May 4, 2026

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10 Best dog probiotic supplements of 2026

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1

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

Key Features
Multi-strain probiotic with 5 billion CFUs, prebiotics for microbiome health, formulated by veterinarians for digestive support.

Ideal Use Cases
Best for pets with diet changes, stress from travel/kenneling, dietary indiscretion, or digestive imbalances leading to loose stool.

Customer Reviews Highlight
Highly praised for effectively improving pets` digestive health and stool consistency, with noticeable results.
Key specs
- is discontinued by manufacturer:No
- product dimensions:2.5 x 2.5 x 4.25 inches; 1.6 ounces
- asin:B001O3UE9E
- date first available:June 11, 2008
- department:dog-vitamins-supplements
9.8

Exceptional

Our Rating
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Value for Money

2

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

Advanced Salmon Formula Benefits
Combines probiotics, prebiotics, and powerful ingredients for digestive and immune support.

Ideal for Allergies and Gut Health
Supports dogs with seasonal allergies, paw licking, and digestive issues.

Customer Praised Relief from Itching
Highly rated for reducing scratching and paw licking in dogs.
Key specs
- is discontinued by manufacturer:N/A
- product dimensions:N/A
- asin:B0C345HDWR
- date first available:April 20, 2023
- department:N/A
9.7

Exceptional

Our Rating
3

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

Promotes Intestinal Health and Balance
Contains a probiotic proven to promote intestinal health and balance in dogs.

Ideal for Dogs with Digestive Issues
Perfect for puppies and adult dogs with diarrhea and sensitive stomachs.

Favored for Fast Relief
Customers praise its quick effectiveness in alleviating digestive problems.
Key specs
- is discontinued by manufacturer:No
- manufacturer recommended age:1 month and up
- product dimensions:3 x 2.25 x 3.25 inches; 1.06 ounces
- asin:B001650NNW
- date first available:December 20, 2002
9.6

Exceptional

Our Rating
4

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

23% Off
9.5

Excellent

Our Rating
5

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

Contains Probiotics and Prebiotics
Includes 7 strains of beneficial bacteria for digestive health.

Ideal for All Life Stages
Suitable for cats and dogs of any age.

Highly Praised for Reducing Gas
Customers report significant reduction in pet's digestive issues.
Key specs
- is discontinued by manufacturer:No
- manufacturer recommended age:N/A
- product dimensions:2.5 x 1.5 x 3.5 inches 0.63 ounces
- asin:B0050JM626
- date first available:May 12, 2011
9.3

Excellent

Our Rating
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6

BuddyCheer

Probiotics for Dogs – Helps Digestion, Loose Stools, Gas & Sensitive Stomachs, Probiotics for Itchy Skin & Dog Yeast Infection, Immune & Fresher Breath with 4 Prebiotics & 5 Digestive Enzymes – 180 ct

24% Off Limited Time Deal
9.2

Excellent

Our Rating
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
Main highlights

Digestive and Immune Support
Contains DE111 probiotic and six-strain blend for gut health.

For All Dog Breeds
Ideal for small, medium, and large dogs needing digestive aid.

Reduces Gas and Bloating
Praised for eliminating unpleasant odors and digestive discomfort.
Key specs
- is discontinued by manufacturer:No
- product dimensions:3.5 x 3.5 x 4 inches 12.7 ounces
- asin:B01N17VJF7
- date first available:April 23, 2017
- department:N/A
9.1

Excellent

Our Rating
8

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

Enhances Gut Health
Advanced Probiotic for Dogs improves gut health, alleviating digestive issues like gas, bloating, and constipation.

Ideal for All Dogs
Suitable for all breeds and ages, from puppies to seniors.

Dogs Love the Taste
Most customers praise the delicious duck flavor that dogs enjoy.
Key specs
- is discontinued by manufacturer:N/A
- manufacturer recommended age:N/A
- product dimensions:N/A
- asin:B0C1CXDM4X
- date first available:April 3, 2023
9.0

Excellent

Our Rating
9

WONTECHMI
WONTECHMI Probiotics for Dogs, Improve Itchy Skin Itchy Ears, Gut Health, Yeast Balance, Allergies, Immunity, Dog Probiotics and Digestive Enzymes with Prebiotics, Reduce Diarrhea (Chicken, 120 chews)
Main highlights

Promotes Gut Health and Relieves Digestive Issues
WONTECHMI Advanced Probiotic for Dogs improves gut health and alleviates digestive problems like gas, bloating, and constipation.

Ideal for All Ages and Breeds
Suitable for any dog, from small Yorkies to large retrievers, offering relief from itchy skin and ears.

Highly Praised for Reducing Itchiness
Customers report significant improvement in dogs' itchy skin and glossy coat after use.
Key specs
- is discontinued by manufacturer:N/A
- manufacturer recommended age:N/A
- product dimensions:N/A
- asin:B0CSFF5T93
- date first available:January 16, 2024
8.9

Very Good

Our Rating
10

WAG

Amazon Brand - Wag Probiotic Supplement Chews for Dogs, Supports Digestive Health and Gut Flora, Natural Duck Flavor, 160 Count, Pack of 1
Key specs
- is discontinued by manufacturer:N/A
- manufacturer recommended age:N/A
- product dimensions:2.88 x 2.88 x 4.75 inches 8.47 ounces
- asin:B085TWQN4G
- date first available:December 3, 2020
8.8

Very Good

Our Rating

10 Best dog probiotic supplements of 2026

1

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

How do we rank?

How do we rank?

Analyzing top stores

2

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

3

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

4

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

5

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

6

Probiotics for Dogs – Helps Digestion, Loose Stools, Gas & Sensitive Stomachs, Probiotics for Itchy Skin & Dog Yeast Infection, Immune & Fresher Breath with 4 Prebiotics & 5 Digestive Enzymes – 180 ct

7

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

8

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

9

WONTECHMI Probiotics for Dogs, Improve Itchy Skin Itchy Ears, Gut Health, Yeast Balance, Allergies, Immunity, Dog Probiotics and Digestive Enzymes with Prebiotics, Reduce Diarrhea (Chicken, 120 chews)

10

Amazon Brand - Wag Probiotic Supplement Chews for Dogs, Supports Digestive Health and Gut Flora, Natural Duck Flavor, 160 Count, Pack of 1

Similar products on Amazon

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

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)

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)

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

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

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

Nutramax Proviable Probiotics for Dogs, Daily Digestive Health Supplement with Multiple Strains of Bacteria, Dog Probiotics Plus Prebiotics, 60 Chewable Tablets

Amazon Brand - Wag Probiotic Supplement Daily Chews for Dogs, Supports Digestion and Gut Health, Natural Duck Flavor, 90 count

Fera Pets Probiotics for Dogs & Cats with Prebiotics - USDA Organic - Gut Health Powder Supplement with 12 Strains and 5 Billion CFUs - Supports Immunity, Energy and Skin & Coat - 60 Scoops

Purina Pro Plan Veterinary Supplements FortiFlora Daily Probiotics for Dogs Chewable Tablets for Digestive Gut Health and Diarrhea - 45 ct. Canister

10 Best dog probiotic supplements of 2026

1

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

How do we rank?

How do we rank?

Analyzing top stores

2

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

3

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

4

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

5

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

6

Probiotics for Dogs – Helps Digestion, Loose Stools, Gas & Sensitive Stomachs, Probiotics for Itchy Skin & Dog Yeast Infection, Immune & Fresher Breath with 4 Prebiotics & 5 Digestive Enzymes – 180 ct

7

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

8

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

9

WONTECHMI Probiotics for Dogs, Improve Itchy Skin Itchy Ears, Gut Health, Yeast Balance, Allergies, Immunity, Dog Probiotics and Digestive Enzymes with Prebiotics, Reduce Diarrhea (Chicken, 120 chews)

10

Amazon Brand - Wag Probiotic Supplement Chews for Dogs, Supports Digestive Health and Gut Flora, Natural Duck Flavor, 160 Count, Pack of 1

Similar products on Amazon

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

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)

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)

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

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

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

Nutramax Proviable Probiotics for Dogs, Daily Digestive Health Supplement with Multiple Strains of Bacteria, Dog Probiotics Plus Prebiotics, 60 Chewable Tablets

Amazon Brand - Wag Probiotic Supplement Daily Chews for Dogs, Supports Digestion and Gut Health, Natural Duck Flavor, 90 count

Fera Pets Probiotics for Dogs & Cats with Prebiotics - USDA Organic - Gut Health Powder Supplement with 12 Strains and 5 Billion CFUs - Supports Immunity, Energy and Skin & Coat - 60 Scoops

Purina Pro Plan Veterinary Supplements FortiFlora Daily Probiotics for Dogs Chewable Tablets for Digestive Gut Health and Diarrhea - 45 ct. Canister

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