
Probiotic support for your dog's everyday wellbeing
Made in the USA
Made using domestic and globally sourced ingredients.
Thoughtfully formulated
A probiotic chew formulated to support your dog's digestive wellness.
Extensive research and development
PetLabCo.® worked closely with experts to design a prebiotic and probiotic blend to meet the most pressing gut health issues dogs face today.
Seasonal allergy support
By promoting a healthy gut microbiome and immune function, our dog gut health supplement can support your pup’s response to seasonal allergies.
2 - YTD 2026 (as of May 2026) PetLabCo.® Probiotic Chew is #1 selling Probiotic Soft Chew in the Dog Probiotics Supplements Category on Amazon

Vet-reviewed formula
“An excellent tool to help balance your dog’s gut for healthy digestion & skin.”
US DVM, Vet Consultant to PetLabCo.®
Research-backed active ingredients
Cutting-edge science, unmatched quality
We stay at the forefront of pet health by combining the latest scientific research with expert insights. Every formula is carefully crafted to deliver high-quality ingredients for pet well-being.
Clinically studied¹
Backed by a clinical study to demonstrate effectiveness
Reviewed by vets
Formulated with nutritionists and health experts
Third-party tested
Rigorously tested for quality and potency
Trusted by pet parents
PetLabCo. is trusted by pet parents around the world
Daily directions for use for optimal results
Small
Under 25 lbs
Medium
25 - 75 lbs
Large
Over 75 lbs
Take your dog’s health & comfort to the next level
What to expect
86% of customers using our best-selling probiotics are seeing results after 90 days1
Month 1
Good bacteria get to work! Probiotics, prebiotics, and postbiotics start supporting healthy gut flora and normal digestive function.
Month 2
More comfortable digestive function! Expect healthy stool consistency, less occasional bloating, and better immune function.
Month 3
See real results! Healthy yeast levels and a stronger gut contributes to less paw licking, occasional; itching and discomfort.
Don’t just take our word for it
Real customers review PetLabCo.®’s probiotics for dogs4
”He’s been on these probiotics for 2 months now and we’ve seen absolutely dramatic changes. He seems to be enjoying life a whole lot more.”
Bane's Dad
"A little over 2 months in, we’re already noticing a change in Nala. She’s not licking at her paws all day long or itching her ears as much. She’s happy, running around with our kids and playing with toys. I’m glad we came across PetLabCo.®, it’s been great for our dog!"
Nala’s mom
Frequently asked questions
What do probiotics do for dogs?
What do probiotics do for dogs?
Probiotics are live strains of healthy bacteria that help dogs maintain normal digestive function and support overall gut and immune health. Giving dogs daily probiotic supplements may normalize bowel movements, provide support for occasional loose stools, and even help dogs dealing with seasonal allergy discomfort.
What probiotic strains are in PetLabCo.®’s Probiotic Chews?
What probiotic strains are in PetLabCo.®’s Probiotic Chews?
PetLabCo.®’s Probiotic Chews contain a proprietary blend of prebiotics and probiotics. The active ingredients include:
- Bacillus coagulans
- B. clausii
- B. subtilis
- Fructooligosaccharides (FOS)
- Galactooligosaccharides (GOS)
- A synergistic postbiotic blend of yeast (Saccharomyces cerevisiae, Cyberlindnera jadinii)
What flavor are the PetLabCo.® Probiotic Chews?
What flavor are the PetLabCo.® Probiotic Chews?
Our probiotic supplements are pork-flavored, making them a delicious reward that appeals to a wide range of canine tastes and preferences.
How long does it take for probiotics to work in dogs?
How long does it take for probiotics to work in dogs?
The time it takes for a dog to experience the benefits of probiotic supplements will vary and may depend on a dog’s age, breed, genetics, health, and overall lifestyle. It is generally suggested that dogs take a supplement according to package instruction for 60-90 days to see the full benefits take effect.
In an internal feedback survey of pet parents with a Probiotic Chew subscription, 84 percent of respondents saw expected results after 3 months of daily use.
How long should a dog be on probiotics?
How long should a dog be on probiotics?
Consult with your veterinarian if you’re wondering how long to keep your dog on a particular supplement. Many probiotics for dogs – like PetLabCo.® Probiotic Chews — are suitable for daily use according to package instructions and can be given to dogs as part of their lifelong wellness regimen. They are also particularly helpful during and after antibiotic treatments, during periods of stress, after dietary changes, or when your dog exhibits signs of occasional digestive discomfort. Your veterinarian can guide you based on your dog’s specific needs.
What time of day should I give my dog probiotics?
What time of day should I give my dog probiotics?
If a time of day is not specified in the directions for use, you can generally give your dog probiotics when it is most convenient for you. Some pet parents prefer giving dogs probiotics first thing in the morning when a dog’s stomach is less acidic. Others choose to give probiotics with meals to minimize the likelihood of digestive upset. You can also ask your veterinarian for a recommendation.
How are PetLabCo.®’s Probiotic Chews different from probiotic powders for dogs?
How are PetLabCo.®’s Probiotic Chews different from probiotic powders for dogs?
Our probiotics for dogs come in a convenient, no-mess soft chew. In comparison to powders, these yummy, pork-flavored chews can be given directly, eliminating the need for mixing or measuring. Dogs eagerly look forward to the taste.
Can puppies have PetLabCo.®’s Probiotic Chews?
Can puppies have PetLabCo.®’s Probiotic Chews?
These probiotic soft chews are suitable for dogs and puppies of all breeds and sizes, 12 weeks and older.
What happens if my dog has too many Probiotic Chews?
What happens if my dog has too many Probiotic Chews?
If you accidentally give your dog too many chews, contact your veterinarian. If you’re unsure how many soft chews to give your dog, please see the Directions for Use at the top of the page.
Are the Probiotic Chews safe for cats?
Are the Probiotic Chews safe for cats?
The PetLabCo.® Probiotic Soft Chews are formulated to benefit dogs and should not be given to cats. If you are looking for something to support your feline’s gut health, our newly launchedCat Probioticis a great option!






