Giving kids who are overweight special fiber supplements might help them lose a little weight or lower their BMI a bit, but we can't be sure because the studies are messy and not very reliable.

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)

Community contributions welcome

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

Similar Assertions

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

84%

These supplements don't seem to help kids with overweight or obesity lower their blood sugar or insulin levels — the studies all show no clear benefit.

82%

These supplements don't reliably help kids improve their cholesterol or triglyceride levels — the studies show no clear benefit.

79%

The studies on these supplements are too messy and unreliable to say for sure if they help overweight kids — we can't trust the results much.

74%