Giving kids probiotics or synbiotics doesn't reliably help them lose weight or lower their BMI — the studies all show mixed or no results.

Pro

Against

Evidence from Studies

Supporting (1)

Community contributions welcome

The role of microbiome-modulating supplements in managing metabolic syndrome risk factors among overweight and obese youth: a GRADE-assessed meta-analysis

Systematic Review With Meta-Analysis

Human

2025 Dec 24

Contradicting (0)

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No contradicting evidence found

Gold Standard Evidence Needed

According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.

Source Study

The role of microbiome-modulating supplements in managing metabolic syndrome risk factors among overweight and obese youth: a GRADE-assessed meta-analysis

Score: 62

DOI: 10.1186/s12887-025-06319-8

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