Also known as: B. longum, B. longum 1714, Bifido
Dominant infant gut bacteria that supports immune function and may reduce anxiety. Important throughout life.
Safe long-term
Stress, immune support
We haven’t curated landmark studies for Bifidobacterium longumyet — one-click into the primary literature here. PubMed (RCTs) is usually the highest-signal starting point.
Important from infancy through aging
Consult healthcare provider
Safe
In-depth guides covering Bifidobacterium longum — protocols, comparisons, and use cases.
Other ingredients in the Probiotic category.
Formulate Research Team. (2026, September). Bifidobacterium longum — Evidence-Based Supplement Guide. Formulate Supplement Encyclopedia. https://app.formulate-health.app/learning/supplements/bifidobacterium-longum
Educational content based on published research and our scoring methodology. Not medical advice — consult a qualified healthcare provider before starting, stopping, or changing supplements, especially if you take medications, are pregnant, or have a medical condition.