Also known as: B. infantis 35624, Bifantis, Align probiotic, Bifidobacterium longum subsp. infantis 35624
Most-studied probiotic strain for IBS. Repeated RCTs show symptom improvement at 1 billion CFU/day.
Trials show benefit emerging over 4 weeks; safe for long-term use
Generally safe in pregnancy and pediatrics; consult provider in immunocompromised states
We haven’t curated landmark studies for Bifidobacterium infantis 35624yet — one-click into the primary literature here. PubMed (RCTs) is usually the highest-signal starting point.
Multiple RCTs in IBS show reduced abdominal pain, bloating, and urgency. Effect is strain-specific — generic B. infantis products may not deliver the same benefit.
Considered safe
No concerns
In-depth guides covering Bifidobacterium infantis 35624 — protocols, comparisons, and use cases.
Other ingredients in the Probiotic category.
Formulate Research Team. (2026, September). Bifidobacterium infantis 35624 — Evidence-Based Supplement Guide. Formulate Supplement Encyclopedia. https://app.formulate-health.app/learning/supplements/bifidobacterium-infantis-35624
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.