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

PetLabCo. products are formulated with targeted ingredient blends designed to support different areas of canine health. Products are designed to support (not treat or cure) common concerns like digestive balance, oral hygiene, mobility, and seasonal sensitivities.

Across the range, key ingredients in PetLabCo. products include probiotics, prebiotics and postbiotics, as well as a range of supportive ingredients, such as Glucosamine HCI, Colostrum (Bovine), Vitamin E (a-Tocopherylacetate), Brown Algae (Ascophyllumnodosum) and Sodium Hexametaphosphate.

Full ingredients lists can be found on the product labels of individual PetLabCo. products, and on the product pages available at thepetlabco.com.

Key Takeaways: PetLabCo. Product Ingredients

• PetLabCo. products are science-backed and expert formulated using high quality locally and globally sourced ingredients.
• PetLabCo. Products are manufactured in the USA with domestic and globally sourced ingredients to high quality standards – PetLabCo. is a NASC Certified company. 
• Across the PetLabCo. range, key ingredients include probiotics, prebiotics and postbiotics, as well as supportive ingredients, such as Glucosamine HCI, Colostrum (Bovine), Vitamin E (a-Tocopherylacetate), Brown Algae (Ascophyllumnodosum) and Sodium Hexametaphosphate.
• PetLabCo. provides transparent product labelling across the entire range, with product ingredient information available on product labels, and on the individual product pages found at thepetlabco.com.
• Certain PetLabCo. products, including Probiotic Chew and Allergy & Immune Chew, are available in tailored and non-tailored variants. When purchasing the tailored version of the product, you select the tub that is most appropriate for your dog’s weight. When purchasing the non-tailored version, you give the correct quantity according to their weight, by following the usage instructions on the tub.
• Many pet owners find these products easy to incorporate into a daily routine – they are designed to be easy to give, and to be enjoyable for your dog. 
• If you are unsure whether PetLabCo. products or ingredients are right for your pet, speak to your veterinarian about the right approach for your pet.

Veterinary insight:

In this article, I will take a look at PetLabCo. ingredients, potential benefits, and the formulas for their best selling products, so that you can make an informed choice for your pup. This includes a detailed look at the formulation and usage guidance of:

• PetLabCo. Probiotic Chews (non-tailored)
• PetLabCo. Probiotic Chews (tailored)
• PetLabCo. ProBright® Advanced 
• PetLabCo. Joint Care Chew Advanced
• PetLabCo. Allergy & Immune Chews 

For full ingredient information across the entire PetLabCo. Product range, you can visit the PetLabCo. website.

Important note: The information provided in this article relates to PetLabCo. products sold in North America and is based on guidance available at the time of publication (March 30, 2026).

Introduction to PetLabCo.

Specializing in products that promote digestive health, immune balance, and skin health, PetLabCo. is dedicated to helping pet parents support their dogs’ wellbeing from the inside out. Their flagship PetLabCo. Probiotic Chews are crafted to nurture a healthy gut microbiome, harnessing the power of beneficial bacteria to support overall health and well-being. 

With a focus on using only premium-quality ingredients and maintaining strict manufacturing standards in the USA, PetLabCo. has earned the trust of pet owners nationwide. 

Whether you’re looking to help support your dog’s normal immune response, digestive health, stool consistency, or energy levels, PetLabCo. offers a range of pet supplements designed to fit seamlessly into your dog’s daily routine.

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PetLabCo. Ingredients, Formulation & Benefits

PetLabCo. products are formulated by experts and crafted using rigorously studied, scientifically supported ingredients. The PetLabCo. Scientific Advisory Board, comprising scientists, veterinarians, and statisticians, offers guidance on aspects ofoversees product development and quality. 

Each PetLabCo. 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 PetLabCo. has passed a comprehensive third-party audit and maintains ongoing compliance with rigorous NASC quality standards.

Pet owners can tell exactly what’s in each PetLabCo. product, as full ingredient lists are published on the website, and provided on the products themselves. 

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

PetLabCo.’s Probiotic Chews: Ingredients, Formulation & Benefits

Important note: When purchasing a standard size tub of PetLabCo Probiotic Chews, you should give the product according to dog size and weight, as per the provided instructions. You can also purchase PetLabCo. Probiotic Chews in a tailored tub size, according to your dog’s particular weight. This makes administration even easier.

Key Ingredients & Potential Benefits: PetLabCo. Probiotic Chews (standard tub)

• Each 4 g PetLabCo. Probiotic Chew contains 3 billion CFUs of spore-forming probiotics: Bacillus coagulans, B. clausii, and B. subtilis, to help maintain healthy gut flora while supporting the immune system and providing digestive support. 
• A synergistic yeast blend postbiotic (Saccharomyces cerevisiae, Cyberlindnera jadinii) helps maintain healthy gut microflora and supports healthy immune function. 
• Fructooligosaccharides (FOS) and Galactooligosaccharides (GOS) prebiotics promote the growth of beneficial bacteria and help maintain normal digestive function. 
• The prebiotic and probiotic blend works synergistically, with prebiotics serving as food for the probiotics and supporting digestive health.
• The soft chew is pork flavored and designed for easy daily use.

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

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

You can also opt to purchase the tailored version of PetLabCo. Probiotic Chews, with pre-measured doses according to your dog’s weight:  

• Extra small – under 5 lbs
• Small – 5-24.9 lbs
• Medium – 25-75 lbs
• Large – Over 75 lbs

PetLabCo. Probiotic Chews (Non-tailored) – Usage Guidance

PetLabCo. Probiotic Chews contain 3 billion CFUs per soft chew, for helpful support, and are formulated with a blend of three different probiotic strains.

The soft chews are suitable for dogs and puppies over 12 weeks old and are available in a pork flavor that is appealing to most dogs. The soft chews can be given directly to your dog as a standalone supplement, or given at mealtimes, making them easy to administer. 

The recommended administration for PetLabCo. Probiotic Chews (non-tailored) is: 

• 1 soft chew daily for dogs under 25 lbs
• 2 soft chews for dogs 25-75 lbs
• 3 soft chews for dogs over 75 lbs

Store the soft chews in a cool, dry place to maintain probiotic viability. The product is designed for long-term use to provide consistent support.

Why Try PetLabCo. Probiotic Chews?

PetLabCo. Probiotic Chews contain a blend of probiotics, prebiotics, and postbiotics designed to maintain a balanced gut microbiome and support digestive health, immune function, and overall wellbeing.

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. The product is made from premium-quality domestic and globally sourced ingredients.

PetLabCo. Probiotic Chews are formulated to support digestive health in dogs, and to help maintain firm and healthy stools. When used consistently these savory daily soft chews may also help with occasional itching, support dogs with signs of seasonal or occasional sensitivities, and contribute towards your dog’s overall well-being.

89% of PetLabCo. Probiotic Chew customers are seeing results*¹ after 90 days, with many users reporting signs of improvements in digestive health (normal stools, reduced gas), and some noting better overall wellness and coat condition.

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

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

PetLabCo. ProBright® Advanced is a veterinarian-reviewed dog dental powder supported by 2 clinical studies and backed by science. 90% of ProBright Advanced subscribers reported seeing results after 90 days*². 

Formulated to help target tartar buildup and support fresher breath, ProBright® Advanced contains premium-quality ingredients, including a patent-pending proprietary probiotic blend (Pediococcus pentosaceus, Lactiplantibacillus plantarum), Brown Algae, Sodium Hexametaphosphate, Rosemary Leaf Extract, and Green Tea. Together, these ingredients may help freshen breath and support clean, healthy teeth & gums, when used consistently as part of a daily oral care routine. 

ProBright® Advanced is a dental powder that is given using the included scoop. It should be used alongside regular toothbrushing and routine dental checkups. This product is a health supplement and should be used according to the label directions 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 Scoop	Little Scoop (0.75g)	Big Scoop (1.5g)	1.5g	2g	3g	Per Scoop (_g)
Active Ingredient	XS		S	M	L	Unit
Patent-Pending Proprietary Probiotic Blend (Pediococcus pentosaceus, Lactiplantibacillus plantarum)	112.5 Million	225 Million	450 Million	750 Million	1.2 Billion	CFU
Brown Algae(Ascophyllumnodosum)	82.5	165	330	850	1510	mg
Sodium Hexametaphosphate	14.5	29	58	100	125	mg
Rosemary Leaf Extract	10	20	40	68	79	mg
Green Tea (Decaffeinated)	1.15	2.3	4.6	8.2	9.3	mg

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

PetLabCo. ProBright® Advanced – Usage Guidance

Directions For Use: Administer orally

Weight Range	Daily
Extra Small – UNDER 4 lbs	1 Little Scoop (Scoop Included)
Extra Small – 4-11.9 lbs	1 Big Scoop (Scoop Included)
Small – 12-24.9 lbs	1 Scoop (Scoop Included)
Medium – 25-75 lbs	1 Scoop (Scoop Included)
Large – OVER 75 lbs	1 Scoop (Scoop Included)

• 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.
• PetLabCo.’s usage guidance for this product advises to give ProBright® Advanced at mealtime, and specifies not to add water.

Why Try PetLabCo. ProBright Advanced Dental Powder?

Together, the active ingredients in PetLabCo. 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 in need of a little additional dental hygiene support.

I recommend speaking with your vet before adding this, or any other dog care product, to your pup’s regular routine.

PetLabCo. Joint Care Chew Advanced Dog Joint Supplement for Flexibility

PetLabCo. Joint Care Chew Advanced is formulated to support healthy joints, flexibility, and exercise tolerance for an active lifestyle. Featuring Glucosamine HCI, Boswellia, and PetLabCo.’s own GLMK-418 Omega Blend™, Joint Care Chew Advanced promotes the development of healthy joints in young pups, provides ongoing support for working dogs, and can help maintain mobility for older dogs when used consistently according to instructions. 

Joint Care Chew Advanced is expertly formulated for dogs of all breeds and sizes. Here’s a full rundown of the active ingredients:

Active Ingredients:
Quantity Per Administration:	1.25g	2.5g	4g	6g	Per Soft Chew (__g)
Active Ingredient	XS-S		M	L	Unit	Derived From	Function
Glucosamine HCI (Shellfish)	135	270	600	950	mg	Crustacean	Can maintain cartilage structure
Green Lipped Mussel (Perna canaliculus — A Natural Source of Chondroitin)	135	270	600	950	mg	Green Lipped Mussels	Supports healthy inflammatory response
Boswellia	10.5	21	47	75	mg	Boswellia serrata	Supports healthy inflammatory response
Total Omega 3 Fatty Acids (From GLMK-418 Omega BlendTM of Green Lipped Mussel & Krill Oil)	3.65	7.3	16	25	mg	Green Lipped Mussel Oil & Krill Oil	Can contribute to healthy joints Source of EPA & DHA
EPA	1.8	3.6	8.1	12	mg
DHA	0.45	0.9	2.1	3.3	mg

Inactive Ingredients:  

Apple Cider Vinegar, Coconut Glycerin, Coconut Oil, Hickory Smoke Flavor, Natural Fish Flavor, Rosemary Extract, Salmon Hydrolysate, Sunflower Lecithin, Sunflower Oil, Sweet Potato, Yeast (Palatant).

PetLabCo. Joint Care Chew Advanced – Usage Guidance

Directions For Use: Administer orally.
Weight Range	Daily	Supply
Extra Small & Small
UNDER 5 LBS	1/2 Soft Chew	60 Days
5-24.9	1 Soft Chew	30 Days
Medium Dogs – 25-75 LBS	1 Soft Chew	30 Days
Large Dogs – OVER 75 LBS	1 Soft Chew	30 Days

It’s important to follow the usage guidelines when giving your pup Joint Care Chew Advanced, and to keep the product in a cool, dry place, away from direct sunlight. Ensure the tub is resealed after each use.

Why Try PetLabCo. Joint Care Chew Advanced?

If your dog is experiencing occasional stiff 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 PetLabCo.’s Joint Care Chew Advanced it’s recommended to speak to your veterinarian to ensure suitability.

PetLabCo.’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 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:

Active Ingredients Per:
Quantity Per Serving:	3g	4g	6g	Pet Soft Chew (_g)
Active Ingredient	S	M	L	Unit	Function
A Proprietary Blend of Probiotics (Bacillus coagulans, B. clausii, B. subtilis)	1 Billion	2 Billion	3 Billion	CFU	Probiotic
Colostrum (Bovine)	350	700	1050	mg	Immune Health Booster
Total Prebiotics Fructooligosaccharides (FOS) Galactooligosaccharides (GOS)	200	400	600	mg	–
	100	200	300	mg	Prebiotic
	100	200	300	mg	Prebiotic
A Synergistic Postbiotic Blend of Yeast (Saccharomyces cerevisiae,Cyberlindnera jadinii)	75	150	225	mg	Postbiotic
Total Omega Fatty Acids (3, 6 & 9) (Krill & Borage Oil)GLAEPADHA	68 14 6.0 2.0	13729124.0	20644186.0	mg	Antioxidant
Vitamin E (dl-α-Tocopheryl Acetate)	3.3	6.7	10	mg	Antioxidant

Inactive Ingredients:

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

FAQ: PetLabCo. Ingredients 

1. What Types of Ingredients Are Used in PetlabCo. Products?

PetLabCo. products contain a combination of probiotics, prebiotics, postbiotics, and other supportive ingredients such as brown algae, glucosamine HCl, omega fatty acids, and antioxidants. These ingredients are selected to help support different aspects of your dog’s overall wellbeing.

2. What Do Probiotics Do for Dogs?

Probiotics are beneficial bacteria that may help support a healthy balance of gut microflora. This can play a role in supporting digestive health and a normal immune response.

3. Are These Products Intended To Treat Specific Conditions?

No. PetLabCo. products are health supplements designed to support normal bodily functions. They are not intended to diagnose, treat, cure, or prevent any disease.

4. How Long Does It Take To See Results?

Results can vary depending on the product, your dog’s individual needs, and consistency of use. These products are designed to be used daily as part of a long-term routine.

5. Can These Products Replace Regular Veterinary Care?

No. These products are intended to complement, not replace, regular veterinary care, including checkups and any recommended treatments.

6. How Should I Give PetLabCo. Products to My Dog?

Each PetLabCo. product includes specific directions for use. Always follow the label instructions and administer the product as directed for your dog’s size and weight.

7. Are PetLabCo. Products Suitable for All Dogs?

Most products are suitable for dogs over a certain age (typically 12 weeks+), but suitability may vary. If your dog has sensitivities or underlying conditions, consult your veterinarian before use.

8. Where Can I Find Full Ingredient Information?

Full ingredient lists are available on product labels and on the individual product pages on the PetLabCo. website.

Final Thoughts on PetLabCo. Ingredients 

PetLabCo. products are formulated with a range of carefully selected ingredients, including probiotics, prebiotics, postbiotics, and other supportive compounds such as brown algae, glucosamine HCl, and omega-rich oils.

Each ingredient is chosen for its role in helping to support normal bodily functions, such as digestive balance, oral cleanliness, flexibility mobility, and skin health, when used consistently as part of a daily routine.

Rather than focusing on quick fixes, these formulations are designed to complement your dog’s overall care, including a balanced diet, regular exercise, and routine veterinary checkups.

As with any health supplement, individual needs can vary. If you’re unsure which ingredients or products are most appropriate for your dog, it’s always best to consult your veterinarian for tailored guidance.

*¹Based on a survey of PetLabCo. subscribers who reported using Probiotic Chews daily or almost daily for 90+ days. Results reflect customer feedback collected in September 2025 (¹n=307; ²n=249, based on subscribers whose dogs itched, paw licked or shook their head; ³n=139, based on subscribers whose dogs had occasional digestive issues; ⁴n=224, based on subscribers who wanted better gut health; ⁵n=298).

*²Based on a survey of PetLabCo. subscribers who reported using ProBright Advanced® daily or almost daily for 90+ days. Results reflect customer feedback collected in September 2025 (n=456).

Disclaimer: PetLabCo. products are not intended to diagnose, treat, cure, or prevent any disease. Results may vary. Always consult your veterinarian before introducing a new supplement. Ingredient lists and quantities accurate at time of writing.

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