daily hairball relief easy and enjoyable; ideal for picky eaters, these veterinarian-formulated chews help maintain digestive health & support a smooth supplement routine
•VETERINARIAN-FORMULATED CAT HAIRBALL RELIEF: Combines apple fiber, papaya, psyllium seed, marshmallow root & slippery elm to support natural elimination of hairballs and promote healthy digestion—gentle, effective, and ideal for cats of all ages.
•CONVENIENT DAILY SUPPLEMENT FOR ALL CATS: Perfect for cats of all ages and breeds needing hairball relief and digestive support; easy-to-administer tablets can be given directly or crumbled into food, making it simple to provide hairball support for cats

View offer on:

$9.45

Check Price

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

View offer on:

$10.00

Check Price

Get Naked

Get Naked 1 Pouch Furball Relief Soft Treats For Cats, 2.5 Oz(pack of 1)

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•Added Ganaden Bc30 Probiotics Support Healthy Digestion
•Grain Free, Natural With Added Taurine
•Under 3 Calories Per Treat
•Wheat, Corn And Soy Free
•Made With Real Chicken

View offer on:

$4.64

Check Price

Zesty Paws

Zesty Paws Cat Mousse Squeezies Puree Cat Treats for Digestion - with Seaweed, Omega Fatty Acids, Antioxidants - Support for Digestive Health Cats - Chicken Flavor - 18 Count

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•Yummy Taste, Happy Tummy! - Zesty Paws Digestion cat mousse lickable cat treats squeezies - These cat squeeze treats are a delicious way to support and balance your cats digestive function, gut flora, and healthy cell function to keep your feline purring happily.
•Featuring DIGESTUMMY - These high calorie liquid squeezable cat treats contains premium seaweed provides a pure source of dietary fiber, omega 3 and 6 fatty acids, and antioxidants - Creamy lickable cat treat to support gut and cell function for cats of all ages and sizes.
•Supports Digestive Health - These creamy yogurt lickables squeeze cat treats cat mousse cat puree tube treats provide mouthwatering support for gut function.
•A Tasty wet Topper or treat! - You can use this puree cat treat tube as a cat lickable treats meal topper for their favorite cat food, or as a delicious treat to reward your pet for good behavior. Just squeeze the tube and you're all set!
•Pawsome Ingredients & Flavor - These creamy cat treat squeezies for cats liquid cat treats provide omegas, seaweed, and antioxidants alongside chicken, chicken broth, and flaxseed oil for ingredients you know and a taste pets can enjoy in a cat food puree.

View offer on:

$19.97

Check Price

HomeoPet

HomeoPet Feline Digestive Upsets, Safe and Natural Cat Digestive Support, 15 Milliliters

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•CAT SUPPLEMENT FOR DIGESTION: HomeoPet Feline Digestive Upsets may help support digestive function and may help relieve issues like vomiting, diarrhea, and flatulence caused by minor intestinal problems.
•CAT DIARRHEA SUPPLEMENT: This homeopathic tummy support for cats may also help reduce discomfort caused by digestive issues. It is formulated with safe, gentle, and natural homeopathic ingredients and has no known side effects.
•FOR CATS OF ALL AGES: HomeoPet’s liquid cat care supplement is well tolerated by and approved for cats of all ages, from kittens to senior cats.
•EASY TO USE: Dose our digestive support for cats directly into your cat’s mouth, in water, or at meal/snack time 3 times a day as needed. For acute cases, give 1 dose every 15 minutes for up to 4 doses.
•SIMPLE, SAFE & PURE: Daniel H. Farrington and his veterinarian brother, Thomas Farrington, created HomeoPet to bring high-quality, safe, and natural supplements to pets and pet parents worldwide.

View offer on:

$17.99

Check Price

The Honest Kitchen

The Honest Kitchen Human Grade Perfect Form Herbal Digestive Supplement for Dogs & Cats, 3.2 Ounces

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•SUPPORTS DOG AND CAT DIGESTION: Our Perfect Form supplement features human-grade herbs like slippery elm and fennel, to help soothe the GI tract and reduce loose stools. An easy way to add digestive support as a cat and dog food topper
•ESSENTIAL FOR DOG AND CAT CARE: Designed for dogs and cats, our NASC certified supplement addresses loose stools from dietary changes or stress, making it a vital addition to your dog and cat essentials
•HUMAN-GRADE QUALITY FOR YOUR PET: Enjoy peace of mind with our 100% human-grade ingredients, produced in a human food facility for safer, premium dog and cat supplements to enhance nutrition
•SUPPORTS BOWL HEALTH: Our digestive supplement protects the GI tract and reduces loose stools from environmental stress, dietary indiscretion, or transitioning to a new diet. Great for pet owners looking to encourage regularity or curb gas for their pet
•SIMPLICITY AND TRANSPARENCY IN PET NUTRITION: Made in the USA with globally sourced high quality ingredients like papaya leaf, plantain leaf and slippery elm, our supplement offers transparency while enhancing your dog and cat essentials for wellness

View offer on:

$12.73

Check Price

📊

📈 How we rank

With our cutting-edge technology, we examine thousands of products and retailers, assessing reviews, ratings, trends, and sales rankings to identify what matters most to users like you.

Our team evaluates this data alongside genuine user feedback, merging AI analysis with human insights to provide you with real-time, highly-rated recommendations that empower your decision-making with clarity and confidence.