Claim evidence

Improves stool quality in healthy dogs

Grade CLimited or mixed evidenceSave claim

Ingredient: Lactobacillus acidophilus · probiotic

Plain-language summary

Strain-specific; general genus claims are weak.

About the ingredient

What it is

A bacterial genus/species used in probiotics.

Why it's used

Marketed for digestive support. Effects depend on strain and CFU.

Also known as: L. acidophilus

Cited studies (3)

Canine studies

Developing Gut-Healthy Strains for Pets: Probiotic Potential and Genomic Insights of Canine-Derived Lactobacillus acidophilus GLA09.
Zhao M, Zhang Y, Li Y, Li G · Microorganisms · 2025
Save studyC
Study summary
Very limited quality
Design score 2/11
Design
Journal Article
Species
dog
Sample size
Not reported
Duration
Not reported
Controls / blinding
Not reported
Funding
Not reported
Strengths
- Conducted in dogs
Limitations
- Sample size not recorded
- No control group recorded
- Study duration not recorded
Relevance to this claim: Ingredient-level evidence for Lactobacillus acidophilus
DOI: 10.3390/microorganisms13020350
Safety and efficacy of a feed additive consisting of Enterococcus faecium NBIMCC 8270, Lactobacillus acidophilus NBIMCC 8242, Lactobacillus helveticus NBIMCC 8269, Lactobacillus delbrueckii ssp. lactis NBIMCC 8250, L. delbrueckii ssp. bulgaricus NBIMCC 8244 and Streptococcus thermophilus NBIMCC 8253 (Probiotic Lactina®) for cats and dogs (Lactina Ltd.).
EFSA Panel on Additives and Products or Substances used in Animal Feed (FEEDAP), Bampidis V, Azimonti G, Bastos ML, Christensen H, Dusemund B, Durjava MF, Kouba M, López-Alonso M, Puente SL, Marcon F, Mayo B, Pechová A, Petkova M, Ramos F, Sanz Y, Villa RE, Woutersen R, Saarela M, Anguita M, Galobart J, Pettenati E, Revez J, Ortuño J, Tarrés J, Brozzi R · EFSA journal. European Food Safety Authority · 2022
Save studyC
Study summary
Very limited quality
Design score 2/11
Design
Journal Article
Species
dog
Sample size
Not reported
Duration
Not reported
Controls / blinding
Not reported
Funding
Not reported
Strengths
- Conducted in dogs
Limitations
- Sample size not recorded
- No control group recorded
- Study duration not recorded
Relevance to this claim: Ingredient-level evidence for Lactobacillus acidophilus
DOI: 10.2903/j.efsa.2022.7423
Preparation and application characteristics of microencapsulated Lactobacillus acidophilus as probiotics for dogs.
Ma Y, Xing Y, Xu Q, Wang T, Cai Y, Cao D, Che Z · Pakistan journal of pharmaceutical sciences · 2015
Save studyC
Study summary
Very limited quality
Design score 2/11
Design
Journal Article; Research Support, Non-U.S. Gov't
Species
dog
Sample size
Not reported
Duration
Not reported
Controls / blinding
Not reported
Funding
Not reported
Strengths
- Conducted in dogs
Limitations
- Sample size not recorded
- No control group recorded
- Study duration not recorded
Relevance to this claim: Ingredient-level evidence for Lactobacillus acidophilus

Products in our catalog with Lactobacillus acidophilus (13)

Adored Beast
Canine Allergy Bundle
Active ingredient
Adored Beast
Canine Immunity Boosting Bundle
Active ingredient
Adored Beast
Leaky Gut Protocol
Active ingredient
Adored Beast
Leaky Gut Protocol
Active ingredient
Adored Beast
Small Dog - Leaky Gut Protocol
Active ingredient
Adored Beast
Small Dog - Leaky Gut Protocol
Active ingredient
Adored Beast
Healthy Gut – Digestive Enzyme / Pre & Probiotic
Active ingredient
Adored Beast
Fido's Flora – Canine Species Specific Probiotic
Active ingredient
Adored Beast
Love Bugs – Pre & Probiotics
Active ingredient
VetriScience
VetriScience Perio Support Powder
Active ingredient
Stella & Chewy's
Meal Mixers Chewy's Chicken
Active ingredient
Adored Beast
Canine Gut Soothe
Active ingredient
Thrive Supplements
Thrive Pro-Gut Probiotics Fusion
Active ingredient

Educational information only. Not veterinary advice. Grades reflect published dog research and reviewer consensus, not marketing.