Dogster is reader-supported. When you buy via links on our site, we may earn a commission at no cost to you. Learn more.

Dog Nutrition

Probiotics for Dogs: Vet-Reviewed Benefits, Risks & Considerations

Codee Chessher
By Codee Chessher · Reviewed & fact-checked by Dr. Lauren DemosVet Approved
Dr. Lauren Demos
Reviewed & Fact-Checked byDr. Lauren DemosDVM (Veterinarian)
As a veterinarian, Lauren is happy to share her rich experience in emergency medicine and cats, with our readers. She enjoys sharing helpful, real life tips for having pets as part of your life, and what to do in critical situations.View authorThe information is current and up-to-date in accordance with the latest veterinarian research. Learn more
Updated on June 17, 2026
Share
Sick dog Jack Russell Terrier dog waiting get pill from hand of owner

You probably know that probiotics are good for your gut health and may have seen them advertised on yogurt. As a dog owner, however, did you know that probiotics can also be beneficial for your dog’s digestive health? It’s true! There isn’t a lot of detailed research available on the topic, but preliminary results suggest probiotics can have multiple tangible health benefits for your pooch.

Dogster divider_v2_NEW_MAY_24_

What Are Probiotics?

Probiotics are beneficial bacteria or microorganisms that live in the stomach and intestinal tract. These microbes are considered beneficial because they have desirable effects on stomach health, including canceling out harmful bacteria, fighting disease, creating nutrients in the body, and promoting a more harmonious gut. Certain yogurt, cheese, and pickles are a few examples of foods that contain probiotics.

Image by: Lee waranyu, Shutterstock

Benefits of Probiotics for Dogs

Above, we said that probiotics can be good for your dog’s stomach, but what exactly does that mean? What do they do? It’s a fair question and more open-ended than you might think. Research on probiotics is fairly light, and even more so when it comes to probiotics for our canine companions. We do have a pretty good idea of some things they can do, however! Let’s check out some benefits your dog could receive by taking probiotics.

Health Benefits of Probiotics for Dogs:

  • Aids digestion and reduces upset stomachs
  • Reduces diarrhea
  • Boosts the immune system
  • May improve stress and anxiety
  • Decreases bad bacteria in the gut

Anecdotal reports tout other benefits like enhanced skin and coat health, but it’s unclear whether that’s backed by science yet. If you see a probiotic that makes fantastic claims, it’s best to be a little wary and call a vet to see what they think of the product in question.

Dogster divider_v2_NEW_MAY_24_

How Are Probiotics Given?

There are a few ways in which probiotics are offered to our pets. They include:

  • Powders
  • Capsules
  • Chews
  • Dog foods
  • Yogurt of kefir containing live cultures

Note that not all yogurt cultures are the same. Some may be used simply to manufacture the product but are not actually considered probiotics. If you choose to offer probiotics via yogurt after approval from your vet, only offer unsweetened, plain yogurt to them and avoid all artificial sweeteners, such as xylitol, which is toxic to dogs.

These types of products are most helpful when they contain the bacteria that are naturally found in your dog’s gut.

Does My Dog Need Probiotics?

Many dogs can benefit from a probiotic supplement or plain yogurt on occasion, but how do you know if that’s your dog? So many health products make spurious claims that it’s hard to tell if probiotics can really make a difference for your dog. Thankfully, there are some signs that your dog could benefit from a probiotic.

Your Dog May Need Probiotics If:

  • They have frequent diarrhea
  • They experience an upset stomach often
  • They have foul-smelling stool
  • They have an irregular need to go potty

These problems often indicate a gastrointestinal problem that can be traced back, in part, to an imbalanced stomach microbiome. Giving your dog probiotics could help balance things out, so to speak, and get their gastrointestinal system running like clockwork. It’s always worth talking to your vet about whether probiotics could be a possible solution to your dog’s stomach troubles, as there may be another underlying cause to blame that probiotics alone won’t fix.

Image by: Creative Cat Studio, Shutterstock

Potential Side Effects of Probiotics for Dogs

Just as important as benefits when discussing probiotics are the potential drawbacks. Probiotics have some seriously useful benefits, but they can affect dogs differently. Some dogs take them and experience profound relief, while others experience some negative side effects along the way before relief comes their way. These are uncommon but may include gas or worsened diarrhea, amongst others.

dogster face divider

Frequently Asked Questions (FAQ)

Are There Any Adverse Effects if My Dog Stops Taking Probiotics?

Maybe. It’s possible that your dog’s original stomach problem could reoccur if the probiotic was helping. We always recommend asking a vet their opinion on whether probiotics are viable long-term for your dog’s digestive health.

Can Dogs Take Probiotics Intended for Humans?

You might be surprised to learn that probiotics are species-exclusive, though your dog can reap some benefits by taking the same probiotics you do. That doesn’t mean they should, though. Dogs have a different stomach microbiome than we do, and while we both benefit from some probiotics, products made for dogs are generally healthier for them.

How Long Do Probiotics Take to Work for Dogs?

Probiotics can take days to weeks to have a noticeable effect because they have to proliferate in the stomach and form a healthy colony to make a difference in the stomach microbiome. Some products can have an effect within just a few days, while other products can take a month or more to work.

Dogster divider_v2_NEW_MAY_24_

Conclusion

Probiotics can make a huge difference for some dogs suffering constipation, diarrhea, or other stomach problems. It’s also hard to gauge exactly how much of a difference they’ll make or what types of side effects can pop up. Like any other major health concerns, we urge you to contact your vet about whether probiotics could be right for your dog.

Sources

Featured Image Credit: Liudmyla Guniavaia, Shutterstock

Want content like this delivered to you?

News, insights, expert advice, and everything dog

Codee Chessher
Authored by

Codee Chessher

Guide to Probiotics for Dogs: What They Do & How to Choose

Guide to Probiotics for Dogs: What They Do & How to Choose

Probiotics can offer a wide variety of potential benefits for dogs when given consistently as part of a daily routine. Depending on the supplement, probiotics…

Dogster Team
By Dogster Team · 1 day ago
Enterococcus Faecium for Dogs: Benefits & Side Effects (Vet Answer)

Enterococcus Faecium for Dogs: Benefits & Side Effects (Vet Answer)

You’ve probably heard about the health benefits of including probiotics in our diet, like improved digestion and strengthened immunity, but how many of you hav…

Nicole Cosgrove
By Nicole Cosgrove · 2 weeks ago
Prebiotics for Dogs: Our Vet Explains Uses & Potential Side Effects

Prebiotics for Dogs: Our Vet Explains Uses & Potential Side Effects

All of us want a healthy digestive tract, both for ourselves and our dogs. Nowadays, what we consume and what our dogs consume is an important part of our over…

Dr. Kim Podlecki
By Dr. Kim Podlecki · 3 days ago
Gut Health Support For Dogs: How PetLabCo.’s Probiotics Chews Can Help

Gut Health Support For Dogs: How PetLabCo.’s Probiotics Chews Can Help

Like humans, dogs have a gut microbiome that plays an important role in their overall health and well-being. When your dog’s gut bacteria become unbalanced, th…

Nicole Cosgrove
By Nicole Cosgrove · 1 day ago
June 29, 2026

Can Dogs Eat Yogurt? Vet-Verified Nutrition Facts & FAQ

Yogurt is one of the rare treats that blends a delicious flavor with potential health benefits. If you're a diehard fan of the tasty dairy delight, you’ve prob…

Nicole Cosgrove
By Nicole Cosgrove
Can Dogs Eat Yogurt? Vet-Verified Nutrition Facts & FAQ
June 29, 2026

Can Dogs Eat Greek Yogurt? Vet-Verified Nutrition Facts & FAQ

Dogs are known for wanting whatever their human has, and if you are a dog owner, you will know what we are referring to! No matter what is on your plate, your…

Nicole Cosgrove
By Nicole Cosgrove
Can Dogs Eat Greek Yogurt? Vet-Verified Nutrition Facts & FAQ
June 17, 2026

Spirulina for Dogs: Vet-Reviewed Benefits, Uses & Tips

Everyone has heard of the benefits of plant-based foods, and this way of eating has become more popular among people in the last two decades. Spirulina is a su…

Keri-Beth Clur
By Keri-Beth Clur
Spirulina for Dogs: Vet-Reviewed Benefits, Uses & Tips
June 17, 2026

Benefits of Goat’s Milk for Dogs: 5 Incredible Health Perks

Every proud dog owner knows the key to a healthy and happy pup is a balanced and nutritious diet. One lesser-known but great dietary option for your furry frie…

Nicole Cosgrove
By Nicole Cosgrove
Benefits of Goat’s Milk for Dogs: 5 Incredible Health Perks
June 29, 2026

Can Dogs Eat Ginger? Vet-Verified Benefits, Risks & FAQ

Ginger has long been used for everything from cooking and flavoring to being added to medicines. The benefits of ginger have been documented and proven effecti…

Kathryn Copeland
By Kathryn Copeland
Can Dogs Eat Ginger? Vet-Verified Benefits, Risks & FAQ
June 17, 2026

Goat’s Milk for Dogs: Vet Reviewed Benefits, Uses & More

Many people add milk to cereal or use it in a favorite cake recipe. For dog owners, a splash of cow’s milk is a common treat for their canine companions. Howev…

Nicole Cosgrove
By Nicole Cosgrove
Goat’s Milk for Dogs: Vet Reviewed Benefits, Uses & More
June 29, 2026

Apple Cider Vinegar for Dogs: Vet-Approved Uses, Safety & Effectiveness

Apple cider vinegar and home remedies are extremely popular right now, and for good reason. They’re usually affordable, and some have actually been proven to w…

Cassidy Sutton
By Cassidy Sutton
Apple Cider Vinegar for Dogs: Vet-Approved Uses, Safety & Effectiveness
June 17, 2026

Thyme for Dogs: Our Vet Explains Potential Benefits, Uses & Risks

Thyme (Thymus vulgaris) is a popular spice that many people keep in their homes. You can even grow it in the garden or indoors to have a fresh herb to use in y…

Dr. Luqman Javed
By Dr. Luqman Javed
Thyme for Dogs: Our Vet Explains Potential Benefits, Uses & Risks

Love Dogs? So Do We! Join the Dogster Community

Stay informed with expert pet care insights delivered straight to your inbox! Discover professional guidance on animal behavior, feeding tips, trusted product picks, and much more.

You may opt-out at any time. View our Privacy Policy for more information.

The Dogster app on a phone