Bifidobacterium breve and body weight

What 2 graded rows on bifidobacterium breve agree on for body weight, and where they differ. Counted side by side, never averaged.

Consensus finder Rows from the Bifidobacterium breve page, reviewed Oct 21, 2026 How it decides

What the rows agree on

Each block and row is one graded row from the Bifidobacterium breve page, with its PubMed record.

Supplement

Bifidobacterium breve Choose another

2 rows · 158 people

They agree: both rows found an improvement.

No difference

Improved

Each block is one evidence row, sized by how many people it enrolled, with its grade inside.

From the rows

The best-graded row, grade C, is a randomized trial of 83 people (2022) and found an improvement.

The rows run from 75 to 83 people, published from 2022 to 2024: 2 single studies.

2 improved

Grade CBody fat, weight and waist (strain B-3) · Improved
RCT · n 83 · 2022 · Healthy adults (Korea)
5 billion CFU/day · 12 weeks
Body fat (by DXA), waist and hip circumference were lower than with placebo at 12 weeks; no severe adverse reactions.
Row on the Bifidobacterium breve page · PubMed 36615686 (opens PubMed)
Grade DWeight, BMI and fasting glucose in overweight young adults (strain BBr60) · Improved
RCT · n 75 · 2024 · Overweight or obese young adults on diet guidance
1 × 10¹⁰ CFU/day · 12 weeks
Weight and BMI fell more than with placebo, and fasting glucose was lower than in the placebo group.
Row on the Bifidobacterium breve page · PubMed 39456659 (opens PubMed)