7 Best Synbiotics for Dogs [2024] (2024)

7 Best Synbiotics for Dogs [2024] (1)iHeartDogs is reader-supported. When you buy via links on our site, we may earn an affiliate commission at no extra cost to you.

Synbiotics for dogs are gaining popularity as an effective and natural way to promote overall health in our furry companions. This revolutionary approach combines the power of probiotics and prebiotics, enhancing gut health and strengthening the immune system. In this article, we delve into the science behind synbiotics, their potential benefits, and how to select the right synbiotic product for your canine friend. Join us as we explore the world of synbiotics, and learn how this innovative solution can contribute to your dog’s well-being and support them in living a happier, healthier life.

Our 7 Favorite Synbiotics for Dogs

There are many good synbiotic products for dogs, but below are our 7 favorite options to help you narrow down your search.

1. iHeartDogs 3-in-1 Synbiotic (Prebiotic, Probiotic & Digestive Enzyme) Dog Chews

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What we love most about our top choice is the fact that is packs 3 products for the price of one: prebiotics, probiotics, and digestive enzymes. These supplements can reduce digestive issues like runny poop and flatulence, boost your dog’s immune system, and help their body absorb nutrients better.

These probiotics come in the form of soft chews that your dog will think are treats. Each chew contains key ingredients like pumpkin, papaya, and dried Bacillus coagulans, all of which can help with your dog’s tummy troubles. Your dog will feel good as new when taking these USA-made probiotics. Plus, every bag purchased provides 12 healthy meals for dogs in need.


  • Packed with prebiotics, probiotics, and digestive enzymes
  • Soft, easy-to-serve chews
  • Improves your dog’s digestion, immune system, and energy
  • Every purchase provides meals for shelter dogs
  • 3 billion CFU per chew

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2. PetHonesty Digestive Probiotic with Prebiotics Soft Chews

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These soft chews have lots of probiotics and enzymes, which can assist with digestive health, immune support, and nutrient absorption. It includes seven probiotic strains, a multi-enzyme blend, and pumpkin. Dogs who take these chews regularly have firmer stools and can heal from wounds and sicknesses faster. Their overall health and mood will likely improve as well.

To enhance the flavor, the formula includes duck, sweet potato, carrots, and flaxseed instead of fillers. So, the chews will be healthy and tasty, and most dogs will be excited to eat them. There’s also a formula without duck in case dogs are uninterested in or allergic to that protein. This product is made in the USA following strict safety standards.


  • Packed with probiotics, enzymes, and pumpkin
  • Assists with digestive health, immune support, and nutrient absorption
  • Tasty formula for picky eaters
  • Soft easy-to-serve chews
  • Multiple flavors available
  • 6 billion CFU

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3. Honest Paws Pre+Probiotics Supplement

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The Honest Paws Probiotics come in tubes of powder that you can sprinkle on your dog’s food. They’re chicken-flavored, so most dogs will happily gobble the powder up. The formula contains several probiotics and other health-boosting ingredients, including inulin, Bacillus subtilis, and Bacillus coagulans, that can help your pup maintain a healthy gut, boost their immune system, and reduce allergy symptoms.

When your dog takes this supplement, you may notice less itching, hair loss, urinary tract infections, gas, and diarrhea. As a bonus, their mood may improve. This product won the NASC Visibility Award in 2022, so you can feel confident serving it to your furry friend. The supplements are lab-tested, GMO-free, and made in the USA.


  • Good for dogs with allergies
  • Maintains a healthy gut and improves the immune system
  • Soft easy-to-serve chews
  • Won the NASC Visibility Award in 2022
  • 5 billion CFU per serving

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4. Nusentia Prebiotics & Probiotics for Dogs

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Nusentia’s probiotic supplements come in a powder form with a scoop included. The formula contains both prebiotics and live probiotics to help your dog with tummy troubles, itchy skin, bad breath, and overall well-being. The powder doesn’t include gluten, dairy, grains, fillers, or by-products, so it’s a good choice for dogs with allergies.

The powder is odorless, so you can sprinkle it on your dog’s food without them noticing, making it an ideal option for picky eaters. Each jar contains 360 scoops, so even large dogs can get lots of servings out of it. The food is made and quality-tested in the USA. Many vets have been recommending this brand for over 11 years.


  • Odorless powder
  • Improves digestion, reduces itching, and battles bad breath
  • Good for dogs with allergies
  • Lots of scoops in each container
  • 1 billion CFU per scoop

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5. NomNom Full Spectrum Pre-biotics & Pro-biotic Support

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NomNom is a famous fresh dog food company, but they also sell beneficial supplements. Their probiotic supplement comes in a powder form, so you can scoop it out and mix it with your dog’s food daily. Like NomNom’s food, the supplements are formulated by their veterinary nutrition and microbiology team. The product is made in the USA and is suitable for any dog over eight weeks old.

The formula contains a blend of seven probiotics, along with some prebiotics. It’s designed to improve digestion, nutrient absorption, immune function, and the microbiome. After regularly taking the supplement, your dog should feel healthier and more active overall. While it’s used on NomNom’s fresh dog food in its advertisem*nts, it can work well on any type of dog food. Plus, it has more CFUs than most probiotics for dogs.


  • Packed with probiotics and prebiotics
  • Powder mixes with food
  • Improves digestion, nutrient absorption, and immune function
  • Formulated by veterinarians
  • 20 billion CFU per serving

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6. Nutramax Proviable Digestive Health Supplement with Prebiotics & Probiotics

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Veterinarians formulated these probiotic supplements using high-quality ingredients, so you can feel safe giving them to your dog. This product is often recommended by vets as well. The tablets contain seven key probiotic strains that are paired with prebiotics. Each supplement is a capsule filled with powder, so you may need to hide it in a pill pocket to get your pup to eat it.

These supplements are designed to support intestinal and digestive health, especially if issues are caused due to stress. They can tackle health issues like diarrhea and flatulence, and they may also reduce joint pain. Nutramax has been in the pet industry for over 30 years, and its probiotics can benefit dogs of all sizes and ages, even dogs with sensitive stomachs.


  • Formulated and recommended by vets
  • Comes in a capsule
  • Supports intestinal, digestive, and joint health
  • Packed with key probiotic strains and prebiotics
  • 5 billion CFU per serving

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7. The Native Pet Pre+Probiotic

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This vet-formulated probiotic provides complete gut health and digestive wellness for your furry friend. The prebiotics and probiotics in this product can improve sensitive stomachs, stress, and long-term health. It’s a powder supplement that can be sprinkled onto your dog’s meals to serve. Most dogs will happily gobble up the beef-flavored powder, so it can also function as a topper for picky dogs.

The Native Pet Probiotic only includes four ingredients: dehydrated beef broth, organic pumpkin seed, organic inulin, and a probiotic blend. With a short ingredient list, you’ll know exactly what’s going into your dog’s tummy, making it an excellent choice for dogs with allergies. By giving your dog this powder regularly, your dog’s body will become an excellent environment for healthy flora.


  • Tasty powder form
  • Only four ingredients
  • Helps with digestive issues related to sensitivities and stress
  • Formulated by veterinarians
  • 6 billion CFU per scoop

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Frequently Asked Questions About Synbiotics for Dogs

What are synbiotics for dogs?

Synbiotics for dogs are dietary supplements that combine probiotics (beneficial live microorganisms) and prebiotics (non-digestible fibers that feed these microorganisms) to promote gut health, support the immune system, and enhance overall well-being.

How do synbiotics work in dogs?

Synbiotics work by providing a balanced environment in the dog’s gut, promoting the growth of beneficial bacteria, and inhibiting the growth of harmful bacteria. The probiotics help maintain gut flora, while the prebiotics serve as a food source for the probiotics.

Are synbiotics safe for dogs?

Synbiotics are generally considered safe for dogs, with minimal side effects. However, it is crucial to consult your veterinarian before introducing synbiotics to your dog’s diet and follow the recommended dosage to ensure safety and effectiveness.

Can synbiotics help with my dog’s digestive issues?

Synbiotics can potentially alleviate digestive issues in dogs by maintaining gut health, improving nutrient absorption, and reducing inflammation. However, it is essential to consult a veterinarian for a proper diagnosis and treatment plan tailored to your dog’s specific needs.

How do I choose the right synbiotic product for my dog?

Look for reputable brands with transparent ingredient lists and quality certifications. Choose a product formulated specifically for dogs, considering factors such as age, weight, and dietary requirements. Consult your veterinarian for personalized recommendations.

How long does it take for synbiotics to show results in dogs?

The time it takes for synbiotics to show results may vary depending on your dog’s individual needs and the specific product. Generally, improvements in gut health and overall well-being may be observed within a few weeks, but it is essential to maintain consistent use for optimal benefits.

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In conclusion, synbiotics for dogs offer a promising and holistic approach to maintaining and improving canine health. By synergistically combining the benefits of probiotics and prebiotics, synbiotics can enhance gut health, support the immune system, and promote overall well-being. As responsible pet owners, it is essential to stay informed about the latest advancements in pet care and choose products that suit your dog’s individual needs. With proper research and consultation with a veterinarian, synbiotics can be an excellent addition to your dog’s diet, ultimately paving the way for a healthier, happier, and more vibrant life.

iHeartDogs is reader-supported. When you buy via links on our site, we may earn an affiliate commission at no extra cost to you.

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7 Best Synbiotics for Dogs [2024] (2024)


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