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Evidence-Based Supplement Research
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Resveratrol and Improved Insulin Sensitivity

Research synthesisLow evidenceSmall effect3 studies · 1 beneficial · 2 neutral · 0 harmful

Across 3 studies, 1 reported a beneficial small-sized effect on insulin sensitivity, while 2 found neutral results. The predominant effect size was small across all studies, with evidence derived from systematic reviews in clinical populations including type 2 diabetes and non-alcoholic fatty liver disease.

  • Studied populations: clinical populations with metabolic conditions, including type 2 diabetes and non-alcoholic fatty liver disease

Caveats: Evidence base is small (only 3 studies) — conclusions should be considered preliminary. Many of the included studies did not reach statistical significance — effect may be smaller than the predominant direction suggests. The beneficial finding was limited to one review in type 2 diabetes, while neutral results in other populations (NAFLD, metabolic disorders) indicate inconsistency. Doses and forms were not systematically reported across studies.

Generated Jun 15, 2026
3 of 3 papers
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