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ResveratrolRich Super Strength Resveratrol Concentrate

Natural Factors
4.7
★ ★ ★ ★ ★
(3246 ratings)
Resveratrol 500 mg
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Score72
A useful disclosed trans-resveratrol amount offers good value, but a larger proprietary blend and missing source details weaken transparency.
How scoring works
Quantity:60 Capsule(s) • (60 servings)
Goals:
Anti-Inflammatory Support
Anti-Aging
Cardiovascular Support
Metabolism Boost

Score 72

A useful disclosed trans-resveratrol amount offers good value, but a larger proprietary blend and missing source details weaken transparency.
How scoring works
$27.97($0.46 per serving)
iHerb
$ 27.97
Vitacost
$ 27.97
Amazon
$ 27.97
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Analysis

A 250 mg natural trans-resveratrol amount provides meaningful focused depth. The one-capsule serving is straightforward and backed by extensive consumer use.

The 500 mg ResveratrolRich blend does not reveal its components or their individual quantities. Botanical source, purity, and any removal of unwanted knotweed compounds are also absent.

Low routine cost supports accessibility, but the hidden blend reduces confidence in what the rest of the serving contributes. Users seeking a transparent single active can find clearer alternatives.

Who is it for
  • Adults seeking a moderate trans-resveratrol amount
  • Budget-conscious users
  • People comfortable with a proprietary blend
Best for
  • Daily resveratrol use
  • General polyphenol support
  • A one-capsule routine

Pros

  • Provides 250 mg trans-resveratrol
  • Convenient capsule
  • Good routine value
  • Large consumer-use history

Cons

  • Proprietary blend components are hidden
  • Resveratrol source is unspecified
  • Purity is not stated
  • No absorption support

Warnings

  • Resveratrol may increase bleeding tendency with anticoagulant or antiplatelet medicines
  • Check the proprietary blend if you have botanical allergies

Nutrient quality

80 Highest impact

Natural trans-resveratrol is clearly identified, but the standard capsule lacks enhanced delivery and formal purity data. The disclosed trans-resveratrol yield provides a substantial supportive amount.

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Ingredient transparency

61 Moderate impact

The active trans-resveratrol yield is stated, while other blend components lack individual amounts. Usage and inactive-ingredient details remain incomplete.

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Customer satisfaction

72 High impact

The average rating is consistently strong. The very large feedback pool makes the average highly dependable.

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Value for money

77 High impact

The substantial active yield reasonably supports the price. Serving value is favorable for the disclosed trans-resveratrol amount.

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Report analysis

Goals

Anti-Inflammatory Support
Anti-Inflammatory Support
Impact
High effect
B Goal FitA- Strength of SupportC CoverageA Formula Quality

Natural trans-resveratrol may influence NF-kB and related cytokine signaling while adding antioxidant support. The clearly stated active yield reaches a meaningful supplemental amount.

Separating total blend weight from trans-resveratrol content improves dose transparency. A standard capsule without enhanced delivery, a named source, or emodin verification limits the otherwise focused formula.

Study evidence
Resveratrol Supportive 34 studies
Anti-Aging
Anti-Aging
Impact
High effect
B- Goal FitB+ Strength of SupportC+ CoverageA Formula Quality

Trans-resveratrol targets vascular, metabolic, and oxidative pathways often discussed in healthy aging. Human evidence supports selected endothelial and metabolic markers, but broader healthspan claims remain uncertain.

The label clearly separates the blend amount from its substantial natural trans-resveratrol yield. A standard capsule and missing botanical source, purity standard, and emodin verification limit confidence in absorption and refinement.

Study evidence
Resveratrol No effect 7 studies
Cardiovascular Support
Cardiovascular Support
Impact
High effect
C+ Goal FitB+ Strength of SupportC+ CoverageB+ Formula Quality

Trans-resveratrol may support endothelial nitric oxide and antioxidant protection of blood vessels. Its cardiovascular relevance is credible, although human effects on blood pressure and other markers are variable.

The active trans-resveratrol yield is substantial and clearly stated within the larger blend. A standard capsule and missing purity percentage or botanical-source detail leave absorption and contaminant control less certain.

Study evidence
Resveratrol Supportive 73 studies
Metabolism Boost
Metabolism Boost
Impact
High effect
C+ Goal FitB- Strength of SupportC+ CoverageB+ Formula Quality
Resveratrol · 250 mg

A clearly stated trans-resveratrol amount may support mitochondrial and insulin-signaling pathways. Human evidence for changes in energy expenditure is mixed, and part of the formula sits inside a proprietary blend.

The disclosed trans-resveratrol provides useful depth despite incomplete blend transparency. The formula remains focused, but the blend makes supporting ingredients harder to judge.

Study evidence
Resveratrol Supportive 21 studies
Skin Health
Skin Health
Impact
Moderate effect
C- Goal FitC+ Strength of SupportD- CoverageB- Formula Quality
Resveratrol · 250 mg

Natural trans-resveratrol provides a meaningful antioxidant amount that may support skin stress defenses. The broader resveratrol blend may add related plant compounds.

The proprietary portion does not reveal each component or its active contribution. No collagen, hydration active, or complementary skin cofactor expands the formula beyond antioxidant support.

Study evidence
Resveratrol Supportive 7 studies

Ingredients

IngredientAmount per serving
ResveratrolRich Proprietary Blend
500 mg
Natural Trans-Resveratrol
250 mg
Gluten Free Adults 18–50 Vegan Dairy Free Sugar Free Vegetarian
Report overview
Resveratrol · 500 mg OverallScore79
B- Active Ingredient Quality & BioavailabilityA Dose, Safety & Label TransparencyB Value

The proprietary blend clearly discloses a substantial yield of natural trans-resveratrol within the preferred daily range. The label supports a defined active yield, but the standard capsule lacks advanced absorption technology and does not state a high purity percentage. Cost efficiency is favorable, while the unspecified botanical source leaves emodin-related verification incomplete.

View ingredientView products
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83 Performance

High Potency Trans-Resveratrol 600 mg

Doctor's Best
<p>Its ingredient profile and goal alignment make it a stronger formulation-focused alternative. A high amount of clearly identified trans-resveratrol provides strong depth at a favorable cost. Basic capsule delivery and missing purity and emodin-removal details limit refinement, while the high dose may increase stomach upset or bleeding tendency with anticoagulant or antiplatelet medicines.</p>
81 Performance

Resveratrol 250 mg with Red Wine Extract

Solgar
<p>Its ingredient profile and goal alignment make it a stronger formulation-focused alternative. A meaningful trans-resveratrol amount in a fat-containing softgel offers better delivery potential than a plain powder capsule. The larger package improves serving value, although purity details remain incomplete and resveratrol may add bleeding risk with anticoagulant or antiplatelet medicines.</p>
80 Performance

TransMax TR

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<p>Its ingredient profile and goal alignment make it a stronger formulation-focused alternative. MicroActive delivery directly addresses resveratrol absorption while providing a substantial trans-resveratrol amount. The high price buys meaningful delivery technology, but missing purity and emodin-removal details leave tolerability uncertainty for the knotweed source.</p>
80 Budget

Resveratrol 100 mg

Life Extension
<p>The lower serving cost makes this a more economical alternative. Trans-resveratrol from grape and knotweed plus quercetin creates a focused antioxidant combination at a low serving cost. Duplicate source entries make the total active amount unclear, and missing purity and emodin-removal details limit dose and tolerability confidence.</p>
80 Budget

Resveratrol Plus

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<p>The lower serving cost makes this a more economical alternative. A supportive trans-resveratrol dose is paired with grape and pine polyphenols for broader antioxidant coverage. The economical large format improves value, though incomplete standardization and knotweed without emodin-removal verification leave potency and tolerability uncertainty.</p>
79 Budget

Resveratrol

NutraMedix
<p>The lower serving cost makes this a more economical alternative. Clearly named trans-resveratrol and red-wine polyphenols form a focused antioxidant formula at useful amounts. Standard capsule delivery, incomplete purity details, and missing emodin-removal verification leave absorption and tolerance uncertainty.</p>
78 Value

Resveratrol 100 mg

Jarrow Formulas
<p>The balance of ingredient quality and serving economy makes it a stronger value choice. A long supply of resveratrol and vitamin C offers economical, modest antioxidant support. Unconfirmed trans-isomer content, standard capsule delivery, and missing emodin-removal detail limit confidence in effective exposure.</p>
72 Value

Resveratrol With Pterostilbene 100 mg

Life Extension
<p>The balance of ingredient quality and serving economy makes it a stronger value choice. Trans-resveratrol and quercetin provide useful antioxidant support, but the repeated resveratrol entries make the total active amount ambiguous. Trace pterostilbene adds little practical value, while knotweed without emodin-removal verification may cause loose stools in sensitive users.</p>
72 Value

Resveratrol

youtheory
<p>The balance of ingredient quality and serving economy makes it a stronger value choice. A useful trans-resveratrol amount provides meaningful antioxidant coverage at an efficient serving cost. Pressed-tablet delivery, missing emodin verification, and an opaque fruit blend are the main limitations.</p>
Report alternatives

Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. Effects of resveratrol on memory performance, hippocampal functional connectivity, and glucose metabolism in healthy older adults.
    Witte AV; Kerti L; Margulies DS; Flöel A · The Journal of neuroscience : the official journal of the Society for Neuroscience · 2014
    Randomized trial46 participantsAnti-Aging forResveratrol
  2. Effects of resveratrol on memory performance, hippocampus connectivity and microstructure in older adults - A randomized controlled trial.
    Huhn S; Beyer F; Zhang R; Lampe L; Grothe J; Kratzsch J; Willenberg A; Breitfeld J; Kovacs P; Stumvoll M; Trampel R; Bazin PL; Villringer A; Witte AV · NeuroImage · 2019
    Randomized trial60 participantsAnti-Aging forResveratrol
  3. Resveratrol levels and all-cause mortality in older community-dwelling adults.
    Semba RD; Ferrucci L; Bartali B; Urpí-Sarda M; Zamora-Ros R; Sun K; Cherubini A; Bandinelli S; Andres-Lacueva C · JAMA internal medicine · 2014
    Cohort study783 participantsAnti-Aging forResveratrol
  4. Impact of Resveratrol Supplementation on Human Sirtuin 1: A Grading of Recommendations Assessment, Development and Evaluation-Assessed Systematic Review and Dose-Response Meta-Analysis of Randomized Controlled Trials.
    Mansouri F; Feliziani G; Bordoni L; Gabbianelli R · Journal of the Academy of Nutrition and Dietetics · 2025
    Meta-analysis11 studies pooledAnti-Aging forResveratrol
  5. Trans-resveratrol reduces visible signs of skin ageing in healthy adult females over 40: an 8-week randomized placebo-controlled trial.
    Rao A; Briskey D; Roche G; Tremblay A; Da Silva Pinto M; Tompkins TA · Frontiers in aging · 2026
    Randomized trial134 participantsAnti-Aging Skin Health forResveratrol
  6. Role of resveratrol supplementation in regulation of glucose hemostasis, inflammation and oxidative stress in patients with diabetes mellitus type 2: A randomized, placebo-controlled trial.
    Mahjabeen W; Khan DA; Mirza SA · Complementary therapies in medicine · 2022
    Randomized trial110 participantsAnti-Inflammatory Support forResveratrol
  7. Resveratrol decreases local inflammatory markers and systemic endotoxin in patients with aggressive periodontitis.
    Zhang Q; Xu S; Xu W; Zhou Y; Luan H; Wang D · Medicine · 2022
    Randomized trial160 participantsAnti-Inflammatory Support forResveratrol
  8. Effects of resveratrol supplementation on inflammatory markers, fatigue scale, fasting blood sugar and lipid profile in relapsing-remitting multiple sclerosis patients: a double-blind, randomized placebo-controlled trial.
    Keramatzadeh S; Hosseini SA; Majdinasab N; Cheraghian B; Zilaee M · Nutritional neuroscience · 2025
    Randomized trial55 participantsAnti-Inflammatory Support forResveratrol
  9. One-year consumption of a grape nutraceutical containing resveratrol improves the inflammatory and fibrinolytic status of patients in primary prevention of cardiovascular disease.
    Tomé-Carneiro J; Gonzálvez M; Larrosa M; Yáñez-Gascón MJ; García-Almagro FJ; Ruiz-Ros JA; García-Conesa MT; Tomás-Barberán FA; Espín JC · The American journal of cardiology · 2012
    Randomized trial75 participantsAnti-Inflammatory Support forResveratrol
  10. Effects of resveratrol supplementation on risk factors of non-communicable diseases: A meta-analysis of randomized controlled trials.
    Guo XF; Li JM; Tang J; Li D · Critical reviews in food science and nutrition · 2019
    Meta-analysis1,069 participants29 studies pooledAnti-Inflammatory Support forResveratrol
  11. Consumption of a grape extract supplement containing resveratrol decreases oxidized LDL and ApoB in patients undergoing primary prevention of cardiovascular disease: a triple-blind, 6-month follow-up, placebo-controlled, randomized trial.
    Tomé-Carneiro J; Gonzálvez M; Larrosa M; García-Almagro FJ; Avilés-Plaza F; Parra S; Yáñez-Gascón MJ; Ruiz-Ros JA; García-Conesa MT; Tomás-Barberán FA; Espín JC · Molecular nutrition & food research · 2012
    Randomized trial75 participantsCardiovascular Support forResveratrol
  12. Resveratrol improves lipid profile and recovers heart function in postoperative CABG patients.
    Ahmadi P; Akbarzadeh S; Alizadeh M; Mohammadi N; Mahmoodi M; Amini A; Netticadan T; Rezaei M; Movahed A · Molecular and cellular biochemistry · 2025
    Randomized trial60 participantsCardiovascular Support forResveratrol
  13. Resveratrol Supplementation and its Potential Benefits in Obesity-related Non-communicable Diseases.
    Shen CY; Li CP; Yu JT; Ho YJ; Tsai RY · In vivo (Athens, Greece) · 2026
    Meta-analysis2,551 participants40 studies pooledCardiovascular Support forResveratrol
  14. Chronic resveratrol consumption improves brachial flow-mediated dilatation in healthy obese adults.
    Wong RH; Berry NM; Coates AM; Buckley JD; Bryan J; Kunz I; Howe PR · Journal of hypertension · 2014
    Randomized trial28 participantsCardiovascular Support forResveratrol
  15. Effect of resveratrol supplementation on lipid profile in subjects with dyslipidemia: A randomized double-blind, placebo-controlled trial.
    Simental-Mendía LE; Guerrero-Romero F · Nutrition (Burbank, Los Angeles County, Calif.) · 2020
    Randomized trial71 participantsCardiovascular Support forResveratrol
  16. Effects of resveratrol on glucose control and insulin sensitivity in subjects with type 2 diabetes: systematic review and meta-analysis.
    Zhu X; Wu C; Qiu S; Yuan X; Li L · Nutrition & metabolism · 2022
    Meta-analysis283 participants9 studies pooledMetabolism Boost forResveratrol
  17. Effects of resveratrol supplementation on multiple health outcomes: an umbrella review of systematic reviews and meta-analyses of randomized controlled trials.
    Sun JN; Yang R; Fang L; Li YJ; Xing WY; Sun ML; Wu L; Wu QJ; Gong TT · Nutrition journal · 2026
    Meta-analysis45 studies pooledMetabolism Boost forResveratrol
  18. Resveratrol improves insulin resistance, glucose and lipid metabolism in patients with non-alcoholic fatty liver disease: a randomized controlled trial.
    Chen S; Zhao X; Ran L; Wan J; Wang X; Qin Y; Shu F; Gao Y; Yuan L; Zhang Q; Mi M · Digestive and liver disease : official journal of the Italian Society of Gastroenterology and the Italian Association for the Study of the Liver · 2015
    Randomized trial60 participantsMetabolism Boost forResveratrol
  19. Supplementation with resveratrol modified gut microbiota improving insulin sensitivity and lipid metabolism in subjects with obesity and insulin resistance.
    Guevara-Cruz M; Sánchez-Tapia M; Velazquez-Villegas LA; Torre-Villalvazo I; Guizar-Heredia R; Godínez-Salas E; López-Barradas A; Granados O; Torres-Villalobos G; Torres N; Tovar AR · European journal of nutrition · 2026
    Randomized trial32 participantsMetabolism Boost forResveratrol
  20. Efficacy of Resveratrol Supplementation on Glucose and Lipid Metabolism: A Meta-Analysis and Systematic Review.
    Zhou Q; Wang Y; Han X; Fu S; Zhu C; Chen Q · Frontiers in physiology · 2022
    Meta-analysis1,171 participants25 studies pooledMetabolism Boost forResveratrol
  21. Efficacy and safety of Resveratrol combined with Ablative Fractional CO2 laser system in the treatment of skin photoaging.
    Du YM; Zeng J; Li M; Wang YB; Wu Y; Qi RQ; Gao XH; Chen HD · Journal of cosmetic dermatology · 2021
    Non-randomized trial32 participantsSkin Health forResveratrol
  22. Exploring resveratrol-enriched collagen dressings for diabetic foot ulcers: A retrospective study of wound healing outcomes.
    Sezikli İ; Kendirci M · Journal of tissue viability · 2025
    Cohort study41 participantsSkin Health forResveratrol
  23. Enhanced antioxidant effect of trans-resveratrol: potential of binary systems with polyethylene glycol and cyclodextrin.
    Moyano-Mendez JR; Fabbrocini G; De Stefano D; Mazzella C; Mayol L; Scognamiglio I; Carnuccio R; Ayala F; La Rotonda MI; De Rosa G · Drug development and industrial pharmacy · 2016
    Clinical trialSkin Health forResveratrol
  24. Resveratrol-Loaded Lipid Nanocarriers: Correlation between In Vitro Occlusion Factor and In Vivo Skin Hydrating Effect.
    Montenegro L; Parenti C; Turnaturi R; Pasquinucci L · Pharmaceutics · 2020
    Clinical trial12 participantsSkin Health forResveratrol