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Evidence-Based Supplement Research
Evidence-Based Supplement Research
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Spirulina and Reduced Diastolic Blood Pressure

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

Across 3 studies, all reported beneficial moderate-sized effects on diastolic blood pressure. The evidence primarily comes from meta-analyses of adults, including overweight and obese populations. Doses, forms, and study durations were not consistently reported.

  • Studied populations: overweight and obese adults

Caveats: 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). Additionally, the evidence base is small (only 3 studies) — conclusions should be considered preliminary. Doses, forms, and study durations were not consistently reported across studies.

Generated May 14, 2026
3 of 3 papers
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