Findings

What do systematic reviews say?

Refine by population, intervention, comparison or outcome
More filters
Evidence found and GRADE certainty

68 questions · 69 findings · 22 reviews · Headline outcomes only

No studies found 12 · 17.4%GRADE not reported 15 · 21.7%Very low 29 · 42%Low 12 · 17.4%Moderate 1 · 1.4%High 0 · 0%

Probiotics vs placebo

Adverse events · participants with cancer treated with radiotherapy (with or without chemotherapy)
2 findings from 1 review

Probiotics vs placebo

Adverse events · Patients with collagenous colitis

It is very uncertain whether probiotics changes adverse events compared with placebo (very low certainty).

1 finding from 1 review