Polyphenol · Fact sheet
Resveratrol
Also known as Trans-resveratrol
Resveratrol has laboratory and small human metabolic studies, but human findings are inconsistent. It has not been shown to extend human lifespan or reliably reproduce the effects of calorie restriction.
What is Resveratrol?
Resveratrol is a plant polyphenol studied in cell signaling and metabolic research. Food exposure and concentrated supplements are different contexts.
Benefits people look for
Healthy aging, mitochondrial function, and improved insulin sensitivity are popular claims. Findings in short studies cannot demonstrate longer life.
What the evidence supports
- Some small trials found changes in metabolic biomarkers.
- Conflicting controlled results and short follow-up do not establish a dependable clinical or longevity benefit.
All research areas
- Insulin sensitivity
- Energy metabolism
- Aging-related pathways
Anecdotal reports & lived experiences
Reports describe what someone noticed. They cannot establish cause, typical results, or how often a side effect happens.
No attributable personal reports are summarized here yet. The benefits above describe research interests; the side effects below come from the cited medical sources.
We do not fill this gap with unsourced testimonials or estimated success rates.
Side effects & risks
- The small trials cannot characterize uncommon adverse effects or long-term safety.
- Different preparations and exposures make it difficult to transfer tolerability findings between studies and supplements.
This is a summary of the cited evidence, not a complete product label. A lack of human safety data does not establish safety.
Clinical research: how strong is it?
Limited or unclear evidenceA small crossover study in 11 men with obesity reported favorable metabolic changes. A separate four-week trial in 24 men did not improve insulin sensitivity, its primary outcome, or body composition.
Selected research to read
11-person crossover experiment reporting metabolic changes.
24-person trial without improvement in the primary insulin-sensitivity outcome.
FDA approval & research status
Resveratrol has no FDA-approved drug indication for the wellness uses discussed here. Supplement availability is not premarket FDA approval of effectiveness or safety.
No FDA-approved use is documented in the records summarized on this page.
Supplement research is not FDA drug approval
Resveratrol has no FDA-approved drug indication for the wellness uses discussed here. Supplement availability is not premarket FDA approval of effectiveness or safety.
This summarizes the cited product or research record. Trial phases do not establish successful completion of earlier stages, and a stopped program is not ongoing development. Approval applies only to the labeled product, use and population.
What we still don’t know
- Whether any biomarker changes improve health outcomes
- Long-term effects and interactions
- Why results differ across populations and preparations
The takeaway
Conflicting controlled results and short follow-up do not establish a dependable clinical or longevity benefit.
Sources & further reading
Medical evidence and regulatory sources are listed here. Personal reports are linked separately in the experiences section.
- 1pubmedResveratrol metabolic study in men with obesity
11-person crossover experiment reporting metabolic changes.
- 2pubmedResveratrol placebo-controlled trial in men with obesity
24-person trial without improvement in the primary insulin-sensitivity outcome.
- 3fdaFDA: what approval means for supplements
Dietary supplements are not approved by FDA for safety and effectiveness before marketing.