Educational dose math only — not medical advice, not a product recommendation, and not a pass/fail on whether a supplement will work for you.
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Trial reference

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Zahra 2020 meta-analysis, six RCTs pooled −0.96 kg (95% CI −1.81 to −0.11), I²=88% (Obesity Medicine 2020;9:100276, doi:10.1016/j.obmed.2020.100276; journal is not PubMed-indexed, no PMID). Meta did not report pooled mean dose; 3 g/day before meals, split into 1 g doses three times daily, is typical in constituent trials and the EFSA minimum for the weight claim. Psyllium 10.8 g/day is the stronger fiber anchor in this guide.

Educational only — not medical advice. Disclaimer.

NIH DSLD market slice

Median1 g
Products219
Below96%

Bulk CSV dump 16 January 2026 · label entries through 2025. Disclosed amounts only — proprietary blends without gram weights excluded.

Trial floors

Primary

Typical trial dose (anchor, not meta mean) · 3 g over 8-12 weeks (limited evidence) · Secondary outcomes only — Zahra 2020 meta-analysis, six RCTs pooled −0.96 kg (95% CI −1.81 to −0.11), I²=88% (Obesity Medicine 2020;9:100276, doi:10.1016/j.obmed.2020.100276; journal is not PubMed-indexed, no PMID). Meta did not report pooled mean dose; 3 g/day before meals, split into 1 g doses three times daily, is typical in constituent trials and the EFSA minimum for the weight claim. Psyllium 10.8 g/day is the stronger fiber anchor in this guide.

Label reading notes

  • Meta did not compute mean g/day; 3 g/day is an anchor dose, not a pooled trial mean.
  • Split it: 1 g three times daily before meals, each with a full glass of water; choking risk if swallowed dry.
  • Not interchangeable with psyllium evidence; different fiber, different meta.
  • High heterogeneity (I²=88%); effect size varies sharply across trials.