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100,000+ 5 Star PetLabCo. Reviews Globally ⭐⭐⭐⭐⭐
Tailored for Your Dog
Immune Probiotic + - dog probiotics for all seasons
PetLabCo.’s powerful pork-flavoured soft chews target paw licking, head shaking, scratching and seasonal comfort at the source with a blend of probiotics and premium-quality, skin-supporting ingredients.
Tell Me About:
“I recommend PetLabCo. supplements to all of my clients - they are a trusted source of quality supplementation for their dogs.”
Dr. Roxana Bordbar
US DVM, Vet Consultant to PetLabCo.
Expected delivery in 3-5 business days
All of our products are shipped from Canada
As seen on sponsored content
We have impacted over 5.3 million dogs globally
Triple-action seasonal
support for dogs
Shipped from Canada
Timely deliveries to help keep your dog’s health on track.
Tailored Formula
Our breakthrough formula is specifically tailored to meet the needs of all dog sizes, ensuring that every pup receives the appropriate amount of health supplements and support.
Backed by Research
PetLabCo. worked closely with experts to design an immune-supporting formula. The triple blend of biotics can help create a shield around your dog's immune system to support them from seasonal irritants.
Seasonal Support
Immune Probiotic + is the easy route to a more comfortable and happier dog. With a supported immune response, your pup can play outside, roll in the grass, and sniff around carefree all year long.
Vet-reviewed formula
“PetLabCo.’s approach to supporting normal yeast production, can do wonders for itchy skin and overall health.”
Dr. Roxana Bordbar
US DVM, Vet Consultant to PetLabCo.
Research-backed active ingredients
Probiotics
Our specific fusion of gut flora supporting probiotics can help maintain healthy canine digestive and immune health.
- Helps maintain a healthy balance of gut flora
- Supports gastrointestinal health
- Promotes healthy immune system function and response
Probiotics
Colostrum (from Bovine)
Colostrum is a protein-rich fluid produced from mammary glands. This hugely beneficial ingredient can help support good gut microbes and healthy skin.
- Supports a healthy immune response
- Promotes gut, skin, and tissue health
- Helps maintain beneficial gut microbes
Colostrum (from Bovine)
Krill Oil
Our krill oil features a mega source of omega-3 fatty acids, which directly help to support skin and coat health in dogs.
- Helps maintain normal inflammatory & immune responses
- Supports skin health and may help reduce oxidative stress
- Provides antioxidant benefits
Krill Oil
Yeast Extract
We have postbiotics! Ours is a yeast extract postbiotic blend, a multiple-strain postbiotic that can support your pet’s normal immune defences.
- Helps maintain normal gut microflora
- Supports a healthy immune system and digestive health
Yeast Extract
Prebiotics (FOS & GOS)
Prebiotics are just as important as probiotics! This powerful addition can help promote the growth of beneficial bacteria in the digestive system, and also acts as "food” for the probiotics. Together, FOS & GOS can also support your dog’s immune system, and help with seasonal allergen discomfort.
- Promotes healthy gut flora and postbiotic production
- Supports digestive function, stool consistency, and gut barrier function
- Helps with occasional allergies and occasional stress
Prebiotics (FOS & GOS)
Borage Seed Oil (Borago officinalis seed)
Bursting with omega fatty acids, borage seed oil can help to support skin and coat health.
- Provides antioxidant benefits
- Supports healthy skin and normal skin moisture content
- Contributes to a normal inflammatory response
Borage Seed Oil (Borago officinalis seed)
Vitamin E (dl-alpha Tocopheryl acetate)
An antioxidant that helps support immune system health and optimal skin and coat conditions.
- Provides antioxidant benefits
- Supports healthy skin and normal skin moisture content
Vitamin E (dl-alpha Tocopheryl acetate)
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 the highest-quality ingredients for optimal pet well-being.
Scientifically Backed Ingredients
Each ingredient in our immune support dog chews is backed by extensive scientific research
Reviewed by Vets
Every formula has been thoroughly reviewed by a veterinary expert
Third-Party Tested
Rigorously tested for quality
100,000+ Five-Star Reviews Globally
PetLabCo. is trusted by thousands of pet parents for real results
Daily directions for use for optimal results
Dog Size
Daily/Tub size
Small
Under 11 kg
1 soft chew/Small
Medium
11 – 34 kg
1 soft chew/Medium
Large
Over 34 kg
1 soft chew/Large
Take your dog’s health & comfort to the next level
Supports Gut & Immune Health
Formulated with probiotics, prebiotics, and postbiotics to support digestive health and immune system function.
Targets Intermittent Itchiness
Each soft chew is designed to support normal skin health and help with occasional paw licking, scratching, and occasional discomfort.
Optimal Skin & Coat Comfort
Includes omega fatty acids and colostrum to help maintain healthy skin and a comfortable, glossy coat.
Seasonal Changes
A healthy gut supports a balanced immune response, which may help with seasonal sensitivities like head shaking and paw chewing.
Tailored for Every Dog
Available in sizes for small, medium, and large dogs aged 12 weeks and older – so every pup gets the right amount, every day.
What to expect
86% of customers using our best-selling probiotics are seeing results after 90 days1
A happier, healthier pup – with each soft chew
Seasonal comfort
Balanced yeast levels
Supported gut & immune function
Tasty daily soft chew
Month 1
Gut support begins. Probiotics, prebiotics, and postbiotics help support the microbiome.
Month 2
You may notice less scratching, licking, and head shaking. Yeast levels start to balance.
Month 3
Noticeably calmer skin and more comfort during seasonal changes.
1 - Results are based on feedback from a September 2025 survey of US PetLabCo. subscribers who reported using Probiotic Chews daily or almost daily for 90+ days (n=307). US product formulation may vary slightly from Canada Immune Probiotic +.
Rated 4.5
Rated 4.0
Rated 4.3
Rated 4.7
Trusted by pet parents worldwide
Reviews of PetLabCo. Immune Probiotic +2
Don’t just take our word for it
Real Customers Review Immune Probiotic +2
We gave it a whirl and I was shocked. Right away, she loved them. I highly recommend them if you have a dog with seasonal allergies.
Elly’s Mom
Why subscribe?
Our products are designed for long-term use to deliver lasting results. That's why we offer tailored subscription options—so you can save more while staying consistent. Choose a monthly subscription and get up to 44% off every month.
A 1 Tub Subscription:
Immune Probiotic +20% OFF
CA$43.95CA$54.94
Shipping
FreeCA$4.99
Total
CA$43.95CA$59.93
Total Savings CA$15.98
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