Probios Probiocin Oral Probiotic Gel for Dogs and Cats, Digestive and Immune Support Supplement, Easy Syringe Administration, Suitable for Newborns to Senior Pets, 15g Tube Review
By Dr. Lena Ortiz · Canine wellness writer · Published 2026-05-14 · Updated 2026-06-26
4.6(1,148)Amazon rating$15.23100+ bought last month
Our verdict
Probios Probiocin is a flavorless, dairy-free lactic acid gel built for easy syringe dosing, and Probios markets it as suitable from newborn to senior pets, making it a flexible option across life stages.
Owners who want a dairy-free, flavorless gel that can be used from puppyhood through the senior years, especially during a stressful transition like a new home or vet visit.
Skip if
Your dog needs a flavored option to encourage acceptance, since this formula is labeled flavorless.
Form Gel
Flavor Flavorless
Benefits Digestive Health, Immune Support
Best for Weight
Breed size Small
Weight 0.05 Pounds
Priced 39% below the category median ($24.99 across 128 tracked models)
Our scorecard
4.6/5overall
Owner rating4.6/5
4.6 average across 1,148 owner ratings
Popularity3.2/5
1,148 owner reviews, more than most models here
The overall score is owner satisfaction weighted by how many reviews back it, so a high rating from few reviews counts for less. The bars below show where this model stands against the other dog food and health supplements we track in this category on price, popularity and size. Context, not marks against it, and our read of the data, not a lab test.
Overview
['This 15 g tube of Probios Probiocin uses a lactic acid base in a flavorless, dairy-free gel, dosed through an easy syringe rather than mixed into food. Probios markets it as appropriate for dogs and cats from newborns through senior pets.', "The label calls out both digestive health and immune support as benefits, and it's dosed by weight, with small breed dogs as the reference size on this listing.", 'At $15.23, it sits mid-pack for a probiotic gel, and with 1,148 reviews averaging 4.6 stars and about 100 bought last month, it has a steady if smaller following compared to some of the bigger names in this silo.']
Pros
Flavorless and dairy-free, useful for sensitive dogs
Marketed for use from newborn to senior pets
Easy syringe dosing with no mixing
Solid 4.6 star average across 1,148 reviews
Targets both digestive health and immune support
Cons
Flavorless format may be less appealing than a flavored gel or chew for finicky dogs
Smaller monthly purchase volume than category leaders
Dosing reference is small breed size, so larger dogs may need label guidance for amount
Specifications
Form
Gel
Flavor
Flavorless
Benefits
Digestive Health, Immune Support
Best for
Weight
Breed size
Small
Weight
0.05 Pounds
Performance notes
The lactic acid base and dairy-free, flavorless formulation are aimed at broad tolerability across ages and sensitivities, from newborn puppies to senior dogs, rather than at flavor appeal. That makes it a reasonable pick when you need a supplement that won't add dairy or strong flavoring to a sensitive dog's routine.
What buyers say
A 4.6 star average across 1,148 reviews shows consistent satisfaction, though at roughly 100 units bought last month it's a smaller seller than some of the higher-volume options in this category.
No, Probios lists this formula as flavorless, which can help with dogs that react to strong flavors or have food sensitivities.
Can I use this on a senior dog?
Probios markets Probiocin as suitable from newborn to senior pets, but for a senior dog with ongoing health issues, check with your vet before adding any new supplement.
Does it contain dairy?
No, the listing notes it's dairy free, which may suit dogs with a known dairy sensitivity.
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