Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

512 questions · 559 findings · 37 reviews · Gut

No studies found 107 · 19.1%GRADE not reported 10 · 1.8%Very low 168 · 30.1%Low 146 · 26.1%Moderate 106 · 19%High 22 · 3.9%

Kefir ( Lactobacillus bacteria) vs no intervention

Pain intensity (measure on a 0‐3 four‐point scale) · people with inflammatory bowel disease
2 findings from 1 review