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Resveratrol

Most recognized for its studied role in anti-aging and cardiovascular health, often linked to red wine.

Evidence · Grade D
Meta-analysis availableSystematic review availableHuman trial evidenceTraditional useInteraction riskNeeds more research

Polyphenol from grape skins, Japanese knotweed, and red wine studied for longevity, cardiovascular, and chemopreventive effects.

Resveratrol is a natural polyphenol produced by several plants, including grapes, berries, and peanuts, as a defense mechanism against stressors. It has gained attention for its potential antioxidant and anti-inflammatory properties, and is commonly studied for its possible role in anti-aging and cardiovascular health. People typically consume resveratrol through diet or as a dietary supplement, often in capsule form. Its use is frequently inspired by the 'French paradox' – the observation of lower rates of heart disease in France despite a diet high in saturated fats, attributed in part to red wine consumption.

Quick answer

What it is: Resveratrol is a natural polyphenol produced by several plants, including grapes, berries, and peanuts, as a defense mechanism against stressors.

May support:Insulin Resistance, Endometriosis, Lyme Disease, High Cholesterol, Non-Alcoholic Fatty Liver Disease (NAFLD), Melasma, Skin Care, Beauty & Anti-Aging, Type 2 Diabetes, Atherosclerosis, Cancer (Adjunctive Support)

Evidence:Evidence · Grade D

Evidence Summary

Evidence · Grade D

The current evidence base for resveratrol includes numerous preclinical studies, some human clinical trials, and observational research. However, many human studies are small, have short durations, or show inconsistent results. The grade reflects promising early findings, but a lack of conclusive, high-quality human data to firmly establish efficacy for specific health conditions.

Last reviewed · Jun 2026

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Why It Works

Resveratrol appears to influence cellular pathways associated with longevity and cellular stress response, mimicking some effects of caloric restriction.

How it works in more detail

Preclinical studies suggest resveratrol activates Sirtuin 1 (SIRT1) and AMP-activated protein kinase (AMPK), which are key regulators of metabolism and cellular defense. It appears to modulate inflammatory pathways, including NF-κB, and may exhibit antioxidant effects by scavenging free radicals and upregulating endogenous antioxidant enzymes. Resveratrol has also been studied for its ability to impact cell cycle arrest and apoptosis in various cell lines, primarily in vitro.

How to use

Always consult a qualified clinician.

Editorial guidance

Suggested dosage
150–500 mg/day trans-resveratrol with food.
Research dosage range
150–1500 mg/day, often as trans-resveratrol
Typical onset
Effects of resveratrol, particularly those related to chronic conditions or anti-aging pathways, are generally not acute and may require weeks to months of consistent supplementation to become apparent, if at all.
Typical forms
capsule, powder
Quality markers
A quality resveratrol supplement may be standardized to contain a specific percentage of trans-resveratrol, which is considered the more bioactive form. Manufacturers often specify the source (e.g., Japanese knotweed, red grape skin). Third-party testing for purity, potency, and absence of contaminants can indicate a higher-quality product.
Medication interactions
  • Anticoagulants (blood thinners)
  • Antiplatelet drugs
  • NSAIDs (non-steroidal anti-inflammatory drugs)
  • Cytochrome P450 metabolized drugs (potential interaction)
Avoid if
  • Pregnant or breastfeeding (insufficient data)
  • Bleeding disorders
  • Undergoing surgery (discontinue prior)

Community tips

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Suggested dosage

150–500 mg/day trans-resveratrol with food.

General guidance — discuss specifics with a clinician.

Active medicinal compounds

Trans-resveratrol, related stilbenes.

Traditional use

Identified as a plant defense compound; popularized by the French Paradox research.

Safety

Safety warnings

Mild GI upset at high doses. Avoid in hormone-sensitive cancers without oncology guidance.

Avoid if

  • Pregnant or breastfeeding (insufficient data)
  • Bleeding disorders
  • Undergoing surgery (discontinue prior)

Medication interactions

  • Anticoagulants (blood thinners)
  • Antiplatelet drugs
  • NSAIDs (non-steroidal anti-inflammatory drugs)
  • Cytochrome P450 metabolized drugs (potential interaction)

Reported side effects

  • Mild gastrointestinal upset (at high doses)
  • Diarrhea (at high doses)
  • Nausea (at high doses)

General guidance — discuss specifics with a clinician.

Evidence ecosystem

Scientific literature, clinical guidance, government sources, ongoing research, traditional use, and lived experience — grouped by source type and quality.

Overall grade (D)

The current evidence base for resveratrol includes numerous preclinical studies, some human clinical trials, and observational research. However, many human studies are small, have short durations, or show inconsistent results. The grade reflects promising early findings, but a lack of conclusive, high-quality human data to firmly establish efficacy for specific health conditions.

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Meta-Analyses(3)

Pooled analyses across multiple human trials.

Very High Quality
  • Safety and efficacy of antioxidant therapy in children and adolescents with attention deficit hyperactivity disorder: A systematic review and network meta-analysis.

    Zhou P, Yu X, Song T, Hou X · PloS one · 2024 · n=650

    To systematically evaluate the safety and efficacy of antioxidant therapy in children and adolescents with attention deficit hyperactivity disorder (ADHD). Randomized controlled trials and prospective studies on antioxidant therapy in children and adolescents with ADHD were searched in PubMed, Embase, and Cochrane Library from the inception of databases to November 12, 2022. Two investigators independently screened the literature, extracted data, and evaluated the quality of the included studies. Network meta-analysis (PROSPERO registration number CRD 42023382824) was carried out by using R Studio 4.2.1. 48 studies involving 12 antioxidant drugs (resveratrol, pycnogenol, omega-3, omega-6, quercetin, phosphatidylserine, almond, vitamin D, zinc, folic acid, ginkgo biloba, Acetyl-L-carnitine) were finally included, with 3,650 patients. Network meta-analysis showed that omega-6 (0.18), vitamin D (0.19), and quercetin (0.24) were the top three safest drugs according to SUCRA. The omega-3

    Meta-AnalysisPubMedVery High Quality
  • Efficacy of resveratrol in women with polycystic ovary syndrome: a systematic review and meta-analysis of randomized clinical trials.

    Ali Fadlalmola H, Elhusein AM, Al-Sayaghi KM, Albadrani MS, Swamy DV, Mamanao DM · The Pan African medical journal · 2023 · n=218

    Polycystic ovarian syndrome (PCOS) is a metabolic and hormonal condition affecting women of a reproductive age. It causes an abnormal menstrual cycle, anovulation, infertility, acne, hirsutism, obesity, hyperlipidemia, and cardiovascular disorders. Because resveratrol decreases testosterone levels, it may be of value in treating PCOS. We aimed to evaluate the efficacy of resveratrol in treating women with PCOS. We searched for randomized clinical trials (RCTs) in PubMed, Cochrane CENTRAL, Scopus and Web of Science. With 95% confidence intervals, the data was retrieved and analyzed as a mean difference (MD) or a standardized mean difference (SMD). Four RCTs with 218 women were included in the analysis. Resveratrol significantly reduced testosterone (SMD = -0.40; 95% CI [-0.71, -0.10], P = 0.009), luteinizing hormone (LH) (SMD = -0.32; 95% CI [-0.62, 0.01], P = 0.04), and dehydroepiandrosterone sulfate (DHEAS) (MD = -0.85; 95% CI [-1.25, -0.45], P < 0.0001) compared with the placebo.

    Meta-AnalysisPubMedVery High Quality
  • Efficacy and safety of dietary polyphenol supplementation in the treatment of non-alcoholic fatty liver disease: A systematic review and meta-analysis.

    Yang K, Chen J, Zhang T, Yuan X, Ge A, Wang S · Frontiers in immunology · 2022 · n=173

    Dietary polyphenol treatment of non-alcoholic fatty liver disease (NAFLD) is a novel direction, and the existing clinical studies have little effective evidence for its therapeutic effect, and some studies have inconsistent results. The effectiveness of dietary polyphenols in the treatment of NAFLD is still controversial. The aim of this study was to evaluate the therapeutic efficacy of oral dietary polyphenols in patients with NAFLD. The literature (both Chinese and English) published before 30 April 2022 in PubMed, Cochrane, Medline, CNKI, and other databases on the treatment of NAFLD with dietary polyphenols was searched. Manual screening, quality assessment, and data extraction of search results were conducted strictly according to the inclusion and exclusion criteria. RevMan 5.3 software was used to perform the meta-analysis. The RCTs included in this study involved dietary supplementation with eight polyphenols (curcumin, resveratrol, naringenin, anthocyanin, hesperidin, catech

    Meta-AnalysisPubMedVery High Quality

Systematic Reviews(1)

Structured reviews of the full body of evidence (incl. Cochrane).

Very High Quality
  • Polyphenol Intervention Ameliorates Non-Alcoholic Fatty Liver Disease: An Updated Comprehensive Systematic Review.

    Ranneh Y, Bedir AS, Abu-Elsaoud AM, Al Raish S · Nutrients · 2024

    Non-alcoholic fatty liver disease (NAFLD) has recently emerged as a challenging metabolic disorder with a strong emphasis on its prevention and management. Polyphenols, a group of naturally occurring plant compounds, have been associated with a decreased risk of various metabolic disorders related to NAFLD. The current systematic review aims to critically assess evidence about the ameliorative effect of polyphenol supplementation on NAFLD patients. A PRISMA systematic search appraisal was conducted in PubMed, Scopus, Web of Science Core Collection, and all relevant studies published prior to April 2024 and met the inclusion criteria were included. Twenty-nine randomized clinical trials (RCTs) comprised 1840 NAFLD patients. The studies primarily examined eleven phenolic compounds, including turmeric, curcumin, resveratrol, genistein, catechin, green tea extract, hesperidin, and silymarin. Turmeric and curcumin decreased liver enzymes, inflammatory cytokines, lipid profile, insulin resis

    Systematic ReviewPubMedVery High Quality

Randomized Human Trials(2)

Controlled human studies with random assignment.

High Quality
  • Effects of Mediterranean Diet, Curcumin, and Resveratrol on Mild-to-Moderate Active Ulcerative Colitis: A Multicenter Randomized Clinical Trial.

    Erol Doğan Ö, Karaca Çelik KE, Baş M, Alan EH, Çağın YF · Nutrients · 2024

    This study aimed to investigate the effects of the Mediterranean diet (MD), combined with curcumin and resveratrol supplementation, on disease activity, serum inflammatory markers, and quality of life in patients with mild-to-moderate active ulcerative colitis (UC). This study was designed as a prospective multicenter three-arm randomized controlled trial. Participants were randomized to the MD, MD + curcumin, and MD + resveratrol groups. All participants were placed on the MD for 8 weeks. The MD + curcumin group also received 1600 mg/day of curcumin supplementation, whereas the MD + resveratrol group received 500 mg/day of resveratrol supplementation for 8 weeks. Anthropometric measurements, Truelove-Witts Index, Short Form-36, Inflammatory Bowel Disease Questionnaire, Mediterranean Diet Adherence Scale (MEDAS), and laboratory tests were performed at baseline and postintervention. Within-group comparisons showed that MD, MD + curcumin, and MD + resveratrol interventions were effective

    Randomized TrialPubMedHigh Quality
  • Regular Supplementation With Resveratrol Improves Bone Mineral Density in Postmenopausal Women: A Randomized, Placebo-Controlled Trial.

    Wong RH, Thaung Zaw JJ, Xian CJ, Howe PR · Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research · 2020

    Resveratrol, a naturally occurring polyphenol in red grapes and berries, can act as a phytoestrogen. It has been shown to improve both systemic and cerebral circulatory functions, possibly through activation of endothelial estrogen receptors. in vitro and in vivo studies in rodent models also indicate a bone-protective role for resveratrol, particularly in ovariectomized rat models that mimic postmenopausal osteoporosis caused by estrogen deficiency. Hypothesizing a circulatory benefit of resveratrol in bone tissue, we investigated whether resveratrol supplementation could improve bone health in postmenopausal women. The Resveratrol for Healthy Aging in Women (RESHAW) trial was a 24-month randomized, double-blind, placebo-controlled, two-period crossover intervention conducted to evaluate the effects of resveratrol (75 mg twice daily) on cognition, cerebrovascular function, bone health, cardiometabolic markers, and well-being in postmenopausal women. After 12 months of su

    Randomized TrialPubMedHigh Quality

Observational Studies(6)

Cohort, case-control, and cross-sectional human studies.

Moderate Quality
  • Dietary supplements and prevention of preeclampsia.

    Ushida T, Tano S, Matsuo S, Fuma K, Imai K, Kajiyama H · Hypertension research : official journal of the Japanese Society of Hypertension · 2025

    Preeclampsia (PE) is a common pregnancy complication characterized by hypertension, proteinuria, and end-organ dysfunction. However, to date, no effective treatment has been established other than iatrogenic delivery, and the importance of prevention as an alternative approach to addressing PE has been emphasized. There is growing evidence on the effectiveness of pharmacological and non-pharmacological prophylaxis in preventing PE. In this review, we focused on dietary supplements as non-pharmacological prophylaxis for PE. Calcium is a well-documented supplement for the prevention of PE. Daily 500 mg calcium supplementation can roughly halve the risk of PE in settings where calcium intake is low, including in Japan. According to recent systematic reviews and network meta-analyses, current evidence on the efficacy of vitamin D supplementation is inconsistent. Although vitamin D is a candidate for the prevention of PE, future large-scale randomized control trials are necessary to

    Observational StudyPubMedLow Quality
  • Pharmacological landscape of endoplasmic reticulum stress: Uncovering therapeutic avenues for metabolic diseases.

    Alotaibi G, Alkhammash A · European journal of pharmacology · 2025

    The endoplasmic reticulum (ER) plays a fundamental role in maintaining cellular homeostasis by ensuring proper protein folding, lipid metabolism, and calcium regulation. However, disruptions to ER function, known as ER stress, activate the unfolded protein response (UPR) to restore balance. Chronic or unresolved ER stress contributes to metabolic dysfunctions, including insulin resistance, non-alcoholic fatty liver disease (NAFLD), and neurodegenerative disorders such as Parkinson's disease and Alzheimer's disease. Recent studies have also highlighted the importance of mitochondria-ER contact sites (MERCs) and ER-associated inflammation in disease progression. This review explores the current pharmacological landscape targeting ER stress, focusing on therapeutic strategies for rare metabolic and neurodegenerative diseases. It examines small molecules such as tauroursodeoxycholic acid (TUDCA) and 4-phenylbutyric acid (4-PBA), repurposed drugs like 17-AAG (17-N-allylamino-17demethoxygeld

    Observational StudyPubMedLow Quality
  • Impact of curcumin, quercetin, or resveratrol on the pathophysiology of endometriosis: A systematic review.

    Hipólito-Reis M, Neto AC, Neves D · Phytotherapy research : PTR · 2022

    Endometriosis, a gynecological disease that affects reproductive age women is difficultly controlled in the long term by currently available treatments, prompting patients to adopt self-controlled interventions including dietary changes. The aim of this review is to provide evidence of how curcumin, quercetin, and resveratrol can act as natural interventions to control endometriosis. The review followed PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines. A comprehensive search was carried out in PubMed, Scopus, and Web of Science to gather together all the articles that study the specific actions of curcumin, resveratrol, or quercetin in endometriosis pathophysiology. All types of study designs including experimental data were considered. Thirty articles, including a clinical trial, were included. For the assessment of the quality of the selected studies that globally have "good quality", the GRADE (Grading of Recommendations Assessment, Development

    Observational StudyPubMedLow Quality

Clinical Trial Registries(3)

Registered ongoing or completed trials (ClinicalTrials.gov).

Moderate Quality
  • Prospective Open Randomized Controlled Trial on the Effectiveness and Tolerability of Trans-resveratrol (derived from Polygonum Cuspidatum Root Extr.) on the Development of CHF in Postmenopausal Women with HTN and Reduced BMD

    n=80 · NCT06828211 · ACTIVE_NOT_RECRUITING · ACTIVE_NOT_RECRUITING

    1. To measure the ability of trans-resveratrol to influence the development of chronic heart failure (CHF) in women in the early postmenopausal period (1-4 years) with hypertension (HTN) and reduced bone mineral density (BMD). 2. To evaluate the safety of long-term use of trans-resveratrol in an amount of 500 mg per day. 3. To develop modern measures to influence the development of CHF in women of this group

    Clinical TrialClinicalTrials.govModerate Quality
  • Resveratrol and Human Hepatocyte Function in Cancer

    NCT02261844 · WITHDRAWN · WITHDRAWN

    The purpose of this study is to determine if Resveratrol, a nutritional supplement, shows a beneficial effect in the cellular function of normal liver cells and diseased liver cells (cancer cells) in samples of liver tissue taken during elective liver surgery. Outcomes based on 3 measures will test the hypothesis that Resveratrol when used as a nutritional supplement will 1)improve metabolic function in liver cells, 2)reduce cellular growth and proliferation of cancer cells, 3)decrease inflammation in the liver.

    Clinical TrialClinicalTrials.govModerate Quality
  • Combined Rehabilitation With ALA, ALC, Resveratrol and Vitamin D in Discogenic Sciatica in Young People

    n=130 · NCT06078163 · COMPLETED · COMPLETED

    The objective of this Interventional case-control clinical study is to evaluate the effectiveness of physiotherapy combined with the administration of Alpha Lipoic Acid, L-acetylcarnitine, Resvelatrol, Vit D3 in the treatment of sciatica due to herniated disc in young patients. The main questions we intend to answer are: * Is this combined treatment more effective in reducing pain? * Is the combined treatment useful for improving postural alterations, reducing the intake of painkillers and the number of days of absence from work and improving the quality of life?

    Clinical TrialClinicalTrials.govModerate Quality

Limitations: Existing human trials often suffer from small sample sizes, heterogeneity in doses and formulations, and varied outcome measures. Further limitations include a lack of long-term studies to assess sustained effects and potential for publication bias. Many proposed mechanisms are derived from in vitro or animal models, which may not translate directly to human physiology.

This page is educational. Statements use phrases like "may support" and "has been studied for"because no remedy here is approved to cure, treat, or reverse any condition. Discussion happens on the ailment pages — community statistics here are derived from those reports. Always consult a qualified clinician.

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