Bifidobacterium lactis B420
Bifidobacterium lactis B420 (also catalogued as Bifidobacterium animalis subsp. lactis B420) is a probiotic strain that has been studied in the context of gut health and metabolic parameters. The strain-specific clinical evidence identified for this index entry is limited to a single randomized controlled trial examining Helicobacter pylori eradication, underscoring the importance of studying outcomes per strain. Broader research on related B. lactis strains has examined gut barrier and immune function, but strain-level human efficacy data for B420 specifically remains sparse at this time. These are research topics, not findings; the papers do not establish that this strain treats or prevents any condition.
Where it's been studied Tags come from a conservative keyword scan of each paper's title, abstract, and summary. A tag is research coverage, not measured effect. How we classify this →
Share of this strain's 1 body-system-tagged papers that concern each system. Research coverage, not measured effect.
Symptoms in the research A tag means the paper's text names the symptom or condition — research coverage, not evidence of benefit. How we classify this →
Share of this strain's 1 symptom-tagged papers that mention each symptom or condition. Research coverage, not evidence of benefit.
Research Study-type filters use AI-classified labels, audited but not guaranteed — check the paper itself before leaning on one. How we classify this →
1 papers reference this strain in the probiotic database.
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Citations
Selected papers that name this strain.
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[1]
Source →Bifidobacterium Lactis Fermented Milk Was Not Effective For Helicobacter Pylori Eradication: A Prospective, Randomized, Double-Blind, Controlled Study· Zenodo (CERN European Organization for Nuclear Research) · 2015