10 Best Dog Probiotic Supplements of 2025

Tested and Reviewed: Top 10 Dog Probiotic Supplements deals with expert ratings from 8.1 to a perfect 10

May 2026 Edition

Editor's Choice

9.7

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

Editor's bottom line:

“This dog probiotic supplements is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

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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Picked by 397 people today

9.5

Artullano

Probiotics for Dogs - Support Gut Health, Itchy Skin, Allergies, Immunity, Yeast Balance - Dog Probiotics and Digestive Enzymes with Prebiotics - Reduce Diarrhea, Gas - 120 Probiotic Chews for Dogs

Main Highlights

Improve Gut Health & Relieve Digestive Issues: Our Advanced Probiotic for Dogs enhances gut health, alleviating irritable bowels, gas, bloating, constipation, loose stools, and anal gland issues
Support Immune & Overall Health: Our chewable probiotics for dogs not only support healthy digestion but also aid in alleviating food allergies, which can often manifest as skin conditions.
Premium Quality Ingredients: Our healthy chewable dog probiotic is expertly crafted with natural ingredients and free from artificial colors or flavorings, providing high-quality support for your dogs digestive health and overall well-being
Delicious Duck Flavored Soft Chews: Dogs will love the tasty chicken flavor of this probiotic for dogs treats, eliminating the need for messy powders, measuring, or hard-to-swallow pills.
All Breeds, All Ages And Size: our dog probiotics for yeast, itchy skin and itchy ears are suitable for dogs of all breeds from small yorkie to large retriever, all ages from puppy to senior dogs.

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9.5

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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9.2

PENPEN

PENPEN Probiotics for Dogs, Dogs Probiotics for Digestive Health, Multi-Probiotic and Enzyme Blend Promote Gut Health & Immune Support, Eases Sensitive Stomachs (Beef Chews, 50ct)

Main Highlights

6-in-1 Comprehensive Health Benefits: Packed with probiotics, prebiotics, enzymes, and natural ingredients like pumpkin and papaya, our PENPENPET probiotic chew for dogs provide six essential benefits: enhanced digestion, immune support, nutrient absorption, better skin and coat health, reduced gas, and relief from sensitive stomach issuesall in one easy, effective treat.
High Potency, Stable Formula: Our concentrated formula ensures maximum effectiveness with the perfect dosage of prebiotics and probiotics in every PENPEN Probiotic soft chew. Designed for daily use, this stable blend provides consistent support to keep your dogs gut health on track.
Premium Natural Ingredients for Gentle Care: Made with non-GMO, wheat-free, and soy-free ingredients, these probiotics for dogs are gentle enough for dogs with sensitive stomachs. Digestive boosters like chicory root, FOS, and pumpkin work together to regulate digestion and support overall gut health.
Delicious and Easy-to-Feed Treats: No powders or pillsjust a beef-flavored soft chew your dog will love! These dog probiotic chews make daily health care enjoyable for both pets and their owners, ensuring hassle-free feeding.
Certified for Quality and Safety: Crafted in a GMP-compliant, FDA-registered facility, our dog probiotics meet the highest quality standards. Backed by science and trusted by pet parents, PENPEN ensures safe and reliable solutions for your furry companions health.

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9.0

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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8.8

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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8.6

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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8.3

SnazFirst

SnazFirst Probiotics for Dogs, Dog Probiotics Chews for Digestive Health & Gut Health, Improve Immune System,Constipation & Diarrhea Relief(Chicken Flavor, 150 Chews)

Main Highlights

Premium Canine Probiotics for Comprehensive Gut Health: Our probiotics for dogs are specially formulated to support gut health for dogs, with 5 strains of active probiotics that effectively balance gut floraperfect for relieving common digestive troubles like gas, bloating, and irritable bowels. Whether your dog needs daily maintenance or occasional relief, these dog probiotics for digestive health are gentle and effective for all breeds and sizes.
Targeted Relief for Diarrhea & Constipation: Say goodbye to messy emergency care with our dog probiotics for diarrhea and constipation relief. These probiotic chews for dogs work quickly to regulate bowel movements, softening hard stools and firming loose ones, so your pup can feel comfortable again in just 2-3 daysno more stress for you or your furry friend.
Soothe Itchy Skin & Ears, Alleviate Yeast Issues: Our dog probiotics for yeast and probiotics for dogs yeast infections are a natural solution to combat itchy skin and itchy ears. By balancing gut flora, these probiotic for dogs help reduce food allergies that trigger skin irritation, keeping your dogs coat shiny and their skin itch-free without harsh medicated treatments.
Delicious Chicken-Flavored Probiotic Dog Chews: Make supplementation a joy with our soft, chicken-flavored probiotic dog chewsdogs love the taste, and youll love the convenience! These chews for dogs eliminate the hassle of messy powders, tedious measuring, or hard-to-swallow pills, turning daily probiotic care into a stress-free treat time for your pup.
All-Natural, Safe Formula for Sensitive Dogs: Our dog probiotic supplements are made with carefully selected natural ingredients, including inulin, pumpkin, brewers yeast, and natural chicken seasoningno artificial colors, flavors, or preservatives. This probiotic for dog formula is gentle enough for puppies, senior dogs, and dogs with sensitive stomachs or fussy eating habits.
Boost Immune System & Enhance Nutrient Absorption: These probiotics for dog not only support gut health but also strengthen your dogs immune system, supporting their overall wellness year-round. Rich in probiotics and enzymes, our dog probiotic chews help your pet absorb more nutrients from their daily diet, promoting overall vitality.
Versatile for All Dogs, From Puppies to Seniors: Our dogs probiotics are suitable for every stage of your dogs lifewhether you have a playful puppy, an active adult dog, or a gentle senior pup. The universal formula works for all breeds and sizes, providing sustained digestive and skin health support, even for dogs with poor digestion or weak immunity.
High-Value, Long-Lasting Supply: Each bottle contains 150 soft probiotic chews for dogs, offering a cost-effective solution for long-term gut health maintenance. Our probiotic dog supplements are designed for daily use, ensuring your dog gets consistent support to keep their gut balanced, digestion smooth, and skin healthyall in a delicious chew theyll look forward to.

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8.1

VientoSeek

Probiotics for Dogs - Dog Probiotics for Yeast, Itchy Skin and Itchy Ears, Digestive Health, Diarrhea Relief, Gut & Immune Support - with 7 Enzymes, 3 Prebiotics & Omega-3 (Duck 30ct)

Main Highlights

SYMBIOTIC DIGESTIVE ECOSYSTEM: Our dog probiotics build a 4-way digestive ecosystem: Digestive enzymes pre-break nutrients for easy absorption, while probiotics + prebiotics balance and nourish gut flora. Pumpkin helps dogs with a sensitive stomach maintain regular bowel movements. These layers go beyond ordinary probiotics, turning every meal into steady nourishment, digestive ease, and enduring energy*so your dog stays balanced and full of life.
TRIPLE IMMUNE SUPPORT: Gut health drives immunity, and our probiotics for dogs target it. Probiotics help maintain a balanced gut microbiome and support mucosal immunity, while plant antioxidants* (Rosemary & Green Tea) and natural Vitamin E help protect immune cells from daily wear and tear. Formulated for triple immune support - helping your dog stay vibrant and ready for everyday adventures.
DUAL-ACTION SKIN & COAT NOURISH: True skin and coat health starts from within. Gut and immune support work in sync with Salmon and Flaxseed Oils (Omega-3 & 6) to nourish skin and coat from the inside out. This dual-action care promotes a soft, shiny, and glossy coat youll love to touch.
PURE INGREDIENTS: We believe in complete ingredient integrity. Every batch of our dog probiotic chews is crafted in GMP-certified facilities using trusted, premium sources. They are free from grains, soy, and artificial additives. This commitment to safety and quality ensures a clean formula you can trust for your dogs overall wellness.
TASTE DOGS LOVE: Made with natural duck flavor, our probiotic chews are loved by most dogs, even picky eaters. Unlike other hard chews, these soft, easy-to-bite chews are perfect for puppies and senior dogs. They help support digestive comfort, gut balance, and skin & immune health: areas commonly affected by occasional diarrhea, seasonal allergies, itchy skin, or paw licking. A tasty daily chew your dog will love.
RESPONSIVE CUSTOMER SUPPORT: Our team is here to help. If you have any questions, please reach out to us anytime via Amazons messaging system. Wed love the opportunity to assist you and support your dogs happiness and health every day.

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8.1

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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Our Best Overall Choice

Best Choice

9.7

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

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

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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