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Evidence-Based Supplement Research
Evidence-Based Supplement Research
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Hibiscus and Reduced Blood Cholesterol

Research synthesisModerate evidenceSmall effect3 studies · 3 beneficial · 0 neutral · 0 harmful

Across 3 studies (2 meta-analyses, 1 review), all 3 reported statistically significant beneficial effects of hibiscus on blood cholesterol, predominantly of a small magnitude. Evidence primarily draws from clinical populations (e.g., individuals with metabolic syndrome). The median reported study duration was 28 days.

  • Studied populations: Clinical populations, specifically individuals with metabolic syndrome and related disorders

Caveats: Evidence base is small (only 3 studies) — conclusions should be considered preliminary. Available evidence is overwhelmingly positive — clinical literature in this area is subject to publication bias (null-result studies are less likely to be published or indexed). Specific dose and form data were not consistently reported across studies.

Generated Jul 18, 2026
Time to effect
Median: 4 weeks · IQR 4 weeks–4 weeks · Range 4 weeks–4 weeks — Reported in 1 of 3 studies
Safety in these studies
3 of 3 papers
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