Bifidobacterium animalis subsp. lactis BB-12 and Improved Gastrointestinal Health

Research synthesisVery low evidenceMixed effect size3 studies · 3 beneficial · 0 neutral · 0 harmful

Across 3 studies, all reported beneficial effects on gastrointestinal health, with effect sizes ranging from small to large (predominantly moderate). The evidence is derived entirely from narrative reviews, with no specific dose, duration, or population data reported. Effect sizes were mixed (small to large) across the available studies.

Caveats: Evidence base is small (only 3 studies) — conclusions should be considered preliminary. All three studies are narrative reviews, not original clinical trials, and none reported statistical significance or specific effect sizes with confidence intervals. Available evidence is overwhelmingly positive — clinical literature in this area is subject to publication bias (null-result studies are less likely to be published or indexed).

Generated May 12, 2026

3 of 3 papers

The Science behind the Probiotic Strain Bifidobacterium animalis subsp. lactis BB-12®
- 2014-03-28
- Review
- Microorganisms 2(2)
- - Mikkel Jungersen
  - A. Wind
  - E. Johansen
  - J. Christensen
  - Birgitte Stuer-Lauridsen
  - D. Eskesen
- PubMed: 27682233
- DOI: 10.3390/microorganisms2020092
15 Insights on
- Improved Gastrointestinal Health
- High evidence
- Highly Cited
- Rigorous Journal
BB-12(®) has proven its beneficial health effect in numerous clinical studies within gastrointestinal health and immune function. Clinical studies have demonstrated survival of BB-12(®) through the gastrointestinal tract and BB-12(®) has been shown to support a healthy gastrointestinal microbiota.
Effect
Beneficial
Effect size
Large
The probiotic bacteria and their encapsulated forms as food components: Survival, effects and quality.
- 2026-04-06
- Review
- AIMS microbiology 12(1)
- - Elena Nikitina
  - Dmitrii Khrundin
- PubMed: 41938781
- DOI: 10.3934/microbiol.2026001
4 Insights on
- Improved Gastrointestinal Health
- Low evidence
Probiotics from genera such as Bifidobacterium and Lactobacillus are widely used to prevent and manage gastrointestinal and systemic disorders. However, their efficacy is often limited by the loss of viability that occurs during processing, storage, and passage through the gastrointestinal tract.
Effect
Beneficial
Effect size
Small
Probiotics and Their Antimicrobial Metabolites: A Collegial Strategy for Food Bio-Preservation - A Review.
- 2025-12
- Review
- Food science & nutrition 13(12)
- - Lingling Wang
  - Shuanshan Ren
  - Atique Ahmed Behan
  - Muhammad Asif Arain
  - Nissar Ahmed Ujjan
  - Dequan Zeng
  - Yufeng Li
  - Xingming Ma
- PubMed: 41356233
- DOI: 10.1002/fsn3.71318
6 Insights on
- Improved Gastrointestinal Health
- Low evidence
Bifidobacterium animalis subsp. lactis BB-12 has been associated with beneficial effects on gut health and food preservation.
Effect
Beneficial
Effect size
Moderate

Bifidobacterium animalis subsp. lactis BB-12 and Improved Gastrointestinal Health

The Science behind the Probiotic Strain Bifidobacterium animalis subsp. lactis BB-12®

The probiotic bacteria and their encapsulated forms as food components: Survival, effects and quality.

Probiotics and Their Antimicrobial Metabolites: A Collegial Strategy for Food Bio-Preservation - A Review.