Updated:May, 2026

10 Best Vet Recommended Probiotics For Dogs of 2026

Best Choice

9.9

Outstanding

Zesty Paws

Zesty Paws Probiotics for Dogs - Digestive Enzymes for Gut Flora, Digestive Health, Diarrhea & Bowel Support - Clinically Studied DE111 - Dog Supplement Soft Chew for Pet Immune System - Pumpkin, 90ct

Why We Love It

Something Yummy for a Happy Tummy! - Probiotic Bites are functional soft chew dog supplements that support gut flora and immune support for your canine companion.
Featuring DE111 - This chewable supplement contains DE111, which is a clinically studied Bacillus subtilis that supports gut health and immune system function for your doggy.
For a Healthy Gut - Fido can continue to digest with more zest! Probiotic Bites help support gut flora and normal digestive function for small, medium, and large breeds whether an adult or senior!
Immune System Support - At a total of 3 billion CFU per chew, the probiotics in these Probiotic Bites provide paw-erful support for your dog's immunity.
Good Gut Bacteria - These chewables include pawsome probiotic strains such as Lactobacillus acidophilus, L. plantarum, L. brevis, L. fermentum, and Lactococcus lactis.

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Why We Love It

Something Yummy for a Happy Tummy! - Probiotic Bites are functional soft chew dog supplements that support gut flora and immune support for your canine companion.
Featuring DE111 - This chewable supplement contains DE111, which is a clinically studied Bacillus subtilis that supports gut health and immune system function for your doggy.
For a Healthy Gut - Fido can continue to digest with more zest! Probiotic Bites help support gut flora and normal digestive function for small, medium, and large breeds whether an adult or senior!
Immune System Support - At a total of 3 billion CFU per chew, the probiotics in these Probiotic Bites provide paw-erful support for your dog's immunity.
Good Gut Bacteria - These chewables include pawsome probiotic strains such as Lactobacillus acidophilus, L. plantarum, L. brevis, L. fermentum, and Lactococcus lactis.

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We use smart data tools to review thousands of products and stores, analyzing ratings, reviews, and popularity trends to highlight what truly matters to shoppers like you.

Our experts then refine the results, blending AI insights with real user experiences to deliver accurate, up-to-date rankings that help you choose with confidence.

9.5

Excellent

Zesty Paws

Zesty Paws Vet Strength Probiotics for Dogs, Digestive Health & Gut Flora Support, Dog Supplements, 90 Count

Main Highlights

DIGESTIVE SUPPORT: Enhance your dog's digestion with these soft dog probiotic chews featuring Amylase, Protease, Bromelain, and probiotics for a healthier gut and improved tummy comfort
IMMUNE SYSTEM BOOST: These veterinarian formulated dog probiotics contain DE111 Bacillus subtilis and VitaFiber to help support your dog's immune function while promoting overall wellness
GUT MICROBIOME CARE: Each chew includes Gingever and LBiome blends to support digestive motility and the protective layers of the bowel, promoting dog gut health probiotics
CLINICALLY STUDIED FORMULA: DE111, a scientifically researched probiotic for dogs, supports normal gut function and immunity, offering your pet a trusted option for digestive health
DOG-APPROVED TASTE: Designed with a delicious flavor that dogs love, these probiotic chews for dogs make maintaining digestive health easy and enjoyable for your canine companion

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Main Highlights

DIGESTIVE SUPPORT: Enhance your dog's digestion with these soft dog probiotic chews featuring Amylase, Protease, Bromelain, and probiotics for a healthier gut and improved tummy comfort
IMMUNE SYSTEM BOOST: These veterinarian formulated dog probiotics contain DE111 Bacillus subtilis and VitaFiber to help support your dog's immune function while promoting overall wellness
GUT MICROBIOME CARE: Each chew includes Gingever and LBiome blends to support digestive motility and the protective layers of the bowel, promoting dog gut health probiotics
CLINICALLY STUDIED FORMULA: DE111, a scientifically researched probiotic for dogs, supports normal gut function and immunity, offering your pet a trusted option for digestive health
DOG-APPROVED TASTE: Designed with a delicious flavor that dogs love, these probiotic chews for dogs make maintaining digestive health easy and enjoyable for your canine companion

9.5

Excellent

PetLab Co.

PetLab Co. Probiotics for Dogs, Support Gut Health, Occasional Diarrhea, Digestive Health & Seasonal Allergies - Salmon Flavor - Packaging May Vary - 30 Soft Chews

Main Highlights

New Clinically Tested Formula - With the success of our premium dog probiotics, we teamed up with experts to create a delicious new advanced salmon-flavored formula! With all the benefits of our top-selling soft pork chew plus new powerful ingredients
Support for Paw Licking, Itchy Skin & Healthy Yeast Levels: Each tasty probiotic chew is formulated with prebiotics and probiotics. Including 8 strains of beneficial bacteria to support the immune system and dogs seasonal allergies
Digestive Health: This probiotic supplement also contains Inulin (a prebiotic for dogs) and Pumpkin for dogs to support digestive health and help counter occasional diarrhea and constipation
Manufactured in the USA & NASC Certified: Our mission is to ensure the very best quality through research and rigorous production practices. All our dog health supplies are manufactured in the USA using ingredients sourced from prime locations in the US & worldwide
Long Term Benefits: 89% of PetLabCo. subscribers have seen benefits within 90 days* of making this part of their dogs daily routine*. Subscribe & save today to join over 5 million PetLabCo. pet owners investing in their dogs health & happiness daily. *Results are based on feedback from a September 2025 survey of PetLabCo. subscribers who reported using Probiotic Chews daily or almost daily for 90+ days (n=307)

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Main Highlights

New Clinically Tested Formula - With the success of our premium dog probiotics, we teamed up with experts to create a delicious new advanced salmon-flavored formula! With all the benefits of our top-selling soft pork chew plus new powerful ingredients
Support for Paw Licking, Itchy Skin & Healthy Yeast Levels: Each tasty probiotic chew is formulated with prebiotics and probiotics. Including 8 strains of beneficial bacteria to support the immune system and dogs seasonal allergies
Digestive Health: This probiotic supplement also contains Inulin (a prebiotic for dogs) and Pumpkin for dogs to support digestive health and help counter occasional diarrhea and constipation
Manufactured in the USA & NASC Certified: Our mission is to ensure the very best quality through research and rigorous production practices. All our dog health supplies are manufactured in the USA using ingredients sourced from prime locations in the US & worldwide
Long Term Benefits: 89% of PetLabCo. subscribers have seen benefits within 90 days* of making this part of their dogs daily routine*. Subscribe & save today to join over 5 million PetLabCo. pet owners investing in their dogs health & happiness daily. *Results are based on feedback from a September 2025 survey of PetLabCo. subscribers who reported using Probiotic Chews daily or almost daily for 90+ days (n=307)

9.2

Excellent

ZEBORA

Probiotics for Dogs, Dog Probiotics for Digestive Health, Plus Pumpkin and Fish Oil, for Gut & Itchy, 120 Soft Chews

Main Highlights

TOTAL GUT & BREATH SUPPORT - Advanced 5-in-1 formula combines 6 Billion CFU probiotics with digestive enzymes to balance gut flora. It effectively alleviates gas, bloating, and diarrhea while helping to freshen your dog's breath from the inside out. No more doggie breath!
RELIEF FOR ITCHY SKIN & ALLERGIES - Boosted with Omega 3-6-9 and Pumpkin, these chews help soothe itchy skin, seasonal allergies, and yeast issues. The premium ingredients promote a shiny coat and reduce shedding, ensuring your dog looks as healthy as they feel
PERFECT FOR PUPPIES & SENIORS - These soft, chicken-flavored chews are designed for dogs of all sizes and ages. They are easy to digest and can be easily broken into smaller pieces for puppies or senior dogs with sensitive teeth. A treat-like taste that even picky eaters love!
NO REFRIGERATION & SHELF STABLE - Our probiotics are shelf-stable and require no refrigeration, making them perfect for travel or easy storage in your pantry. Each bottle provides 120 chewsup to a 4-month supplyoffering incredible value for your pet's daily wellness
TRUSTED USA QUALITY & PURITY - Proudly made in the USA in a GMP-certified facility and 3rd-party tested. Free from corn, wheat, soy, and dairy. We use 85% real chicken for maximum flavor and safety

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Main Highlights

TOTAL GUT & BREATH SUPPORT - Advanced 5-in-1 formula combines 6 Billion CFU probiotics with digestive enzymes to balance gut flora. It effectively alleviates gas, bloating, and diarrhea while helping to freshen your dog's breath from the inside out. No more doggie breath!
RELIEF FOR ITCHY SKIN & ALLERGIES - Boosted with Omega 3-6-9 and Pumpkin, these chews help soothe itchy skin, seasonal allergies, and yeast issues. The premium ingredients promote a shiny coat and reduce shedding, ensuring your dog looks as healthy as they feel
PERFECT FOR PUPPIES & SENIORS - These soft, chicken-flavored chews are designed for dogs of all sizes and ages. They are easy to digest and can be easily broken into smaller pieces for puppies or senior dogs with sensitive teeth. A treat-like taste that even picky eaters love!
NO REFRIGERATION & SHELF STABLE - Our probiotics are shelf-stable and require no refrigeration, making them perfect for travel or easy storage in your pantry. Each bottle provides 120 chewsup to a 4-month supplyoffering incredible value for your pet's daily wellness
TRUSTED USA QUALITY & PURITY - Proudly made in the USA in a GMP-certified facility and 3rd-party tested. Free from corn, wheat, soy, and dairy. We use 85% real chicken for maximum flavor and safety

9.0

Excellent

TzzyiC

TzzyiC Probiotics for Dogs Gut Digestive Health Probiotic Chews for Dogs Digestive Enzymes Relieve Diarrhea Immunity Oral Problems Itching Constipation Prebiotics Dog Probiotics 200 Ct Chicken

Main Highlights

Promotes Digestive Health: Probiotic for dogs is specifically formulated to balance gut flora, dog digestive support, and help with common digestive issues. Pet probiotic chewable tablets effectively support your dog's digestive balance and healthy gut flora, relieving vomiting, flatulence, and bloating.This probiotic for dogs gut health is probiotics and enzymes for dogs keep his digestive system in good shape, promote absorption, full of vitality
Gut health for dogs helps support immune and oral health: Dog probiotics for digestive health not only supports digestive health, pet probiotics for dogs also helps support immune and overall health, strengthening your dog's immune system. Dog health starts in the intestines, dog probiotic can also effectively improve oral problems, inhibit bad breath, reduce dental plaque, probiotic dog chews helps freshen breath and keep gums healthy
Premium formula: Dog probiotics is rich in premium ingredients such as inulin, papaya and pumpkin, does not contain wheat or soy, and is delicious. The digestive enzymes in dog probiotic help break down proteins, fats and carbohydrates, which can improve the dog's digestion and intestinal health. Prebiotic for dog's chicory root helps support the growth of beneficial bacteria in your digestive system. Probiotics for puppies provides your dog with the daily care needed for digestive health
Suitable for all dogs to help absorb essential nutrients: This dog probiotic chews is specially formulated for dogs and be rich in probiotic for dogs and enzymes. Contribute to probiotic dog enzymes for dogs and help your pet get the most nutrients from their daily dietIs probiotic chew for dogs and probiotic dog treats.Support your dog's health from gut to mouth.Keep your dog active every day.It's necessary for dog probiotic supplements
Veterinarian Recommended, Supports Holistic Health: Pet probiotics for dogs supports holistic health, veterinarian recommended. Developed with a veterinary formula, it is free of animal protein, artificial additives, and colorings, making it safe and beneficial for dogs. Dog probiotics aids metabolism and helps improve your pet's overall digestive health. Probiotics for dogs provides excellent digestive support and nutrition, keeping your pet's life vibrant

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Main Highlights

Promotes Digestive Health: Probiotic for dogs is specifically formulated to balance gut flora, dog digestive support, and help with common digestive issues. Pet probiotic chewable tablets effectively support your dog's digestive balance and healthy gut flora, relieving vomiting, flatulence, and bloating.This probiotic for dogs gut health is probiotics and enzymes for dogs keep his digestive system in good shape, promote absorption, full of vitality
Gut health for dogs helps support immune and oral health: Dog probiotics for digestive health not only supports digestive health, pet probiotics for dogs also helps support immune and overall health, strengthening your dog's immune system. Dog health starts in the intestines, dog probiotic can also effectively improve oral problems, inhibit bad breath, reduce dental plaque, probiotic dog chews helps freshen breath and keep gums healthy
Premium formula: Dog probiotics is rich in premium ingredients such as inulin, papaya and pumpkin, does not contain wheat or soy, and is delicious. The digestive enzymes in dog probiotic help break down proteins, fats and carbohydrates, which can improve the dog's digestion and intestinal health. Prebiotic for dog's chicory root helps support the growth of beneficial bacteria in your digestive system. Probiotics for puppies provides your dog with the daily care needed for digestive health
Suitable for all dogs to help absorb essential nutrients: This dog probiotic chews is specially formulated for dogs and be rich in probiotic for dogs and enzymes. Contribute to probiotic dog enzymes for dogs and help your pet get the most nutrients from their daily dietIs probiotic chew for dogs and probiotic dog treats.Support your dog's health from gut to mouth.Keep your dog active every day.It's necessary for dog probiotic supplements
Veterinarian Recommended, Supports Holistic Health: Pet probiotics for dogs supports holistic health, veterinarian recommended. Developed with a veterinary formula, it is free of animal protein, artificial additives, and colorings, making it safe and beneficial for dogs. Dog probiotics aids metabolism and helps improve your pet's overall digestive health. Probiotics for dogs provides excellent digestive support and nutrition, keeping your pet's life vibrant

8.8

Very Good

Pro Plan Veterinary Diets

Purina Pro Plan Veterinary Supplements FortiFlora Daily Probiotics for Dogs, Helps Digestive Gut Health and Diarrhea - 30 ct. Box

Main Highlights

Number one probiotic supplement recommended by veterinarians (Kantar Veterinary Tracker, 2020)
Probiotic supplement for the dietary management of puppies and adult dogs with diarrhea
Contains a probiotic for dogs proven to promote intestinal health and balance
Promotes a strong immune system and contains antioxidants for dogs
Easy-to-feed dog supplement powder

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Main Highlights

Number one probiotic supplement recommended by veterinarians (Kantar Veterinary Tracker, 2020)
Probiotic supplement for the dietary management of puppies and adult dogs with diarrhea
Contains a probiotic for dogs proven to promote intestinal health and balance
Promotes a strong immune system and contains antioxidants for dogs
Easy-to-feed dog supplement powder

8.6

Very Good

VETIQ

VetIQ Probiotic Supplement for Dogs, Digestive Support for Dogs, Nourishes Gut Bacteria and Supports Bowel Function, Hickory Smoke Flavor, Made in The USA, 60 Count

Main Highlights

Health Supplement for Dog Gut Health: VetIQ soft chew probiotics for dogs are the perfect way to keep your dogs digestive health on track; they help to support dog digestion when switching to a new food or dealing with occasional tummy troubles
Gut & Digestive Health Probiotic for Dogs: Our Probiotic soft chews are made to support proper bowel health and keep your dogs digestive system running smoothly; each bite helps maintain a balanced gut flora and a healthy intestinal tract
High-Quality Ingredients: Probiotics for dogs gut health made with a careful selection of high-quality ingredients; our formula includes beneficial bacteria like L. reuteri and B. coagulans, along with millions of active probiotics
Hickory Smoke Flavor: Packed with a rich hickory smoke flavor that dogs find irresistible, these soft dog probiotic chews are both beneficial and delicious, making it easy to give your dog the support they need
Veterinarian Recommended: VetIQ dog probiotic supplements are trusted by veterinarians and certified by the NASC (National Animal Supplement Council), ensuring high standards of quality, safety, and effectiveness

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Main Highlights

Health Supplement for Dog Gut Health: VetIQ soft chew probiotics for dogs are the perfect way to keep your dogs digestive health on track; they help to support dog digestion when switching to a new food or dealing with occasional tummy troubles
Gut & Digestive Health Probiotic for Dogs: Our Probiotic soft chews are made to support proper bowel health and keep your dogs digestive system running smoothly; each bite helps maintain a balanced gut flora and a healthy intestinal tract
High-Quality Ingredients: Probiotics for dogs gut health made with a careful selection of high-quality ingredients; our formula includes beneficial bacteria like L. reuteri and B. coagulans, along with millions of active probiotics
Hickory Smoke Flavor: Packed with a rich hickory smoke flavor that dogs find irresistible, these soft dog probiotic chews are both beneficial and delicious, making it easy to give your dog the support they need
Veterinarian Recommended: VetIQ dog probiotic supplements are trusted by veterinarians and certified by the NASC (National Animal Supplement Council), ensuring high standards of quality, safety, and effectiveness

8.3

Very Good

Nutri-Vet

Nutri-Vet Pre & Probiotics for Dogs, Digestive Support, Upset Stomach, Puppy Probiotic, Pet Vitamins and Supplements, Dog Probiotics, Liver & Cheese Flavor, 120 Soft Chews

Main Highlights

DIGESTIVE ENZYMES FOR DOGS: These probiotic dog chews support dog digestive health with high-quality ingredients: Perfect for all breeds and sizes, our dog probiotics provide essential dog digestive support to keep your pup happy and healthy
VERSATILE BENEFITS: These probiotics for dogs support dog digestive health, promote proper stool quality, and boost the immune system; With naturally occurring micro-organisms, our dog probiotic chews aid dog gut health for overall wellness
GREAT TASTE: These probiotic chews for dogs support dog digestive health while delivering a flavor even picky eaters love; Packed with probiotics for dogs digestive health, they make the perfect dog probiotic chews for daily dog gut health support
POWDER-FREE GUT HEALTH: No more messy powders! Support dog gut health with our probiotic dog chews; These dog digestive supplements provide the benefits of probiotics for dogs digestive health in an easy, mess-free chewno scooping or mixing needed!
POWERFUL BLEND: Our probiotic dog chews contain 1 billion CFUs of beneficial bacteria cultures; With prebiotic for dogs like inulin, these dog probiotics for digestive health support dog gut health, aiding dog digestive support and diarrhea relief

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Main Highlights

DIGESTIVE ENZYMES FOR DOGS: These probiotic dog chews support dog digestive health with high-quality ingredients: Perfect for all breeds and sizes, our dog probiotics provide essential dog digestive support to keep your pup happy and healthy
VERSATILE BENEFITS: These probiotics for dogs support dog digestive health, promote proper stool quality, and boost the immune system; With naturally occurring micro-organisms, our dog probiotic chews aid dog gut health for overall wellness
GREAT TASTE: These probiotic chews for dogs support dog digestive health while delivering a flavor even picky eaters love; Packed with probiotics for dogs digestive health, they make the perfect dog probiotic chews for daily dog gut health support
POWDER-FREE GUT HEALTH: No more messy powders! Support dog gut health with our probiotic dog chews; These dog digestive supplements provide the benefits of probiotics for dogs digestive health in an easy, mess-free chewno scooping or mixing needed!
POWERFUL BLEND: Our probiotic dog chews contain 1 billion CFUs of beneficial bacteria cultures; With prebiotic for dogs like inulin, these dog probiotics for digestive health support dog gut health, aiding dog digestive support and diarrhea relief

8.1

Very Good

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

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 pets 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 pets daily routine is simple just open the capsule and sprinkle the powder onto your pets 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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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 pets 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 pets daily routine is simple just open the capsule and sprinkle the powder onto your pets 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.

8.1

Very Good

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

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 pets 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 pets daily routine is simple just open the capsule and sprinkle the powder onto your pets 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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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 pets 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 pets daily routine is simple just open the capsule and sprinkle the powder onto your pets 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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