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How strong is the evidence for Probiotics?

Probiotics have some of the more consistently positive supplement evidence for a specific, common problem: multiple meta-analyses, including a landmark JAMA meta-analysis and two Cochrane reviews (one in children, one for C. That evidence is currently rated strong (75/100), built on 10 published studies, including 10 meta-analyses -- enough for real confidence in the effect.

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Probiotics

Strong evidence

Evidence

75

Impact

48

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