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Evidence-Based Supplement Research
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Bifidobacterium animalis subsp. lactis BB-12 and Reduced Inflammation

Research synthesisLow evidenceSmall effect4 studies · 4 beneficial · 0 neutral · 0 harmful

Across 4 studies, all 4 reported beneficial effects on reduced inflammation, with predominantly small effect sizes. No specific dose range, population, or study duration was consistently reported across the included studies.

Caveats: 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). Many of the included studies did not reach statistical significance — effect may be smaller than the predominant direction suggests. Additionally, the evidence is based primarily on narrative reviews and a single animal study, with no human clinical trials directly assessing inflammation reduction. No consistent dose, form, or study duration data were reported, limiting practical application.

Generated Jun 11, 2026
4 of 4 papers
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