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What’s In PetLab Co. Products? A Vet Looks At Ingredients & Benefits

Wondering what ingredients are in PetLab Co. products, and what the benefits may be? You’re not alone; pet parents are becoming increasingly selective when choosing supportive products like allergy & immune chews, dental powders, or joint care chews for their beloved pups – not just any product will do. In this article, I take a […]

9 min read·Updated: Jul 21, 2025
What’s In PetLab Co. Products? A Vet Looks At Ingredients & Benefits

Wondering what ingredients are in PetLab Co. products, and what the benefits may be? You’re not alone; pet parents are becoming increasingly selective when choosing supportive products like allergy & immune chews, dental powders, or joint care chews for their beloved pups – not just any product will do.

In this article, I take a look at PetLab Co. ingredients, potential benefits, and the formulas for their bestselling products, so that you can make an informed choice for your pup. 

Table of Contents: What’s in PetLab Co. Products?

PetLab Co. Ingredients, Formulation & Benefits

As one of America’s most talked-about pet care brands, PetLab Co. is often scrutinized for the quality and reliability of its products. We know from information on the PetLab Co. website that their products are formulated by nutritionists and crafted using rigorously studied, scientifically supported ingredients. But how does PetLab Co. ensure that quality is upheld at every stage of development?

That’s where the PetLab Co. Scientific Advisory Board, comprising scientists, veterinarians, and statisticians, comes in – these experts oversee development to ensure compliance. Each product is vet-reviewed, and the company as a whole is certified by the National Animal Supplement Council, providing pet parents with additional reassurance that PetLab Co. has passed a comprehensive third-party audit and maintains ongoing compliance with rigorous NASC quality standards.

That all sounds great, and it’s clear that thousands of pet owners across the country are big fans of PetLab Co. considering all the positive customer reviews, but how can you tell exactly what’s in each PetLab Co. product and whether a particular product will be suitable for your individual dog’s needs?

Thankfully, PetLab Co. is fully committed to transparency and publishes full ingredient lists for each of their products. 

Here’s a closer look at the ingredients, formulation and benefits of PetLab Co.’s bestselling products, and a note on the suitability of these products for dogs of different ages and sizes.

PetLab Co.'s Probright Advanced on counter surrounded by ingredients

PetLab Co.’s Probiotic Chews: Ingredients, Formulation & Benefits

Good gut health is as essential for dogs as it is for people. The gut microbiome is the environment in which billions of beneficial microorganisms (bacteria, fungi, and viruses) live, helping with digestion and nutrient absorption. A healthy gut microbiome is good news for the rest of the body.

PetLab Co’s Probiotic Chews are made with a proprietary blend of three spore-forming probiotics: Bacillus coagulans, B. clausii, and B. subtilis, which help maintain healthy gut flora while supporting the immune system and providing digestive support. 

The nutritionist-formulated soft chew also includes a synergistic yeast blend postbiotic (Saccharomyces cerevisiae, Cyberlindnera jadinii), that helps maintain healthy gut microflora and supports healthy immune function. 

The included prebiotics—Fructooligosaccharides (FOS) and Galactooligosaccharides (GOS) —promote the growth of beneficial bacteria and help maintain normal digestive function, thereby helping to normalize bowel movements, stool consistency, and digestive function.

Here’s a full rundown of the Active ingredients in each 4g PetLab Co. Probiotic Chew PorkSalmon Flavor Health Supplement:

Active Ingredients Per PetLab Co. Probiotic Soft chew (4 g):
Active Ingredient Quantity per Soft Chew Function
A Proprietary Blend of Probiotics(Bacillus coagulans, B. clausii, B. subtilis)3 Billion CFUProbiotic
Total Prebiotics Fructooligosaccharides (FOS)Galactooligosaccharides (GOS)200 mg
100 mgPrebiotic
100 mgPrebiotic
A Synergistic Postbiotic Blend of Yeast (Saccharomyces cerevisiae, Cyberlindnera jadinii)75 mgPostbiotic

Inactive ingredients include: Apple Cider Vinegar, Coconut Glycerin, Coconut Oil, Dried Brewer’s Yeast, Hickory Smoke Flavor, Lecithin, Maltodextrin, Rosemary Extract, Salmon Hydrolysate, Sunflower Oil, Sweet Potato.

Why try this product?

Together, the active ingredients in these bestselling soft chews support gut health in several ways, helping to maintain healthy gut flora, support the immune system and provide digestive support.  The use of high-quality ingredients is encouraging for pet owners who want to know their pups are enjoying the best possible care at home. 

If your dog has digestive discomfort, occasional loose stools, or is showing signs of seasonal allergies, then offering them this tasty soft chew could help support their overall well-being.

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PetLab Co.’s ProBright® Advanced: Ingredients, Formulation & Benefits

According to scientific research, nearly 80% of dogs will develop dental issues (affecting the teeth and gums) by age 3. Fortunately, maintaining a regular dental care routine can help promote overall health and wellbeing. 

Dental care products are available for pet parents to maintain their pets’ oral health between professional veterinary dental cleanings.

ProBright® Advanced Dog Dental Powder is PetLab Co.’s bestselling nutritionist and veterinarian-formulated product. It is formulated to help minimise the buildup of tartar and target bad breath, and it should be used in conjunction with regular toothbrushing and dental checkups.

ProBright® Advanced is a dental powder that is given using the included scoop. Be mindful that it is not a treat: it should be used according to the label’s instructions as part of your dog’s dental care routine.

Here’s a full rundown of the active ingredients per scoop of PetLab Co.’s ProBright® Advanced dental powder:

Active Ingredients Per: 
Quantity Per ScoopLittle Scoop (0.75g)Big Scoop (1.5g)1.5g2g3gPer Scoop (_g)
Active IngredientXSSMLUnit
Patent-Pending Proprietary Probiotic Blend (Pediococcus pentosaceus, Lactiplantibacillus plantarum)112.5 Million 225 Million 450 Million 750 Million 1.2 BillionCFU
Brown Algae(Ascophyllumnodosum)82.51653308501510mg
Sodium Hexametaphosphate14.52958100125mg
Rosemary Leaf Extract1020406879mg
Green Tea (Decaffeinated)1.152.34.68.29.3mg

Inactive ingredients: Calcium Bentonite, Dried Brewer’s Yeast, Hydrolyzed Chicken Liver Flavor, Spinach Powder.

Why try this product?

Together, the active ingredients in PetLab Co.’s ProBright® Advanced powder for dogs help target tartar build-up, especially in hard-to-reach places that toothbrushes may struggle to reach. The formulation is suitable for daily use, making it a good option for pups with bad breath or yellowing teeth.

It’s really important to read the directions for use carefully before giving your dog ProBright® Advanced dental powder and to ensure that you’re giving your dog the right size scoop according to their size and weight. You can give ProBright® Advanced to dogs aged 12+ weeks. I recommend speaking with your vet before adding this, or any other dog care product, to your pup’s regular routine.

Joint Care Chews: Dog Joint Supplement for Mobility

PetLab Co.’s Joint Care Chews help support healthy joints, flexibility and enhanced exercise tolerance in young pups, working dogs and older dogs. 

PetLab Co.’s proprietary joint-support complex, formulated using powerhouse ingredients like MMP-50™ Green Lipped Mussels, Curcugen, Anchovy Oil, and glucosamine HCI.  Together, these ingredients can help with occasional discomfort and stiffness, supporting joint health and helping to maintain mobility. 

Here’s a full rundown of the active ingredients in PetLab Co.’s Joint Care Chews:

AdministrationPer Soft Chew (4g)
Active IngredientQuantity per servingUnitFunction
Glucosamine HCI (Shellfish)900mgCan help maintain cartilage structure
MMP-50™ (Green Lipped Mussel)200mgSupports a healthy inflammatory response
Omega-3 (Anchovy Oil) EPADHA52.7925.2517.28mgCan contribute to healthy joints
Source of EPA & DHA
Calcium Fructoborate70mgCan support mobility
Curcugen®50mgAntioxidant

Inactive ingredients: Apple Cider Vinegar, Chickpea, Coconut Glycerin, Coconut Oil, Hickory Smoke Flavor, Lecithin, Pork Liver, Rosemary Extract, Sunflower Oil, Sweet Potato.

Why try this product?

If your dog is experiencing occasional stiffening joints due to daily activity and exercise, then these soft chews can help maintain tissue pliability and joint fluid viscosity, promoting comfort and physicality in daily activities. They have been formulated to help your dog feel comfortable while enjoying a happy, healthy and active lifestyle.

Before trying PetLab Co.’s Joint Care Chews it’s recommended to speak to your veterinarian to ensure suitability.

PetLab Co.’s Allergy & Immune Chews: Ingredients, Formulation & Benefits

Dogs with seasonal allergies are prone to occasional discomfort – you might see them licking their paws, or shaking their head a lot. PetLab Co.’s Allergy & Immune Chews may help support a normal immune response to environmental allergens like pollen or grass, and are expertly formulated to promote a healthy skin and coat.

These soft chews are tailored to small, medium and large dogs – no matter the size of your dog, you just need to give them one soft chew a day to help keep occasional allergies at bay. This can support improved energy and comfort levels, thanks to a unique blend of probiotics, prebiotics, and immune-supporting ingredients.

Here’s a full rundown of the active ingredients in PetLab Co.’s Allergy & Immune Chews:

Administration 3g4g6gPer Soft Chew (_g)
Active IngredientQuantity per administration unitUnitFunction
SML
A proprietary Blend of (Bacilius coagulans, B. clausii, B. subtilis)123Billion CFUProbiotic
Colostrum (Bovine)3507001050mgImmune support 
Fructooligosaccharides (FOS)100200300mgPrebiotic
Galactooligosaccharides (GOS)100200300mgPrebiotic
Omega-3 (Krill Oil)EPADHA14.4
7.2
1.8
28.8
14.4
3.6
43.2
21.6
5.4
mgAntioxidant
Borage OilTotal Omega Fatty Acids88
58.53
176
117.06
264
175.59
mgAntioxidant
Synergistic YeastPostbiotic Blend of (Saccharomyces cerevisiae, Cyberlindnera jadinii)75150225mgPostbiotic
Vitamin E (a-Tocopherylacetate)3.38 (7.5)6.75
(15)
10.13(22.5)mg (IU)Antioxidant

Inactive ingredients: Apple Cider Vinegar, Chickpea, Coconut Glycerin, Coconut Oil, Hickory Smoke Flavor, Lecithin, Maltodextrin, Pork Liver, Rosemary Extract, Sunflower Oil, Sweet Potato.

Conclusion: Are PetLab Co. Products Well-Formulated & Trustworthy? 

In short, yes. PetLab Co. prioritizes quality at every step. Each product is carefully formulated with input from nutrition experts, vet-reviewed, and manufactured in the USA with high-quality ingredients sourced both globally and domestically. Bestsellers like PetLab Co.’s Probiotic Chews, Joint Care Chews, ProBright® Advanced, and Allergy & Immune Chews may be a suitable addition to your dog’s daily routine.

JoAnna Pendergrass, DVMJ
Written by

JoAnna Pendergrass, DVM

JoAnna Pendergrass, DVM, is a veterinarian and freelance medical writer. As the founder and owner of JPen Communications, JoAnna is passionate about working with companies like PetLab Co. to educate pet parents and empower them to make informed health decisions for their pets. Since 2016, she has written hundreds of articles on a variety of topics in pet care, including behavior, wellness, and nutrition. In her free time, JoAnna enjoys playing the viola, baking, and seeing the world through the eyes of her fearless toddler.

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© 2025 PetLab Co.

The information contained within this site is not intended as a substitute for professional medical or veterinary advice. PetLab Co. is not intended to diagnose, treat, cure or prevent any disease. If your pet has, or you suspect your pet has any medical condition, you are urged to consult your veterinarian. Medical conditions can only be diagnosed by a licensed veterinarian. These statements have not been evaluated by the Food and Drug Administration. Results May Vary. Not intended for human consumption. Please consult your veterinarian regarding any change in treatment or supplementation.
*In Amazon Pet Health Category in 2022
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