Sometimes you just know when something isn’t right with your pup. When the microbes in your dog’s stomach are disrupted or destroyed, your dog may suffer from upset stomach, diarrhea, skin conditions, allergies, and a general decline in health. The good news is that you can give your dog specially formulated probiotic and prebiotic supplements that can help to restore the balance of healthy bacteria in the gut, reducing unwanted symptoms and promoting health and well-being. But because dogs are not humans, you’ll want to purchase probiotics formulated specifically for dogs to ensure that you’re supplying the right types of bacteria for your dog’s health. That’s because there are many different strains of probiotics, and some strains are more beneficial for canine health. If your dog is currently experiencing diarrhea, read our post on what to give a dog with diarrhea.

We reviewed dozens of dog probiotics to identify the best of the best. We’ve rounded up the top-rated, effective probiotics for dogs based on feedback from Amazon.com reviewers, ingredients, colony-forming units (CFUs – a measure of the number of live bacteria in a product), costs, and other considerations to make it easy for you to find the perfect supplement for your beloved four-legged friend.

Our Vet's Top Pick
NomNomNow Probiotic Support Full Spectrum

A complete probiotic and prebiotic supplement to support your dog’s digestive health.

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While researching probiotics for dogs, NomNomNow’s Probiotic Support Full Spectrum emerged as a clear standout. With 20 billion CFUs and 7 full spectrum probiotic strains per serving, plus prebiotic fiber for added bacteria development, it’s an excellent choice to support your pup’s digestive health.

The 5 Top-Rated Dog Probiotics

Editor PicksBrandRating
Our Vet's Top PickNomNomNow’s Probiotic Support Full Spectrum n/a
Runner UpZesty Paws Probiotic Supplements for Dogs4.7
Best Budget BuyPetHonesty Probiotics for Dogs4.8
Best Probiotic Powder for DogsPurina Veterinary Diets FortiFlora Probiotic Supplement for Dogs4.6
Best Chewable Probiotics for DogsNutramax Proviable Health Supplement for Cats and Dogs4.6

*Ratings are from Amazon at the time of publication and can change

Our Vet’s Top Pick: NomNomNow Probiotic Support Full Spectrum

NomNomNow’s Probiotic Support Full Spectrum is a great supplement to help boost your dog’s overall wellness and health. This probiotic and prebiotic blend contains 20 billion CFUs and 7 full-spectrum probiotic strains per serving, including strains derived from healthy dogs. The probiotic is formulated by the NomNomNow veterinary nutrition and microbiology team. Made with human-grade ingredients at FDA-registered facilities under GMP guidelines, every batch is independently tested to ensure the integrity and high quality of the ingredients.

One bottle contains a 30-day supply. Feeding guidelines are the same for all dogs, regardless of size, and it’s safe for dogs 8 weeks and older. Simply mix one level scoop into your dog’s food once daily, reseal the bottle, and refrigerate to preserve optimal freshness.

NomNomNow Probiotic Support Full Spectrum Key Features:

  • Contains 20 billion cultures
  • Helps maintain normal digestive and immune function
  • Contains a prebiotic
  • Mix into food once daily

Our Runner Up Pick: Zesty Paws Probiotic Supplements for Dogs

Runner Up
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Zesty Paws Probiotic Supplements for Dogs

Zesty Paws Probiotic Supplements for Dogs will give your dog the boost he needs in his digestion without disrupting any routines.

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$25.97 USD

Help your dog feel at her best with Zesty Paws Probiotic Supplements for Dogs, delivered in a delicious soft chew that your dog can’t resist. And that yummy taste comes packed with probiotics and prebiotics for complete digestive support.

These chews are all made in FDA-registered, GMP-compliant facilities inside the United States, so you can be more confident in the freshness. And for a probiotic, freshness means effectiveness. After all, if it’s on a plane or boat for weeks after manufacturing, the active CFUs capable of reproducing their own colonies is probably less than advertised. Getting a probiotic that’s made right near your home is going to give you the best chance of the maximum CFUs.

There are over a thousand customer reviews for this supplement on Amazon and they’ve provided enough feedback to give it an overall rating of 4.7 stars. That’s plenty enough to have us convinced of its quality and we think it’ll sway you, as well.

Zesty Paws Probiotic Supplements for Dogs Key Features:

  • Great for dogs of all ages and sizes
  • 2 billion CFU per chew
  • 5 strains of probiotics and prebiotics

Best Budget Pick: PetHonesty Probiotics for Dogs

Best for Budget
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PetHonesty Probiotics for Dogs

PetHonesty Probiotics for Dogs is a chew that will fix your dog’s stomach issues without breaking your bank.

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$25.99 USD

The PetHonesty Probiotics for Dogs have a natural duck taste that is so good, your dogs will easily be convinced of its status as a treat, not a medicine. So you can buy this chew without having to wonder whether your dog will like it or how you’re going to be convincing him to eat it (or hide it).

There are no fillers in these chews, and that means no grains, no corn, soy, sugar, or preservatives. And more than that, it has no GMOs, either. It’s just 100% natural ingredients that give real results for your dog’s daily life. The manufacturer even donates 10% of their profits to charities that help combat learning disabilities and PTSD.

The best part, though has to be that this is at least a full month supply, even for those big dogs over 75 pounds. Quite often, those large breeds are expensive to give regular probiotics, needing three or four a day. For a smaller dog, under 25 pounds, this 90 chew bottle will give you a three month supply for your dog for less than $25, which is a huge steal! Taking in mind that this also has an overall rating of 4.8 stars on Amazon, this is a total steal.

PetHonesty Probiotics for Dogs Key Features:

  • 6 billion CFUs per serving
  • 90 soft chews
  • 4 lactobacillus strains

Best Probiotic Powder for Dogs: Purina Veterinary Diets FortiFlora Probiotic Supplement for Dogs

Best Probiotic Powder for Dogs
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Purina Veterinary Diets FortiFlora Probiotic Supplement for Dogs

You can easily give your pup the probiotics he needs by sneaking the powder of Purina Veterinary Diets FortiFlora Probiotic Supplement into his daily food.

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$29.99 USD

The Purina Veterinary Diets FortiFlora Probiotic Supplement for Dogs is a canine probiotic supplement that has a patent-pending formulation made by exclusively by Purina. In addition to probiotics, it contains antioxidants and other helpful ingredients.

These sachets of powder have an excellent palatability, which means your dog won’t mind the taste at all. You can sprinkle this over his food and the added taste will have him convinced you’ve actually added a treat. You can also buy a bit more and save on the 3 or 6 packs and if you really love the product, it’s even available for Amazon’s Subscribe and Save to make sure you never go without again.

With 4,600 customer reviews on Amazon and an overall rating of 4.6 stars, there’s a high probability that you’ll be one of the vast majority of satisfied customers.  After all, 92% of the people who’ve tried this product can’t be wrong.

Purina Veterinary Diets FortiFlora Probiotic Supplement for Dogs Key Features:

  • Special strain of probiotic proven to promote intestinal health and balance
  • Contains antioxidant Vitamins A, E, and C
  • Proprietary microencapsulation process for enhanced stability

Best Chewable Probiotics for Dogs: Nutramax Proviable Health Supplement for Cats and Dogs

Best Chewable Probiotics for Dogs
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Nutramax Proviable Health Supplement for Cats and Dogs

Nutramax Proviable Health Supplement for Cats and Dogs is a chewable probiotic that your dog will love.

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$38.99 USD

Nutramax Proviable Health Supplement for Cats and Dogs was once sold only through veterinarians, pet owners can now get their hands on this powerful health supplement for both dogs and cats through Amazon. There are 7 key species of micro-floral bacteria with multiple strains, a prebiotic, and 5 billion CFUs per capsule. That’s plenty enough to make sure your dog is getting the maximum benefit to the probiotic.

For short term use where your dog is suffering big imbalances, this capsule should be given in conjunction with Proviable-KP paste. For longer term use to maintain a healthy stomach and immune system, take as is prescribed with the instructions, one capsule daily. The box comes with 80 capsules, which is close to a 3-month supply, for about $40 and for extra savings, you can Subscribe and Save. You just open and sprinkle the capsule over your pet’s food to easily administer.

With nearly 1,000 customer reviews on Amazon and an overall rating of 4.6 stars, you have every reason to take the rating at face value. And with a rating that high, there’s more than enough to tempt us.

Nutramax Proviable Health Supplement for Cats and Dogs Key Features:

  • Helps to establish a healthy digestive balance
  • Can be used alone for long-term intestinal health support and balance
  • Contains multiple species and billions of beneficial microorganisms per daily administration

Who Should Buy a Dog Probiotic

You’ve probably heard about the benefits of probiotics for human health, but did you know that your dog can benefit from healthy gut flora, too? All animals have billions of healthy microbes – “good” bacteria and yeast – in their gastrointestinal system. These microbes play an important role in many physiological processes, from aiding in the digestion of food to bolstering the immune system, warding off potential pathogens, and more. Anyone, dog or human, can notice an overall boost in their digestion and “gut” health. You may see your dog acting more puppy-like and less senior because it can heal him in ways you didn’t even know he was suffering.

There is a much more useful prevention aspect when you give a dog a probiotic, though. Because a dog is much more likely to come into contact with E. coli, salmonella, or other harmful bacteria, having an immune system full of probiotics that prevent those harmful bacteria from reproducing is a wonderful step in protecting your dog. Arming your dog’s stomach with good bacteria to fight off the bad will go a long ways for his overall health. You could take a probiotic every day for years without this every actually coming into play because the food you eat is, by and large, safe. That isn’t always the case for dogs. After all, how many times has your dog defended your realm by killing the rabbits or birds in his yard?

It could also be especially beneficial to begin a regular dose of probiotics if you want to help your dog deal with some unwanted pains or discomforts. Of course, this means if he has noticeable problems with his bowel movements (one extreme or the other can be helped by a good probiotic). As we’ve mentioned several times, a probiotic does certainly help with intestinal issues and digestion, but inside the intestine resides the bulk of your dog’s immune system. That means you’ll be hard pressed to keep your pup healthy if his bacteria is out of wack. In fact, improving his immune system may help parts of his life you hadn’t considered. A good immune system will help with inflammation and skin irritation so if he has joint pain or itches and licks a lot, you may actually see an improvement to his movement or licking with a good probiotic.

Check out our review of the best dog foods for allergies for some quality limited-ingredient and grain-free options for dogs with food sensitivities.

Our Vet's Top Pick
NomNomNow Probiotic Support Full Spectrum

A complete probiotic and prebiotic supplement to support your dog’s digestive health.

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Important Features to Consider

A probiotic for dogs should have a few important features. Here’s what to consider when selecting a probiotic for your dog:

  • Probiotics vs. prebiotics. A probiotic is a good bacteria that can help your dog by fighting off bad bacteria and balancing his stomach. A prebiotic is basically food for the probiotics. Prebiotics will help keep the probiotics alive and kicking in the stomach and healthy enough to fight off that robust bad bacteria. Because dogs are often exposed to more aggressive harmful bacteria a prebiotic can help bolster the effectiveness of your dog’s probiotic.
  • Chews. Taste begins to play a big role for chews. It’s a useless addition to a dog’s diet if it’s not actually getting into his body. Chews have the added benefit of being used as a treat. Depending on your pup’s weight, your schedule, and the frequency of your treat distribution, you may not be able to give him the probiotic as a treat every time he does as he’s told. Check the instructions to make sure you’re not over dosing but even if he takes just one of these chews a day, it can still be given as a treat. As soon as you get home from work, for example, would be a great time to treat him for being good while you were away. Keep in mind, you’ll have to worry about the taste and chew-ability if you use them as treats. Your pup may be difficult to convince the “treat” status of this supplement if it tastes badly.
  • Powders. You can easily sneak a powder into most dog’s food without too much fuss from them and that’s a big selling point for a lot of doggy parents. They make a lot of beef or chicken flavored powders but if your dog likes his food as it is, we highly recommend the flavorless powders to prevent rocking the boat too hard, too soon. You know what they say about old dogs and new tricks and your dog may go on a hunger strike if he notices a big change to his food. If you must get a flavored kind, consider gradually working up to the full dose to make the transition easier for you both.
  • Syringes. Syringes aren’t injections like you may be fearing. They will give your dog a gel form of probiotic orally and will shoot into his mouth with such force he won’t have time to do anything but swallow it. This isn’t a method you can hide, but it could be the least struggle time overall. Your dog may not like it, but if he’s a well-behaved, obedient dog, he may just take this method like a champ and it’ll be over, from start to finish, in less than 30 seconds.
  • CFUs. CFU stands for a Colony Formed Units and it refers to the number of bacteria that are capable of dividing, reproducing, and creating their own colonies in each serving. (Note: Maybe you don’t pay close attention to all the sell by dates on your dog’s food, but you will want to pay attention on his probiotics. Over time, the number of CFUs will diminish.) There are some pretty impressive and absolute enormous numbers for CFUs; some can go up to thirteen digits. And while 100 billion is an impressive number, is it really bigger is better? The truth is, because you’re not going to “overdose” your dog in the strictest sense, you will probably never know if you’re giving him more than he needs. Any probiotic number will help, but there is a better chance of a more immediate change with the bigger numbers. The majority of dog probiotics will have around (or under) 10 billion CFUs and that will be enough to make a change in his digestion, to be sure. Just make sure you’re reading the CFUs per serving  not per container. Manufacturers like to list the biggest possible number in their marketing and will often push the big, impressive “1,000+ billion CFUs!” [in every bottle].
  • Additional nutrients. If you’re already adding something to your routine, it may be a great opportunity to incorporate other nutrients from which your dog can benefit. For example, you may be able to find a multi-vitamin of sorts that also includes a probiotic. It’s not incredibly common, mind you, because the bacteria inside the probiotic may not mesh well with other ingredients. The most likely addition you’ll have in these will be complementing digestive enzymes and prebiotics. Both will help the probiotic be more effective, and are a win.

Frequently Asked Questions

What is a dog probiotic? Is it different than human probiotics?

A probiotic is a type of bacteria that does not cause your (and your dog’s) body any harm and can in fact, protect your body against harmful bacteria. They’re naturally occurring but occasionally the body will become imbalanced and that will start to have some consequences. An imbalance can cause diarrhea, inflammation, breathing issues, irritated skin, and so much more. You can give these probiotics to your dog regularly without worrying about side effects and they come in a large enough variety of forms that there will undoubtedly be a method of taking it that will work for him. There are chews, oral injections, powders, and pills, so if you struggle to get your dog to take it one way, there are certainly others to try.

Probiotics for dogs are different from probiotics for humans, so you will want to be careful with what you give your dog. No studies exist on giving dogs human probiotics, so there’s no exact answer on whether it’s safe. In all likelihood, some human probiotics would be entirely safe for your dog, but the dosage is very difficult to determine yourself. Human probiotics do tend to be a bit less expensive but you risk a lot more than a few dollars by giving your dog the wrong supplement. Mostly, you’ll risk your time. Dog probiotics have dog-specific strains of flora that will work better with their stomachs with a higher acidity.

Can a dog overdose on probiotics?

No, a dog cannot, strictly speaking, overdose on probiotics. In fact, in 2009, the National Center for Biotechnology Information  (NCBI) published a study showing that dogs handled the probiotics well with no safety concerns. The bigger the CFUs, the better, generally speaking. However, there’s a good chance your dog will plateau with his benefits after a certain number. Which will be different for each dog and each specific condition you’re trying to “treat.” So you may be seeing the maximum benefits with a smaller number, and no additional benefits if you increase the CFU intake. You can experiment with this if you’d like, but to err on the side of caution: start big.

Do probiotics really work for dogs?

Probiotics absolutely can work for dogs. They can help a lot more than you may realize. But be logical; it’s not a miracle. In fact, it’s not a drug at all. If your dog has a specific and serious health concern, there’s a good chance your vet will have actual medication for him which only he can give. And those medications will probably treat your dog better than a probiotic. The probiotic can help for minor discomforts, but you will still need to talk to your vet.

That being said, if your dog has some inflammation, skin irritation, or digestive issues which your vet knows about and has said there’s not much else he can do, then a probiotic may be exactly what you need. And we know all too well how long a wait can be to get your dog into the vet. Because it’s safe to give to your dog, there’s no reason not to give the probiotic a try in the meantime and check with your vet as soon as is reasonably possible.

Can dogs take probiotics everyday?

Yes! Dogs can absolutely take a probiotic every day. The study the NCBI published in 2009 was conducted at the Procter & Gamble Pet Care Technical Center and tested the effects on dogs using probiotics for twelve consecutive weeks with absolutely no ill effects. They determined that was plenty long enough to discover if any side effects would occur and since none did, you can feel confident in your giving your dog a probiotic daily. In fact, building up a bit of a store of probiotics can help your dog’s body prevent more harmful bacteria from damaging their body as well as bolster his immune system, preventing disease, itching, and inflammation.

Other Dog Probiotics We Reviewed

Our Vet's Top Pick
NomNomNow Probiotic Support Full Spectrum

A complete probiotic and prebiotic supplement to support your dog’s digestive health.

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We looked at 45 other probiotics for dogs. Even though they didn’t make our 5 best dog probiotics list, they’re the best of the rest and each is still a great option for your dog. The information you’ll need to compare each one is included with the listing.

Powder Dog Probiotics

Pet Ultimates Probiotics for Dogs

Pet Ultimates Probiotics for Dogs

With 22 species of beneficial bacteria and 2 billion CFUs per scoop, this powder supplement is a powerful addition to your dog’s daily diet for promoting overall health and well-being.

Key Features:

  • 22 species
  • 2 billion CFUs/scoop
  • Contains inulin and an enzyme for gassiness
  • Manufactured in small batches to ensure freshness
  • 100% satisfaction guarantee

Cost: $36 for 137 grams

Agatha’s Apothecary Advanced Probiotic Powder

Agatha's Apothecary Advanced Probiotic Powder

With more than 45 billion CFUs per serving and 9 of the best probiotic strains for dogs, these capsules are the ideal supplement for your dog’s health. They’re easy to use, as well, with no refrigeration required. Simply pop open one of the easy-open capsules to sprinkle the tasteless, odorless powder on your dog’s food. Plus, they’re designed to survive your dog’s acidic digestive tract in order to deliver the highest therapeutic probiotic levels.

Key Features:

  • 45 billion CFUs per serving
  • 9 different beneficial probiotic strains for dogs
  • Contains a prebiotic
  • Sprinkle over dry food once daily
  • Shelf-stable; no refrigeration necessary

Cost: $45

Animal Essentials Plant Enzyme & Probiotics Supplement for Dogs and Cats

Animal Essentials Plant Enzyme & Probiotics Supplement for Dogs and Cats

This supplement is a combination of plant enzymes and probiotics, and it can be used for both dogs and cats. It aids in digestion and promotes the absorption of nutrients essential for your pet’s health.

Key Features:

  • Breaks down fats, carbohydrates, cellulose, and protein
  • Sprinkle over each meal
  • Promotes nutrient absorption

Cost: $15

Diarrice for Dogs

Diarrice for Dogs

This all-natural probiotic for dogs is a fast-acting formula targeting diarrhea and digestive upset. It’s a rice-plus-probiotic formula that’s easy for your dog to digest.

Key Features:

  • Contains 5 beneficial probiotics
  • Chicken and pumpkin flavor
  • Also contains a fast-acting prebiotic
  • Developed by a veterinarian
  • Formulated by pet food scientists

Cost: $50

Doggone Best Products Probiotics for Dogs

Doggone Best Products Probiotics for Dogs

Doggone Best Products Probiotics for Dogs is a powder formulation acidophilus supplement that’s made in the U.S.A. for reducing allergy symptoms, gastrointestinal upset, immune health, and more. Simply sprinkle this supplement on your dog’s food.

Key Features:

  • Gluten- and grain-free
  • 100% all-natural
  • No soy, sugar, or fillers
  • More than 1 billion pure, live active cultures
  • Tasteless and odorless

Cost: $30

Dr. Mercola Complete Probiotics Dietary Supplement for Pets

Dr. Mercola Complete Probiotics Dietary Supplement for Pets

If you’re into natural health, you’ve probably heard of Dr. Mercola. This probiotics supplement from Dr. Mercola is safe for both dogs and cats, and it provides at least 58 billion good bacteria in every serving (provided it’s used prior to the expiration date). If you’re looking to supplement your dog’s diet with digestive enzymes, too, Dr. Mercola also offers a Digestive Enzymes for Pets supplement.

Key Features:

  • 14 beneficial bacteria strains
  • 58 billion + healthy bacteria in each serving
  • Supports immune function
  • Promotes the removal of toxins from the body

Cost: $30

Elite Pet Nutrition Advanced Probiotic for Dogs

Elite Pet Nutrition Advanced Probiotic for Dogs

This veterinary-recommended supplement is all-natural, GMO- and gluten-free, and is made in a made in an approved Good Manufacturing Practice (GMP) facility. Plus, it’s been tested for safety and effectiveness.

Key Features:

  • No gluten, GMOs, soy, or dairy
  • Improves digestive health
  • Made in the U.S.A.
  • Veterinarian recommended
  • 1,250 billion CFUs per serving

Cost: $30

FERA Probiotics for Dogs and Cat Probiotics

FERA Probiotics for Dogs and Cat Probiotics

These probiotic powder is tasteless, so perfect for your pet. This probiotic supplement is all natural and contains no preservative, additives, wheat, corn, or soy – and it’s both gluten-free, dairy- free.

Key Features:

  • Veterinarian formulated
  • Made in the U.S.A.
  • Contains 5 billion CFUs and 11 live strains
  • Hypoallergenic
  • Tasteless powder

Cost: $20

iDash Pets Advanced Probiotics for Dogs and Cats

iDash Pets Advanced Probiotics for Dogs and Cats

This advanced probiotics formula for dogs and cats also contains prebiotics and Hawaiian kona berry, a nutrient-rich antioxidant that helps to naturally relieve pain caused by inflammation and also helps to relieve skin allergies.

Key Features:

  • Contains natural & organic calcium carbonate and prebiotic inulin
  • Manufactured in a GMP-certified and FDA inspected facility
  • Tasteless, odorless powder
  • 25 billion CFUs per jar
  • No refrigeration necessary
  • 5 pet-specific probiotic strains

Cost: $55

NaturVet Digestive Enzymes Plus Probiotic

NaturVet Digestive Enzymes Plus Probiotic

This powder formula is a great source of digestive enzymes and virtually tasteless so it’ll appeal to your dog, and it has probiotics that work to break down essential nutrients and support immune health, reduce digestive issues, and can even aid in repairing joint cartilage in elderly dogs.

Key Features:

  • Powder formula
  • A source of alpha-Amylase
  • Made in the U.S.A.
  • Produced in accordance with cGMP rules & regulations
  • 100% satisfaction guarantee

Cost: $15

NUSENTIA Probiotic Miracle Dog Probiotics for Dogs

NUSENTIA Probiotic Miracle Dog Probiotics for Dogs

This veterinarian-recommended probiotic supplement is formulated specifically for the dietary needs of dogs and cats. With more than 360 billion CFUs per jar, this quality probiotic blend is an ideal choice for dogs with digestive issues or those needing an immune boost.

Key Features:

  • Up to 360 doses per container
  • 360 billion CFUs per jar
  • Made in the U.S.A.
  • Gluten-free, non-GMO
  • No dairy, soy, or fillers
  • Odorless and flavorless
  • No byproducts

Cost: $40

NWC Naturals Total-Biotics Powder

NWC Naturals Total-Biotics Powder

Formulated with 14 species of beneficial probiotics for dogs and cats, NWC Naturals Total-Biotics Power is a powerful proprietary blend. Simply add one scoop per cup of any pet food, and let this supplement work its magic.

Key Features:

  • More than 1 billion CFUs at the time of manufacture
  • 14 species of probiotics
  • Live Enzyme Activated Delivery System (L.E.A.D.S.)
  • Patented stabilized glutamine

Cost: $35

Particular Paws Probiotics for Dogs and Cats Powder

Particular Paws Probiotics for Dogs and Cats Powder

This probiotic powder for digestive health is a powder formulation that’s safe for both dogs and cats. This supplement can help to relieve a variety of digestive issues such as diarrhea, irritable bowels, nausea, and more, and it’s useful for both chronic and acute digestive issues.

Key Features:

  • 250 billion L. Plantarum, L. Salivarius, and Bacillus Coagulans bacteria
  • 500 billion L. Acidophilus DDS-1 bacteria
  • Made in the U.S.A.
  • Made in a GMP-certified facility
  • No fillers, binders, byproducts, or harmful chemicals
  • 100% satisfaction guarantee

Cost: $35

Peppy Paws Best Probiotics for Dogs

Peppy Paws Best Probiotics for Dogs

Peppy Paws probiotics is an all natural probiotic for dogs. It’s a fast-acting formula that relieves digestive issues and helps with optimal immune health and disease prevention.

Key Features:

  • All natural
  • Fasting-acting supplement
  • Made in the U.S.A.
  • 12 probiotic strains
  • Contains 5 billion CFUs

Cost: $25

Petvi All Natural Probiotic

Petvi all natural probiotic

This probiotic supplement is derived from 100% natural sources, containing both probiotics and prebiotics that target your dog’s digestive health.

Key Features:

  • Omega 3 fatty acid
  • Added Glucosamine, Chondroitin Sulfate and Beta Carotene
  • Joint and hip support
  • Made in the U.S.A.

Cost: $30

Premo Probiotic for Dogs

Premo Probiotic for Dogs

Premo Probiotic’s products are third-party tested to ensure safety and effectiveness. They’re made in the U.S.A., in a GMP- and Natural Products Association (NPA)-certified facility, and the company offers a 100% satisfaction guarantee to back their products fully.

Key Features:

  • Powder can be added to water or food
  • 2 billion CFUs per serving
  • No GMOs
  • Tasteless
  • No wheat, dairy, or fillers
  • Pure probiotic and inulin formulation
  • 60-day money-back guarantee

Cost: $30

Pure Paw Nutrition Organic Probiotics

Pure Paw Nutrition Organic Probiotics

This probiotic supplement isn’t just a probiotic supplement; it also helps to prevent urinary tract infections and contains both prebiotics and digestive enzymes in addition to probiotics for optimal health.

Key Features:

  • Detoxifies & nourishes the digestive tract
  • Beef-flavor powder
  • DigeSEB Super Pet, a trademark blend of digestive enzymes made specifically for pet gut health
  • Prebiotics, probiotics, and digestive enzyme blend
  • Easy-to-serve powder

Cost: $25

TummyWorks Probiotic for Dogs & Cats

Finest For Pets TummyWorks Probiotic for Dogs & Cats

TummyWorks is a probiotic that’s safe for both dogs and cats, containing both probiotics and digestive enzymes to promote healthy digestion and boost immunity.

Key Features:

  • Tasteless powder
  • Mixes with your pet’s food
  • Easy to administer
  • Contains 10 probiotics
  • 2 billion CFUs per scoop
  • 6 digestive enzymes
  • Also contains a prebiotic

Cost: $25

UberAURA Premium Probiotics for Dogs

UberAURA Premium Probiotics for Dogs

Mix this powder with your dog’s wet food or sprinkle it over dry food to relieve digestive issues such as loose stools, diarrhea, gas, bloating, and irritable bowel syndrome (IBS). A blend of Acidophilus, Plantarum, Casei, Lactis, Bifidum, and Fermentum based in a powerful inulin prebiotic blend, this supplement offers comprehensive digestive and immune support.

Key Features:

  • 6 proven probiotic strains
  • Also contains a prebiotic
  • Hawaiian Kona Berry (Super Antioxidant)
  • Vitamins B1, B2, B6, C, Niacin, Iron, Potassium, Magnesium
  • 65 additional beneficial minerals
  • 100% satisfaction guarantee

Cost: $15

Vet One Advita Probiotic Nutritional Supplement for Dogs

Vet One Advita Probiotic Nutritional Supplement for Dogs

This probiotic powder also contains a prebiotic for complete digestive support for your beloved pup.

Key Features:

  • Multi-strain probiotics
  • 4 different live, active cultures
  • Prebiotic inulin
  • Micro-encapsulated for better stability

Cost: $20 for 30 1-gram packets

Vitapet Probiotic Powder Blend For Dogs and Cats

Vitapet Probiotic Powder Blend For Dogs and Cats

With 12 strains of helpful bacteria and 5 billion CFUs per serving, this is a powerful blend of probiotics in a delicious chicken and liver flavor that can be sprinkled on your pet’s food.

Key Features:

  • 12 probiotic strains
  • 5 billion CFUs/serving
  • Made in the U.S.A.
  • Manufactured according to FDA and GMP standards
  • Reduces bad bacteria
  • Strengthens liver / kidneys to help in removal of toxins

Cost: $30

Vetrinex Labs Probiotics for Dogs and Cats with Prebiotic

Vetrinex Labs Probiotics for Dogs and Cats with Prebiotic

With Vetrinex Labs Probiotics for Dogs and Cats, you can see a remarkable improvement in your pet’s health in just two weeks. Safe for both dogs and cats, this supplement contains 7 carefully-selected species that promote canine and feline health.

Key Features:

  • 3 billion CFUs
  • 7 species of live, beneficial bacteria
  • Added inulin
  • Tasteless, odorless powder
  • Grain-free, gluten-free, and soy-free
  • Non-dairy
  • No fillers
  • Made in the U.S.A.

Cost: $20

WetNozeHealth Probiotics for Dogs

WetNozeHealth Probiotics for Dogs

This maximum-strength dog probiotic offers relief from gas, bloating, diarrhea, constipation, and other unpleasant digestive symptoms that can impact your dog’s health and well-being.

Key Features:

  • 5 billion CFUs per scoop
  • Made in the U.S.A.
  • Made according to GMP guidelines
  • Keep refrigerated to maximize shelf life and potency

Cost: $25

Wholistic Pet Organics Digest-All Plus Supplement

Wholistic Pet Organics Digest-All Plus Supplement

This complete formula consists of prebiotics, probiotics, and digestive enzymes to target stomach problems and improve digestive health. Each 8-ounce jar contains powerful servings of potent probiotic powder.

Key Features:

  • Made in National Animal Supplement Council approved facilities
  • Made in the U.S.A.
  • No Soy, Wheat, Yeast, Corn, Cheese and Dairy

Cost: Est. $40

Dog Probiotic Pills, Gels, and More

Ark Naturals Gentle Digest for Dog & Cat

Ark Naturals Gentle Digest for Dog & Cat

Another probiotic that can be used for dogs and cats, the Ark Naturals Gentle Digest probiotic supplement includes both prebiotics and probiotics and promotes the growth of good bacteria in your pet’s digestive system.

Key Features:

  • Minimum of 100 million live spores per capsule at time of manufacture
  • Live microencapsulated spores resistant to gastric acid
  • Efficient delivery to your pet’s digestive tract
  • Supports digestion and absorption of critical nutrients
  • 1-3 capsules per day, depending on your pet’s weight
  • Intended for intermittent or occasional use only

Cost: $10

GNC Pets Ultra Mega Probiotic Formula Chewable Tablet

GNC Pets Ultra Mega Probiotic Formula Chewable Tablet

These savory beef chewable tablets are irresistible for dogs and contain both probiotics and prebiotics to support the growth of beneficial bacteria.

Key Features:

  • Advanced formula with 2 billion prebiotics
  • Chewable tablets
  • Savory beef flavor
  • Prebiotics and probiotics

Cost: $35 for 180 tablets

Hyperbiotics PRO-Pets Probiotics for Dogs and Cats

Hyperbiotics PRO-Pets Probiotics for Dogs and Cats

This probiotic supplement for dogs and cats is a time-release formula that’s easy to swallow. It contains 6 strains of probiotics and is said to be 15 times more effective than other probiotic supplements.

Key Features:

  • Probiotic organisms released over an 8-10 hour period
  • Natural, irresistible beef flavor
  • Tiny pearls can be hidden in food or treats if needed
  • Non-GMO
  • Lactose- and gluten-free
  • 3 billion CFUs

Cost: $20

InMotion Healthy Dog Treats Probiotic Jerky

InMotion Healthy Dog Treats Probiotic Jerky

If you find it difficult to get your dog to take pills or supplements, why not give him probiotics in the form of jerky? This is an all-natural, nutrient-rich chicken jerky snack no dog can refuse.

Key Features:

  • 5 strains of probiotic bacteria
  • 5 billion CFUs for each of the 5 strains (25 billion CFUs total)
  • Made in the U.S.A.
  • Natural low-fat, USDA chicken
  • Antioxidant rich, non-GMO sweet potatoes

Cost: $25

Nature DOGZYMES Canine Probiotic Paste for Dogs

Nature DOGZYMES Canine Probiotic Paste for Dogs

If your dog is very ill and not eating, she may refuse even the most delicious-smelling treats. For a quick fix for diarrhea, upset stomach, and loss of appetite, this paste contains probiotics and digestive enzymes. Rather than add it to your dog’s food, you can administer it by mouth.

Key Features:

  • Oral paste
  • Made from organic and human grade ingredients
  • No refrigeration required
  • Good for a quick-fix or emergencies

Cost: $15

Pet Ag Bene-Bac Plus Probiotic Pet Gel

Pet Ag Bene-Bac Plus Probiotic Pet Gel

This probiotic supplement may look intimidating, as it’s a gel formulation packaged into syringes, but it’s actually easily digestible to speed delivery and provide an instant energy boost for your dog.

Key Features:

  • Contains 7 live-culture beneficial bacteria
  • Boosts your pet’s immune system
  • Gel formulation
  • Safety-sealed
  • 1-year date-code guarantee

Cost: $50

Vetri-Science Mega Probiotic Dog & Cat Supplement

Vetri-Science Mega Probiotic Dog & Cat Supplement

This non-dairy probiotic formulation is ideal for dogs (and cats, too) with sensitive stomachs. With 8 different probiotic strains from non-dairy sources, your dog will get complete digestive support with this daily supplement.

Key Features:

  • 5 billion CFU/capsule
  • 8 different probiotic strains
  • Supports digestive tract health
  • Veterinarian-approved

Cost: $25

Chewable Dog Probiotics

Amazing Nutritionals Probiotics

Amazing Nutritionals Probiotics

These chewable tablets are designed all types of dog breeds – small or large. It contains added digestive enzymes and also relieves joint pain. If your dog is a poop-eater, this is a must-have supplement that can reduce those undesirable behaviors.

Key Features:

  • Concentrated formula of 9 bacterial strains
  • Made in the U.S.A.
  • 7 billion CFU probiotic supplement
  • Money back guarantee
  • Tasteless and odorless
  • Made in a GMP Organic Certified Facility

Cost: $30

Deley Naturals Probiotics for Dogs

Deley Naturals Probiotics for Dogs

Containing 6 digestive enzymes and 4 billion CFUs, these 100% natural supplements can help reduce your dog’s allergy symptoms, alleviate bad breath, and reduce digestive symptoms such as diarrhea, gas, and constipation.

Key Features:

  • Restores digestive health with a blend of 6 digestive enzymes
  • 4 billion CFUs
  • 120 soft chews
  • 4 grams per chew
  • Hassle-free refund policy

Cost: $30

H3 Essentials – Probiotics for Dogs

H3 Essentials – Probiotics for Dogs

This probiotic supplement is packaged like a treat, with 60 delicious, chicken-flavored chews your dog will accept enthusiastically. As they contain Ganeden BC30, a spore-forming strain, they’ll last up to 10 times longer than a traditional yogurt culture, giving them a long shelf life.

Key Features:

  • Natural coprophagia deterrent (the urge to consume feces)
  • Independent lab-tested formula
  • Regulated by the FDA, USDA, and FSIS
  • Promotes healthy digestion
  • No refrigeration required
  • Helps to prevent urinary tract infections
  • Boosts your dog’s energy

Cost: $18 for 60 chews

K9 Pro Best Probiotics For Dogs

K9 Pro Best Probiotics For Dogs

Soft, moist, and delicious, these probiotic chews are difficult for dogs to refuse. They contain 6 probiotic strains and 7 billion CFUs, and they’re packed with other helpful ingredients to improve your dog’s skin and coat and overall health.

Key Features:

  • Contains Cranberry Seed Oil for Omega 3, D-Mannose, and Grapefruit Seed Extract
  • 6 probiotic strains
  • 7 billion CFUs
  • Made in the U.S.A.

Cost: $30

NaturVet Digestive Enzymes Plus Probiotic for Dogs

NaturVet Digestive Enzymes Plus Probiotic for Dogs

With probiotics and digestive enzymes, this supplement helps to break down food to promote optimal utilization of nutrients. These soft chews are great for transitioning to a different food and for dogs with sensitive stomachs or flatulence.

Key Features:

  • A source of alpha-Amylase which can hydrolyze starch
  • A source of protease which can hydrolyze proteins
  • A source of cellulase which can break down cellulose
  • A source of lipase which can hydrolyze triglycerides
  • Wheat-free
  • Made in the U.S.A.
  • Made in an FDA-audited, cGMP-compliant facility
  • 100% satisfaction guarantee

Cost: $15

NutraPet Probiotics for Dogs Chewable

NutraPet Probiotics for Dogs Chewable

If your dog has smelly gas, NutraPet Probiotics for Dogs might be just the remedy you’re looking for. It has twice the CFUs compared to many probiotics supplements, plus three additional probiotic strains beneficial for your pet. Made with real chicken liver, your dog will think these supplements are a treat.

Key Features:

  • Grain- and gluten-free
  • Vitamins A, B12, and Biotin
  • Lasts up to 4 months
  • More than 3 beneficial probiotic strains for dogs
  • Money-back guarantee

Cost: $25

NUSENTIA MiracleZyme Probiotics for Dogs

NUSENTIA MiracleZyme Probiotics for Dogs

Nusentia’s MiracleZyme is a 100% natural supplement for dogs and cats. This chewable supplement contains no GMOs or gluten and is recommended by veterinarians.

Key Features:

  • 90 chewable tablets
  • GMP-certified
  • Non-GMO
  • No byproducts
  • Gluten-free
  • 100% natural

Cost: $30

NutraZeta Premium Probiotics for Dogs

NutraZeta Premium Probiotics for Dogs

This proprietary blend of 6 digestive enzymes will help to relieve gas, diarrhea, upset stomach, bad breath, and more – all issues that can be caused by ‘bad’ bacteria in your dog’s digestive tract. NutraZeta’s Premium Probiotics for Dogs will help to restore balance and promote health.

Key Features:

  • 6 essential digestive enzymes
  • 4 billion CFUs per 2 chews
  • Made using a special no-heat process to preserve bacteria viability
  • No refrigeration necessary
  • 100% satisfaction guarantee

Cost: $22 for 90 soft chews

Paw Choice Probiotics for Dogs with Prebiotics

Paw Choice Probiotics for Dogs with Prebiotics

These daily probiotic chews are made in the U.S.A. in a facility that follows Good Manufacturing Practices. All ingredients are required to have a Certificate of Analysis and are tested again upon arriving at the facility to ensure safety and potency. Plus, the facility is regularly audited by the National Animal Supplement Council (NASC) and passes all inspections.

Key Features:

  • Duck-flavored soft chews
  • Patented probiotic strain
  • Use daily to maintain a healthy GI tract
  • Produces digestive enzymes for maximum nutrient absorption
  • No wheat, corn, or artificial ingredients
  • 30-day money-back guarantee

Cost: $20

Pet Naturals of Vermont Daily Digest For Dogs

Pet Naturals of Vermont Daily Digest For Dogs

If your dog suffers from environmental allergies or breed-specific digestive issues, the Pet Naturals of Vermont Daily Digest for Dogs is the perfect daily supplement to promote digestive health and give your dog’s immune system a natural boost.

Key Features:

  • Promotes a healthy coat and digestive regularity
  • Duck-flavored chews
  • Made in the U.S.A.
  • Distributed from the Green Mountains of Vermont
  • No wheat, corn, or artificial ingredients

Cost: $15

PetVitalityPRO Probiotics for Dogs with Natural Digestive Enzymes

PetVitalityPRO Probiotics for Dogs

This probiotic is so tasty you’ll be able to pass it as a reward for good behavior and you’ll give, depending on your pup’s weight anywhere from one to four chews daily.

Key Features:

  • Choice of 60 or 150 soft chews
  • 60 day money back guarantee
  • Made in USA

Cost: $20

Power to Your Pet Premium All Natural Probiotic & Prebiotic Soft Chewable for Dogs

Power to Your Pet Premium All Natural Probiotic & Prebiotic Soft Chewable for Dogs

These soft, chewable supplements aid in digestion, reduce gas and bloating, and alleviate diarrhea to bring your dog much-needed digestive comfort. With a perfect 5-star rating in more than 50 reviews, this supplement gets results, according to reviewers.

Key Features:

  • Prebiotic and probiotic blend
  • Complete digestive support
  • Made in the U.S.A.
  • Made in a GMP-certified facility
  • 1 billion CFU/chew
  • Satisfaction guaranteed

Cost: $25

Primo Pup Vet Health Digestion Aid Probiotics

Primo Pup Vet Health Digestion Aid Probiotics

This optimal blend of 3 probiotic strains supports digestion and immunity to improve your dog’s health from the inside out. Plus, your dog will love the liver-flavored soft chews.

Key Features:

  • Made in the U.S.A.
  • Veterinarian-formulated and recommended
  • 3 probiotic strains
  • Certified by the National Animal Supplement Council
  • 100% money-back, 30-day guarantee

Cost: $20

Vet’s Best Probiotic Soft Chews Dog Supplements

Vet's Best Probiotic Soft Chews Dog Supplements

Support proper digestive health with these daily soft chewable tablets that promote digestive balance. With more than 6 strains of bacteria and 1.5 billion CFU, this is a powerful supplement that supports your dog’s health.

Key Features:

  • OptiLife3 formula (antioxidants and prebiotics)
  • Veterinarian-formulated and recommended
  • High level of bioavailability for optimal absorption and uptake
  • Patented technology remains stable until it reaches the digestive tract

Cost: $15

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