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Best Probiotics for Dogs of 2025

Join the millions that have trusted Veterinarians of America expert reviews and data-driven recommendations. Our curated Best Probiotics for Dogs of 2025 expertly vetted and reviewed by our professionals.

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About our ranking

Written by Connor Manion

Updated November 17, 2025

Connor Manion
Connor Manion
Connor Manion is a University of Florida graduate living in the mountains of Northern Georgia. You can find his work among the pages of the Miami Herald, The Olympian, the Sun Herald, and the Fresno Bee. His writing covers a broad range of interests including health and fitness, home improvement, cooking, and pet care. In addition to writing, Connor tutors middle and high school students in math, English, and Economics.
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Best Pick
1
9.8/10 (129)
1
Protexin Daily Care Gut+ Wellness, 60 probiotic and postbiotic Dog Supplement Chews – Duck and Carrot Flavored

Protexin Daily Care Gut+ Wellness, 60 probiotic and postbiotic Dog Supplement Chews – Duck and Carrot Flavored

9.8/10 (129 reviews)
Supports gut health
Made with high-quality ingredients
Resealable packaging
Easy to digest
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Protexin Daily Care Gut+ Wellness, 60 probiotic and postbiotic Dog Supplement Chews – Duck and Carrot Flavored
The Protexin dog probiotic is a remarkable health supplement that addresses numerous areas of your dog's health. These chewable supplements invigorate your dog's mobility and fortify their skin. Simultaneously, they promote a healthy immune system with a powerful combination of probiotics and postbiotics. Enjoy watching your dog gobble up each chew, delighting in the irresistible scent.
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Runner-Up
2
9.4/10 (129)
2
Protexin Daily Care Gut+ Digestive Dog Supplement Chews

Protexin Daily Care Gut+ Digestive Dog Supplement Chews

9.4/10 (129 reviews)
Strengthens immune response
Free of gumming agents
Contains natural flavoring
USA manufactured
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Protexin Daily Care Gut+ Digestive Dog Supplement Chews
These dog probiotic chews from Protexin provide comprehensive gut support for dogs of all sizes. Packed with potent probiotics like Enterococcus faecium PXN33, each chew delivers 1 billion CFU, aiding in the balance of your dog’s gut microbiome. These carefully developed supplements are backed by over 30 years of experience and scientific validation, giving you assurance in the quality and effectiveness of the product.
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Honorable Mention
3
10/10 (129)
3
Protexin Daily Care Gut+ Mobility, 60 postbiotic Dog Supplement Chews – Chicken and Bacon Flavored

Protexin Daily Care Gut+ Mobility, 60 postbiotic Dog Supplement Chews – Chicken and Bacon Flavored

10/10 (129 reviews)
Flavor: Bacon and chicken
Quantity: 60 soft chews
Special Ingredient: Hemp seed powder
Key Feature: Includes postbiotics for bone health and mobility
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Protexin Daily Care Gut+ Mobility, 60 postbiotic Dog Supplement Chews – Chicken and Bacon Flavored
We loved that Protexin Mobility Dog Supplement was developed by veterinarians and backed by over 30 years of scientific research. These chews are palatable and packed with essential health benefits, making them irresistibly attractive to dog owners seeking the best for their beloved pets. One of our favorite features is this supplement's ability to support a healthy gut, ensuring optimal digestion and absorption of nutrients. As a bonus, a well-balanced gut microbiome helps improve immune function and digestive health — essential to the longevity and quality of your pet's life.
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FAQ
How many chews should you give your dog daily?
Small dogs (<25 pounds) need one chew, medium dogs (25-75 pounds) need two chews, and large dogs (>75 pounds) need three chews per day.
Protexin Daily Care Gut+ Mobility, 60 postbiotic Dog Supplement Chews – Chicken and Bacon Flavored
Protexin Daily Care Gut+ Mobility, 60 postbiotic Dog Supplement Chews – Chicken and Bacon Flavored
Buying Guide

Tail-Wagging Goodness: Navigating the World of Probiotics for Dogs


Probiotics for dogs play a crucial role in maintaining their digestive health and overall well-being. They help balance the intestinal flora, improve digestion, strengthen the immune system, and alleviate gastrointestinal issues such as diarrhea or constipation. Introducing probiotics into your dog's diet can promote a healthier gut microbiome and support their vitality and longevity.


Strain Selection


Different probiotic strains offer specific benefits for dogs. For example, Lactobacillus acidophilus and Bifidobacterium animalis are known for supporting digestive health, while Lactobacillus reuteri may help manage allergies. Consider your dog's health needs and choose a probiotic with strains tailored to address those concerns.


Ingredients and Formulation


Look for probiotic supplements formulated with high-quality, natural ingredients and free from artificial additives, fillers, and unnecessary preservatives. Additionally, opt for products that contain prebiotics like inulin or fructooligosaccharides (FOS), as these substances can nourish beneficial gut bacteria and enhance probiotic effectiveness.


CFU Count


Colony-forming units (CFUs) indicate the potency of probiotic supplements. Higher CFU counts, such as those exceeding one billion CFUs per serving, may be beneficial for dogs with severe digestive issues or compromised immune systems. However, for general maintenance of gut health, lower CFU counts can suffice.


Viability and Stability


Ensure that the probiotic supplement guarantees the viability of live bacteria until the expiration date. Look for products with enteric coatings or microencapsulation technology, which protect probiotics from stomach acid and ensure their survival until they reach the intestines where they can exert their beneficial effects.


Flavor and Palatability


Choose probiotic supplements with flavors and textures that appeal to your dog's taste preferences. Some dogs may prefer chewable tablets, soft chews, or flavored powders that can be easily mixed into food. Experiment with different formulations to find the one that your dog enjoys most.


Veterinarian Recommendations


Consult with your veterinarian to determine the most appropriate probiotic supplement for your dog's specific health needs. Veterinarians can provide personalized recommendations based on factors such as age, breed, size, and any existing health conditions or medications.


Customer Reviews and Reputation


Research the reputation of the probiotic brand and read customer reviews to assess the effectiveness and reliability of the product. Look for testimonials from dog owners whose pets have experienced positive results with the probiotic supplement, particularly those addressing similar health concerns as your dog.

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Protexin Daily Care Gut+ Mobility, 60 postbiotic Dog Supplement Chews – Chicken and Bacon Flavored
Protexin Daily Care Gut+ Mobility, 60 postbiotic Dog Supplement Chews – Chicken and Bacon Flavored
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9.8
Based on 129 reviews
SUPPORTS BONE HEALTH & JOINT MOBILITY: Protexin mobility chews contain mobility supporting vitamins and minerals such as Collagen and Glucosamine to keep them doing what they do best.,SUPPORTS A HEALTHY GUT: We use Inulin, Turmeric, Kelp and Omega-3 Fatty Acids in our recipe to support your dogs gut health, digestion and immunity to make sure theyre happy and healthy.,VETERINARIAN APPROVED: Protexin Dog Chews only uses high-quality, veterinarian recommended ingredients, so you get the No.1* for your No.1 (*Kynetec UK VetTrak, MAT September 2024),GUT+ RANGE: Protexin Gut+ supports a range of different elements, such as mobility, immunity, digestion, wellness, calming and skin & coat, so you can find the dog chew perfect for you.,SUITABLE FOR DOGS OF ALL SIZE: The larger the dog, the more chews you will need, so please see below for our suggested dog chew dosage

Pros

  • Flavor: Bacon and chicken
  • Quantity: 60 soft chews
  • Special Ingredient: Hemp seed powder
  • Key Feature: Includes postbiotics for bone health and mobility
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On Amazon

Buying Guide

Tail-Wagging Goodness: Navigating the World of Probiotics for Dogs


Probiotics for dogs play a crucial role in maintaining their digestive health and overall well-being. They help balance the intestinal flora, improve digestion, strengthen the immune system, and alleviate gastrointestinal issues such as diarrhea or constipation. Introducing probiotics into your dog's diet can promote a healthier gut microbiome and support their vitality and longevity.


Strain Selection


Different probiotic strains offer specific benefits for dogs. For example, Lactobacillus acidophilus and Bifidobacterium animalis are known for supporting digestive health, while Lactobacillus reuteri may help manage allergies. Consider your dog's health needs and choose a probiotic with strains tailored to address those concerns.


Ingredients and Formulation


Look for probiotic supplements formulated with high-quality, natural ingredients and free from artificial additives, fillers, and unnecessary preservatives. Additionally, opt for products that contain prebiotics like inulin or fructooligosaccharides (FOS), as these substances can nourish beneficial gut bacteria and enhance probiotic effectiveness.


CFU Count


Colony-forming units (CFUs) indicate the potency of probiotic supplements. Higher CFU counts, such as those exceeding one billion CFUs per serving, may be beneficial for dogs with severe digestive issues or compromised immune systems. However, for general maintenance of gut health, lower CFU counts can suffice.


Viability and Stability


Ensure that the probiotic supplement guarantees the viability of live bacteria until the expiration date. Look for products with enteric coatings or microencapsulation technology, which protect probiotics from stomach acid and ensure their survival until they reach the intestines where they can exert their beneficial effects.


Flavor and Palatability


Choose probiotic supplements with flavors and textures that appeal to your dog's taste preferences. Some dogs may prefer chewable tablets, soft chews, or flavored powders that can be easily mixed into food. Experiment with different formulations to find the one that your dog enjoys most.


Veterinarian Recommendations


Consult with your veterinarian to determine the most appropriate probiotic supplement for your dog's specific health needs. Veterinarians can provide personalized recommendations based on factors such as age, breed, size, and any existing health conditions or medications.


Customer Reviews and Reputation


Research the reputation of the probiotic brand and read customer reviews to assess the effectiveness and reliability of the product. Look for testimonials from dog owners whose pets have experienced positive results with the probiotic supplement, particularly those addressing similar health concerns as your dog.

Protexin Daily Care Gut+ Mobility, 60 postbiotic Dog Supplement Chews – Chicken and Bacon Flavored
Protexin Daily Care Gut+ Mobility, 60 postbiotic Dog Supplement Chews – Chicken and Bacon Flavored

Best Probiotics for Dogs

1
Protexin Daily Care Gut+ Mobility, 60 postbiotic Dog Supplement Chews – Chicken and Bacon Flavored

daily care gut+ mobility, 60 postbiotic dog supplement chews – chicken and bacon flavored

2
Protexin Daily Care Gut+ Wellness, 60 probiotic and postbiotic Dog Supplement Chews – Duck and Carrot Flavored

daily care gut+ wellness, 60 probiotic and postbiotic dog supplement chews – duck and carrot flavored

3
Protexin Daily Care Gut+ Digestive Dog Supplement Chews

daily care gut+ digestive dog supplement chews

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Our Top Choice
10/10
10
Protexin Daily Care Gut+ Mobility, 60 postbiotic Dog Supplement Chews – Chicken and Bacon Flavored
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Advertiser disclosure

Veterinarians of America is a comparison website that operates independently and is supported by advertising. The products and services featured on Veterinarians of America come from companies that provide compensation to Veterinarians of America. As an Amazon Associate, we earn from qualifying purchases. The compensation received may influence the placement and order of the products on the website. Veterinarians of America utilizes various proprietary criteria to determine the display and positioning of products on the site. It's important to note that Veterinarians of America does not encompass the entirety of available product options.

About our ranking

Our editors conduct objective reviews of products by evaluating various factors such as the features available to consumers, pricing and delivery options, product comparisons within its category, and other relevant considerations. The ratings provided are based on the expert opinions of our editors and utilize advanced technology that analyzes decisions made by similar users. This enables us to offer personalized recommendations to each individual visitor on our site.

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