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The 8 Best dog probiotics of 2025

Are you trying to find dog probiotics among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling dog probiotics on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 17 hours of research and did 53 dog probiotics tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best dog probiotics you can buy today

SaleNo. 1
Purina Pro Plan Veterinary Supplements FortiFlora Dog Probiotic Supplement, Canine Nutritional Supplement - 30 Ct. Box
  • 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
No. 2
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
  • Support Fido's Tummy - These functional soft chew supplements have a base of pumpkin and papaya (sources of enzymes) plus probiotics for digestion, bowel, and immune support to care for canine pets.
  • Features Clinically Studied DE111 Probiotic - This chewable functional supplement contains DE111, a clinically studied Bacillus subtilis that supports proper digestive function and the immune system.
  • Six-Strain Probiotic Powder Blend - These chewables contain six probiotics (live bacteria) that support gut function and proper gut flora for support against occasional diarrhea, gas, and bloating.
  • Supports Doggy Gut Flora - Probiotic Bites help support microflora for occasional gastric distress (constipation, indigestion, gas, bloating) support and digestive tract health for your doggie.
  • Treat Fido to Tasty Immunity Support - The DE111, Lactobacillus acidophilus, L. plantarum, L. brevis, L. fermentum, and L. lactis help animal immune response for small, medium, and large breeds.
SaleNo. 3
PetLab Co. Probiotics for Dogs, Support Gut Health, Occasional Diarrhea, Digestive Health & Seasonal Allergies - Pork Flavor - 30 Soft Chews - Packaging May Vary
  • America's #1 Selling Probiotic for Dogs: PetLab Co.’s premium quality dog probiotics were the top-selling dog health supplement on Amazon in 2022. And owners across America are loving the benefits
  • 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 dog’s 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: 84% of PetLab Co. subscribers have seen benefits within 90 days of making this part of their dog’s daily routine*. Subscribe & save today to join over 4 million PetLab Co. pet owners investing in their dog’s health & happiness daily
SaleNo. 4
Nutri-Vet Pre and Probiotic Soft Chews for Dogs, Digestive Support, Upset Stomach, Liver & Cheese Flavor, Canine Prebiotic, Pet Fiber Supplement, Alternative to Dog Probiotic Powder, 120 Soft Chews
  • DIGESTIVE ENZYMES FOR DOGS: Our probiotic dog chews are carefully crafted with your furry friend in mind; using only high-quality ingredients that are safe and beneficial, our chews provide dog digestive support for all breeds and sizes
  • VERSATILE BENEFITS: Our probiotics for dogs support healthy digestion, promote proper stool quality, provide immune system support, and contain naturally occurring micro-organisms that aid dog gut health
  • GREAT TASTE: Our probiotic chews for dogs not only provide essential digestive support, they also provide a taste even the pickiest of eaters can't resist, making this the perfect digestive probiotic for dogs
  • POWDER-FREE GUT HEALTH: Say goodbye to messy powders and support dog digestive health with our probiotic dog chews; These dog digestive supplements deliver all the benefits of a probiotic for dogs in a mess-free chew—no scooping or mixing required!
  • POWERFUL BLEND: Our probiotic dog chews contain 1 billion CFUs of live, beneficial bacteria cultures; plus, with the inclusion of prebiotic inulin, our dog probiotics help stimulate growth of these bacteria in the digestive tract
SaleNo. 5
No. 6
Pet Naturals Daily Probiotic for Dogs, Duck Flavor, 160 Chews - 120M CFUs Pre and Probiotics for Dogs Digestive Health, Gut Health, Immune Support, Diarrhea, Allergies and Itching
  • Probiotic chews for dogs: Pet Naturals’ veterinarian-formulated dog probiotic helps maintain microflora balance in the GI tract to promote gut health, regularity and immune function while discouraging the growth of bad bacteria
  • Dog probiotics for digestive health: Combining 120 million CFUs of Bacillus coagulans and prebiotic fiber to help ease signs of GI distress like diarrhea, vomiting, constipation, bad breath, gas, bloating, itching and paw licking
  • Optimal gut health for dogs supports their overall health: Much of a dog’s wellness starts in the gut, meaning you can support immune health, allergy response, nutrient absorption, skin health and more by introducing good bacteria to their microbiome
  • Dog digestive support made easy: Give 1 of our dog probiotic chews per 25 lbs of body weight; recommended for dogs that suffer environmental or nervous digestive issues or those that are currently on an antibiotic
  • Delicious, effective & safe: Pet Naturals cat and dog supplements are carefully crafted to support your pet’s health from nose to paw; free from corn, wheat and artificial ingredients; veterinarian formulated, NASC approved and manufactured in the USA
No. 8
Native Pet Probiotics for Dogs - Dog Probiotics Powder for Digestive Health, Gut Support, & Immune Boost – Vet-Formulated Powder for Maximum Potency with Digestive Enzymes & Prebiotics - 30 Scoops
  • POWDER FORMULATED FOR MAXIMUM PROBIOTIC POTENCY: Our probiotic powder for dogs comes in a powder format with full probiotic potency for maximum efficacy. This probiotic for dogs digestive health is unlike highly processed soft chews, which are heated to remove moisture and can damage probiotic strains and their potency. Our powder protects the integrity of the ingredients and doesn’t require artificial fillers, providing your dog with pure, effective probiotic for dogs gut health.
  • 6 BILLION CFUs FOR A WELL BALANCED GUT HEALTH: Packed with 6 billion CFUs, this probiotic for dogs supports their digestive system by tackling diarrhea, upset stomach, gas, bloating, and yeast infections. It provides relief for sensitive stomachs, new diets, and travel stress. Ideal for maintaining long-term gut health for dogs, and helps with itchy skin and itchy ears. The high CFU count promotes a healthy balance of gut bacteria, supporting digestion, nutrient absorption, and overall wellness.
  • IMMUNE BOOST AND OVERALL HEALTH: Our dog probiotic supplements is not only a dog digestive support but also helps boost your dog’s immune system. The 4 carefully selected probiotic strains, along with prebiotic fiber, works to strengthen the gut barrier, which plays a crucial role in immune function. By maintaining a healthy balance of gut bacteria, this dog probiotics for digestive health enhances your dog’s overall health and ensures a strong immune system and overall wellness.
  • VET-DEVELOPED PROBIOTIC BLEND: This dog probiotic blend is expertly formulated with 4 powerful probiotic strains, prebiotic fiber, and protein to support your dog’s gut health. These strains work together to promote a balanced microbiome, improve digestion, and enhance nutrient absorption. This blend provides dog gut health probiotics and overall gut wellness, boosting immune function and supporting a healthy digestive system. A great dog food topper, ensuring your dog feels their best every day
  • 4 SIMPLE AND ALL NATURAL INGREDIENTS MADE TASTY: Our dog probiotic powder is made with just four all-natural ingredients—no fillers or additives. It includes digestive enzymes for dogs, along with dog prebiotics and probiotics for maximum digestive health. Organic Jerusalem Artichoke provides inulin fiber to nourish healthy gut bacteria, while organic pumpkin seed is a great dog fiber supplement to support digestion. The beef bone broth adds a savory taste that makes each serving dog approved.
  • MANUFACTURED IN THE USA: Our pet probiotics for dogs are proudly manufactured in the USA, ensuring top-quality production and safety standards. This dog probiotics for allergies and itching formula is crafted to support your dog's overall well-being, while the added fiber for dogs promotes healthy digestion. Made with premium ingredients and rigorous quality control, you can trust that every serving supports your dog’s health in the best possible way.
SaleNo. 9
Probiotics for Dogs and Digestive Enzymes - 170 Dog Probiotics Chews - Dog Probiotic - Anti Diarrhea, Upset Stomach & Gas Relief, Constipation, Canine Prebiotic - Pet Fiber Supplement - Gut Health
  • Promotes Digestive Health: This probiotic for dogs is specifically formulated to maintain a healthy gut in dogs of all sizes. They help combat common issues like diarrhea, constipation, and upset stomachs.
  • Advanced Probiotic & Prebiotic Formula: Each chew is packed with essential dog probiotics and digestive enzymes, along with fiber ensuring your canine companion gets the full spectrum of digestive support
  • Ease Stomach Discomfort: Our pet probiotics for dogs contain ingredients known for providing relief from gas, acid, and loose stool, helping your dog feel comfortable and happy. Dog probiotic, probiotic for dogs
  • Formulated for All Dogs: Created with every dog in mind, our probiotic chews for dogs are perfect for all ages and sizes - from playful puppies to wise seniors - so your loyal companion gets the nutrients they need at any stage of life
  • Veterinarian Developed & USA Made: Trust in the premium quality of our dog digestive support supplement, which are formulated by veterinarians and manufactured in the USA within an FDA-registered facility
No. 10
Nutramax Proviable Probiotics for Dogs, Daily Digestive Health Supplement with Multiple Strains of Bacteria, Dog Probiotics Plus Prebiotics, 60 Chewable Tablets
  • Dog Probiotics for Digestive Health - Proviable chewable tablets provide 5 billion colony-forming units (CFUs) of the multiple strains of beneficial probiotics to support your pet’s 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 contains beneficial bacteria to help support gut health.
  • Easy Administration - Available as a tasty chewable tablet, you can hand feed these to your dog or break them into smaller pieces and mix with their food.
  • 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.

How to choose a good dog probiotics

Does the idea of finding a fantastic dog probiotics make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in dog probiotics. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top dog probiotics products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top dog probiotics on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top dog probiotics brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top dog probiotics based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the dog probiotics were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good dog probiotics, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your dog probiotics.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting dog probiotics for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our dog probiotics. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what dog probiotics should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on dog probiotics.