PetLab Co. Reviews 2026: Are These Probiotic Chews & Supplements Worth It for Your Dog?

Meta Description: Read our honest PetLab Co. review covering probiotic chews, joint care, dental formula, and allergy relief. See what real customers say before you buy. (158 characters)


Introduction: The Moment I Realized My Dog Needed More Than Just Love

It was 2:00 AM, and I was lying on the cold kitchen floor with my 11-year-old Labrador, Max. His joints were stiff, his breath could knock out a horse, and he’d been scratching his paws raw for weeks. I’d spent hundreds at the vet, tried countless “miracle” supplements, and felt like I was failing my best friend.

That’s when I stumbled across PetLab Co.

Like most pet parents, I was skeptical. Another pet supplement company making big promises? But after digging into petlab co reviews, reading ingredient labels, and eventually testing their products on Max myself, I discovered something surprising: PetLab Co. isn’t just another flashy brand. It’s a company built on a heartbreaking story, real science, and a genuine mission to help dogs live better lives.

In this comprehensive PetLab Co. review, I’ll walk you through everything you need to know—from the petlab co probiotic chew to joint care, dental formula, and allergy relief. By the end, you’ll know exactly whether the PetLab Co. is right for your furry family member.


What Is PetLab Co.? The Story Behind the Brand

PetLab Co. was founded in 2021 by Chris Masanto and Damian, two friends who shared a deep love for animals—and a painful wake-up call.

Chris’s dog lived to 17 years old, but spent her last four years struggling with arthritic pain. The guilt haunted him: Could I have done more? That question became the driving force behind the pet lab company.

Today, PetLab Co. has grown into a global brand serving over 4 million pet parents across the world. With more than 11,000 reviews on Trustpilot and a “Great” rating of 3.8/5, they’ve built serious momentum in the pet wellness space.

“PetLab Co. is an important venture for me, for an unfortunately heartbreaking reason. I felt a lot of guilt around whether I could have done more in terms of supplementation to support her properly.” — Chris Masanto, Co-Founder & CEO

The company formulates all products in the UK and manufactures them in the USA. They hold NASC certification and follow GMP (Good Manufacturing Practices) standards—meaning what’s on the label is actually in the container.


PetLab Co. Product Line: A Complete Breakdown

PetLab Co. offers a targeted range of supplements designed to address specific health concerns. Here’s what they offer:

🦴 PetLab Co. Joint Care Chews

If you have a senior dog or an active breed prone to joint issues, this is likely where you’ll start.

Key Ingredients:

  • Glucosamine HCL – supports cartilage health

  • Green Lipped Mussels – natural source of omega-3s and chondroitin

  • Turmeric (Curcugen®) – natural anti-inflammatory

  • Salmon Oil – rich in omega fatty acids

  • Calcium Fructoborate – supports bone health

What Customers Say:

“I’ve been giving my dogs this for many years now and it’s been a massive help to the arthritis in their joints. Highly recommended.” 

“My doggo had very very bad leg joint problems couldn’t walk at times, fall over, mood change… A very good joint product.” 

The Fine Print: PetLab Co. offers a 60-day, 100% money-back guarantee on Joint Care Chews. That’s confidence.


🧬 PetLab Co. Probiotic Chews

This is their bestseller—and for good reason. The petlab co probiotic chew is designed to support gut health, immune function, and even seasonal allergies.

Key Ingredients:

  • 3 billion CFU of spore-forming probiotics: Bacillus coagulans, B. clausii, B. subtilis

  • Prebiotic fibers (FOS and GOS) – food for good bacteria

  • Postbiotics – yeast-based compounds that support gut health

Why Spore-Forming Probiotics Matter: Unlike many probiotics that get destroyed by stomach acid, these spore-forming strains survive the journey to the gut where they can actually do their job.

What Customers Say:

“I have been using probiotic chews for over 2 years. I have a healthy dog. No vomiting, diarrhea, or scratching.” 

“Our black lab Tilly now has a healthier gut and coat. She hasn’t had issues with her ears since she started taking the probiotic.” 

Results Timeline: Some dogs see benefits within the first month, while others show best results from months 2 and 3 onward.


🦷 PetLab Co. Dental Formula

Dental health is one of the most overlooked areas of dog care. PetLab Co. addresses this with two main products:

ProBright® Advanced (Dental Powder):

  • Brown algae – supports tartar breakdown

  • Sodium hexametaphosphate – targets plaque buildup

  • Probiotics – supports oral microbiome

  • Green tea & rosemary – natural breath fresheners

Dental Water Additive:

  • Colorless and odorless liquid added to your dog’s water bowl

What Customers Say:

“Within a week, his teeth were noticeably whiter and his breath fresher.” 

“It is colorless and odorless and my dog drinks it in his water without issue.” 

Award-Winning: PetLab Co. won “Dog Dental Care Product of the Year” in the 2024 Pet Innovation Awards.


🌿 PetLab Co. Allergy & Immune Chews

Seasonal allergies affect millions of dogs. These chews are formulated to support immune function and help maintain a normal response to environmental triggers.

Key Benefits:

  • Supports normal immune function

  • May help with seasonal allergy signs like paw licking and scratching

  • Supports skin and coat health

What Customers Say:

“My dog’s allergies used to flare up every spring. Now, he’s no longer constantly scratching or chewing his paws.” 

“My girl’s coat is looking amazing, and she’s not biting at her skin anymore. This has been such a relief for both of us.” 


PetLab Co. Reviews: What Real Customers Are Saying

The Good (What Customers Love)

Category Customer Feedback
Effectiveness 85% of subscribers see results within 3 months
Palatability Dogs love the pork-flavored soft chews, even picky eaters
Ease of Use Simple once-daily routine
Customer Service Helpful and responsive support team
Quality NASC-certified, made in USA

The Bad (Common Complaints)

No brand is perfect. Here’s what some customers have experienced:

  1. Subscription Issues – Some customers report unexpected charges or difficulty canceling subscriptions

  2. Price – Multiple reviewers note the products are “pricey”

  3. Shipping Errors – Occasional issues with receiving wrong sizes

  4. Digestive Reactions – A small number of dogs experienced diarrhea

The Bottom Line on Reviews

With over 11,000 reviews on Trustpilot and a 4.5-star rating on RealReviews.io, PetLab Co. has far more satisfied customers than unhappy ones.

“The company’s pretty good, especially their customer service reps. They’re really helpful when needed. The supplements seem helpful too.” 


PetLab Co. vs. Competitors: How Does It Stack Up?

Feature PetLab Co. Competitors (General)
Science-Backed Double-blind, placebo-controlled studies Often lacks clinical trials
Spore-Forming Probiotics Yes (3 billion CFU) Rarely
NASC Certified Yes Not always
Money-Back Guarantee 60 days on Joint Care Often 30 days or less
Customer Base 4M+ pet parents Varies widely
Price Point Premium Budget to premium

The Verdict: PetLab Co. sits at the premium end of the market, but the science-backed formulations and quality certifications justify the cost for many pet parents.


Expert Insights: What the Vets Say

Vetstreet conducted an independent review of PetLab Co. products and highlighted several key points:

  • PetLab Co. collaborates with veterinary professionals

  • Products use premium ingredients and are rigorously tested

  • The brand has earned industry recognition for quality commitment

  • Products are NASC-certified and NSF GMP-certified

“Pet parents deserve transparency and trust in a brand when it comes to products that support the health of their furry family members.” 

The Vet Desk also reviewed ProBright® Advanced, noting noticeable improvements in symptoms and “death breath” after a month of use.


Hidden Facts About PetLab Co. You Probably Didn’t Know

  1. The CTO is a Dog – Co-founder Damian’s dog Zeeko is officially the “Chief Tasting Officer”

  2. They Conduct Clinical Studies – PetLab Co. performs double-blind, placebo-controlled studies on their formulations

  3. Global Reach – They’ve impacted over 300,000 dogs worldwide

  4. UK Roots – All products are formulated in the UK

  5. Member of UK Pet Food – Reflecting commitment to quality and industry standards


Key Insights: Important Takeaways

✅ Science Matters: PetLab Co. invests in actual research, not just marketing hype. Their spore-forming probiotics and clinical studies set them apart.

✅ Start with One Product: Don’t buy everything at once. Identify your dog’s primary concern and start there.

✅ Be Patient: Most dogs show results within 1-3 months of consistent use.

✅ Watch for Reactions: While rare, some dogs experience digestive upset. Start with a smaller dose if concerned.

✅ Read the Fine Print: Pay attention to subscription terms to avoid unexpected charges.

✅ Money-Back Guarantee: Take advantage of the 60-day guarantee on Joint Care Chews if you’re not satisfied.


Where to Buy PetLab Co.

You can purchase directly from thepetlabco.com for the best selection and official guarantees. PetLab Co. is also available on:

  • Amazon – Look for petlab co amazon listings

  • Chewy – Select products available

  • Walmart – Some products sold through third-party sellers

Pro Tip: Buying directly from the PetLab Co. website often gives you access to discounts, subscriptions, and the full money-back guarantee.


Frequently Asked Questions

1. Are PetLab Co. products safe for my dog?

Yes. PetLab Co. products are NASC-certified and manufactured in the USA following GMP standards. However, always consult your veterinarian before starting any new supplement, especially if your dog has underlying health conditions.

2. How long does it take for PetLab Co. probiotic chews to work?

Some dogs see benefits within the first month, while others show best results from months 2 and 3 onward. For occasional loose stools, improvement may be seen within 90 days of consistent use.

3. What are the ingredients in PetLab Co. probiotic chews?

Each chew contains 3 billion CFU of spore-forming probiotics (Bacillus coagulans, B. clausii, B. subtilis), prebiotic FOS and GOS fibers, and a postbiotic yeast blend.

4. Does PetLab Co. offer a money-back guarantee?

Yes. PetLab Co. offers a 60-day, 100% money-back guarantee on Joint Care Chews. Other products are covered by a standard 30-day return policy.

5. Where is PetLab Co. located?

PetLab Co. is headquartered in London, England with 51-200 employees. Products are formulated in the UK and manufactured in the USA.

6. Are PetLab Co. products available in stores?

While primarily a direct-to-consumer brand, you can find select PetLab Co. products on Amazon, Chewy, and Walmart marketplace. For the full range, visit thepetlabco.com.

7. What is PetLab Co.’s customer service phone number?

US customers can call 1-866-473-8522 or email help@thepetlabco.com.

8. Does PetLab Co. have a subscription option?

Yes. PetLab Co. offers subscription plans that can save you money and ensure you never run out of your dog’s supplements. Just be aware of the terms to avoid unexpected charges.

9. Can PetLab Co. products help with dog allergies?

The Allergy & Immune Chews are specifically formulated to support normal immune function and may help with seasonal allergy signs like paw licking and scratching.

10. Is PetLab Co. legit?

Yes. With over 4 million customers11,000+ Trustpilot reviews, NASC certification, and industry awards, PetLab Co. is a legitimate and established pet supplement brand.


Final Verdict: Is PetLab Co. Worth It?

After testing PetLab Co. products on my own dog, digging through hundreds of petlab co reviews, and analyzing the science behind their formulations, here’s my honest take:

PetLab Co. is a legitimate, science-backed pet supplement brand that delivers on its promises for the majority of users. The petlab probiotic chews and joint care chews are standout products with strong customer satisfaction.

Who It’s For:

  • Pet parents willing to invest in premium-quality supplements

  • Dogs with joint issues, digestive problems, or seasonal allergies

  • Owners who value science-backed formulations

Who Should Look Elsewhere:

  • Budget-conscious pet parents (these are premium-priced)

  • Those who prefer single-product purchases over subscriptions

The Bottom Line: If you’re tired of wasting money on supplements that don’t work and you’re ready to invest in your dog’s health, PetLab Co. is absolutely worth considering. Just start with one product, be patient, and take advantage of that money-back guarantee if you’re not satisfied.

Because our dogs deserve nothing less than the best.

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