Bifidobacterium Lactis

Active
Good
Moderate nutritional value

Last updated: February 10, 2026

Table of Contents

Quick Summary

Bifidobacterium Lactis Probiotic bacteria that supports digestive health, immune function, and gut barrier integrity.

Category
Active
Common In
Joint supplements, calming treats, specialty formulas
Also Known As
B. lactis, bifidobacterium animalis subsp. lactis
Watts Rating
Good ✓

What It Is

Probiotic bacteria that supports digestive health, immune function, and gut barrier integrity.

Compare to Similar Ingredients

Why It's Used in Dog Products

Manufacturers include bifidobacterium lactis in dog food, treats, and supplements for several reasons:

Nutritional Profile

Quality Considerations

When evaluating bifidobacterium lactis in dog products, it's important to understand clinical evidence, appropriate dosing, and targeted health benefits. This ingredient's quality and appropriateness can vary significantly based on sourcing, processing, and the specific formula it's used in.

Quality Note

Well-researched probiotic with clinical evidence for digestive and immune benefits. Stability in kibble varies - spore-forming probiotics (Bacillus) survive better. Look for products listing CFU count and best-by dates.

Potential Concerns

While bifidobacterium lactis can be appropriate in dog nutrition, pet owners should be aware of efficacy, quality of source material, and potential interactions with medications. Individual dogs may respond differently to the same ingredient based on their health status, age, and sensitivities.

Watts' Take

Beneficial probiotic with solid research for digestive and immune health. Less heat-stable than Bacillus coagulans, so more effective in refrigerated or wet foods. Look for minimum 100 million CFUs per serving.

Frequently Asked Questions

Is bifidobacterium lactis safe for dogs?

Yes, bifidobacterium lactis is safe for dogs when used appropriately in properly formulated dog food. Very safe - GRAS status with no known toxicity As with any ingredient, individual dogs may have sensitivities, so monitor for any adverse reactions when first introducing products containing this ingredient.

What does bifidobacterium lactis do in dog products?

Probiotic bacteria (subspecies of B. animalis) supporting digestive health, immunity, and gut barrier function. Dog food manufacturers include this ingredient to provide digestive health and regularity and provide immune system support.

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