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Optimized Resveratrol
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Verified by IngredientMD/Life Extension/Optimized Resveratrol
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Optimized Resveratrol.

Stronger in a pairLife Extension, verified Oct 2026Formula verified. Independently reviewed.Independent review. Not commissioned by Life Extension.

trans-resveratrol is the lead active here, studied most for ageing well. In the 222 mg Resveratrol Elite™ Proprietary Blend with three others, listed first. 10 human studies on trans-resveratrol back this formula, each one cited. Who it fits: for everyone, adults.

Clinically dosedFull label disclosure
8Active ingredients56Human studies
Optimized ResveratrolVerified by IngredientMD
Life ExtensionIngredientMD
The verdict
Stronger in a pair
For everyone, adults.
How we verify

The brand submits the formula. We read the supplement facts panel and weigh dose, form and synergy against the clinical evidence. Labs test. IngredientMD verifies. The fee pays for review time, never for the outcome.

The formula
Resveratrol Elite™ Proprietary Blend: A 222 mg blend of four ingredients, listed by weight.Well studied
trans-resveratrol: Ageing well. In the 222 mg Resveratrol Elite™ Proprietary Blend with three others, listed first.Key driver
Japanese knotweed (root): Ageing well. In the 222 mg Resveratrol Elite™ Proprietary Blend with three others, listed second.Supporting role
galactomannans: Cholesterol already in the normal range. In the 222 mg Resveratrol Elite™ Proprietary Blend with three others, listed third.Supporting role
Fenugreek (seed): Cholesterol already in the normal range. In the 222 mg Resveratrol Elite™ Proprietary Blend with three others, listed fourth.Well studied
Bio-Quercetin® Proprietary Blend: A 9 mg blend of two ingredients, listed by weight.Well studied
quercetin: Clearing worn out cells. In the 9 mg Bio-Quercetin® Proprietary Blend with one other, listed first.Well studied
Japanese sophora concentrate (flower bud): Comfortable breathing. In the 9 mg Bio-Quercetin® Proprietary Blend with one other, listed second.Supporting role

How we read this product

Source: Supplement facts
Supplement Facts panel for Optimized Resveratrol
  1. 01
    We read the label.

    The panel on the left is the one we evaluated, line by line.

  2. 02
    Every active, separately.

    All 8 actives checked against the clinical evidence: dose, form, and what the research actually shows.

  3. 03
    Then the formula as a whole.

    Doses, ratios, and how the ingredients work together. That assessment is the verdict above: "Stronger in a pair".

  4. 04
    Earned, not bought.

    The verdict is public and identical whether or not a brand pays. A formula that does not clear the bar gets nothing.

Read by the engine against 2.1 million data points from clinical trials, PubMed and more than a hundred vetted sources. No individual reviewer is named or implied.

The receipts

56
Human studies
222 mg per serving sits inside the studied 150 mg-500 mg range
Resveratrol Elite™ Proprietary Blend, Timmers 2011 + Bhatt 2012 metabolic studies

Cross-checked against 1,556 documented interactions for these actives.

Read the evidenceResveratrol Elite™ Proprietary Blend, the evidence →trans-resveratrol, the evidence →Japanese knotweed (root), the evidence →galactomannans, the evidence →Fenugreek (seed), the evidence →Bio-Quercetin® Proprietary Blend, the evidence →

Inside the formula

Resveratrol Elite™ Proprietary Blend
17 studies
A 222 mg blend of four ingredients, listed by weight.
Well studied
trans-resveratrol
10 studies
Ageing well. In the 222 mg Resveratrol Elite™ Proprietary Blend with three others, listed first.
Key driver
Japanese knotweed (root)
Ageing well. In the 222 mg Resveratrol Elite™ Proprietary Blend with three others, listed second.
Supporting role
galactomannans
Cholesterol already in the normal range. In the 222 mg Resveratrol Elite™ Proprietary Blend with three others, listed third.
Supporting role
Fenugreek (seed)
Cholesterol already in the normal range. In the 222 mg Resveratrol Elite™ Proprietary Blend with three others, listed fourth.
Well studied
Bio-Quercetin® Proprietary Blend
16 studies
A 9 mg blend of two ingredients, listed by weight.
Well studied
quercetin
16 studies
Clearing worn out cells. In the 9 mg Bio-Quercetin® Proprietary Blend with one other, listed first.
Well studied
Japanese sophora concentrate (flower bud)
Comfortable breathing. In the 9 mg Bio-Quercetin® Proprietary Blend with one other, listed second.
Supporting role
In context

The gap this formula speaks to.

Public health figures the engine matched to this formula's ingredients. Reported by their source, cited and dated, never written by the brand.

The people it speaks toFieldwork 2024

Nearly 3 in 4 US adults

felt very tired or exhausted at least some days in the past three months, in the 2024 National Health Interview Survey.

CDC National Center for Health Statistics, 2026
The people it speaks toFieldwork 2022

13.9% of US adults aged 65 and over

met the federal physical activity guidelines for both aerobic and muscle-strengthening activity in 2022, in the National Health Interview Survey.

CDC National Center for Health Statistics, 2024
The people it speaks toFieldwork 2019

57% of older US adults

, aged 60 and over, rank staying active with their interests and activities among their top priorities, in a 2019 national survey of older Americans.

Ipsos and the National Council on Aging, 2019
The people it speaks toFieldwork 2019

64% of US adults aged 60 and over

report being very or somewhat worried about their physical health, in a 2019 national survey of older Americans.

Ipsos and the National Council on Aging, 2019
38 more
The people it speaks to

30.5% of US adults

slept less than 7 hours on average in a 24-hour period in 2024, in the National Health Interview Survey.

CDC National Center for Health Statistics, 2026
Daily use

59 to 66 days

was the median time it took adults to make a new daily health habit automatic across the studies a 2024 review pooled, with individuals ranging from 4 to 335 days.

Systematic review and meta-analysis, 2024
Resveratrol Elite™ Proprietary Blend

Meta-analysis, 2022

Pooling 17 trials, resveratrol raised flow-mediated dilation, a measure of how well arteries widen, by about 1.4 percentage points.

Phytotherapy Research
quercetin

Randomised trial, 2016

In a crossover trial of 22 men with borderline-high uric acid, 500 mg of quercetin daily lowered blood uric acid by about 27 micromol versus placebo.

British Journal of Nutrition
trans-resveratrol

Systematic review, 2025

Pooled trials in older women reported modest improvements in bone mineral density and some cardiometabolic markers with resveratrol supplementation.

Frontiers in pharmacology
Resveratrol Elite™ Proprietary Blend

Meta-analysis, 2025

Pooling 18 reviews, resveratrol produced small reductions in body weight, BMI and waist size, reaching significance mainly at doses above 400 mg a day used for more than 12 weeks.

Eat Weight Disord
galactomannans

Randomised trial, 2018

In Chinese adults with raised blood sugar, a galactomannan-based supplement taken before meals lowered post-meal glucose peaks compared with placebo in a proof-of-concept study.

BMC endocrine disorders
Resveratrol Elite™ Proprietary Blend

Randomised trial, 2020

In a 24-month trial in 125 postmenopausal women, 75 mg twice daily improved overall cognitive performance by about 33% and raised resting cerebral blood flow.

Clinical Nutrition
trans-resveratrol

Randomised trial, 2025

In healthy women over 40, eight weeks of trans-resveratrol reduced visible signs of skin ageing such as wrinkle appearance compared with placebo.

Frontiers in aging
quercetin

Randomised trial, 2020

Supplementation improved recovery of neuromuscular function after a muscle-damaging exercise protocol compared with placebo.

Nutrients
Japanese knotweed (root)

Randomised trial, 2014

Healthy older adults taking about 200 mg of resveratrol for 26 weeks remembered more words on a memory test and showed stronger brain connectivity than those on placebo.

The Journal of neuroscience
quercetin

Meta-analysis, 2016

Pooling seven trials in 587 people, quercetin lowered systolic blood pressure by about 3 mmHg and diastolic by about 2.6 mmHg, with a bigger effect at 500 mg daily or more.

Journal of the American Heart Association
quercetin

Meta-analysis, 2020

Across 17 trials in 896 adults, quercetin lowered the top blood pressure number by about 3.1 mmHg and the bottom number by about 2.9 mmHg, with no significant change in lipids or glucose.

Nutr Rev
quercetin

Meta-analysis, 2023

An umbrella review of five meta-analyses found quercetin lowered systolic blood pressure by about 1.9 mmHg and lowered insulin, with no detectable effect on diastolic pressure, lipids, fasting glucose, inflammation markers or body measurements.

Phytother Res
Resveratrol Elite™ Proprietary Blend

Meta-analysis, 2021

Pooling 35 trials, resveratrol lowered C-reactive protein, a blood marker of inflammation, by roughly 0.3 to 0.4 mg/L.

Phytotherapy Research
Resveratrol Elite™ Proprietary Blend

Meta-analysis, 2026

An umbrella review of 45 systematic reviews rated four findings as high certainty: resveratrol reduced waist circumference by about 0.8 cm, total cholesterol by 0.19 mmol/L in adults with excess weight, and diastolic and systolic blood pressure by about 3.6 and 8.0 mmHg in adults with elevated blood sugar.

Nutr J
trans-resveratrol

Systematic review, 2026

The review pooled the human literature on anthocyanins, curcumin and resveratrol and reports effects on metabolic measures that vary by compound, dose and study duration.

Molecules
Japanese knotweed (root)

Randomised trial, 2014

Over twelve weeks in older adults, resveratrol was well tolerated, and the trial did not detect a difference from placebo in the metabolic measures it tracked.

Experimental gerontology
Resveratrol Elite™ Proprietary Blend

Meta-analysis, 2014

Across 11 trials in 388 adults, resveratrol lowered fasting blood sugar, HbA1c and insulin resistance in those with raised blood sugar, with no measurable change in people whose levels were already normal.

American Journal of Clinical Nutrition
Fenugreek (seed)

Systematic review, 2025

The updated review of human studies reports that fenugreek seed intake was associated with lower fasting blood glucose and glycated haemoglobin readings versus control, with the authors noting heterogeneity across the included studies.

Avicenna Journal of Phytomedicine
quercetin

Meta-analysis, 2022

Pooled randomised trials of quercetin supplementation and reported reductions in systolic and diastolic blood pressure readings, most consistently in participants whose starting pressure was elevated.

Current Problems in Cardiology
Fenugreek (seed)

Systematic review and meta-analysis, 2024

A pooled analysis found fenugreek lowered fasting blood sugar and a long-term sugar marker more than control in adults with high blood sugar.

Heliyon
galactomannans

Randomised trial, 2022

A fisetin hydrogel formulation built on a galactomannan matrix raised plasma fisetin exposure substantially compared with the unformulated compound in healthy adults.

Journal of nutritional science
quercetin

Meta-analysis, 2011

Across 11 trials in 254 people, quercetin produced a statistically significant increase in endurance exercise capacity and VO2max that the authors rate as trivial to small, about 2 percent over placebo.

Medicine and Science in Sports and Exercise
Fenugreek (seed)

Systematic review and meta-analysis, 2023

Pooling seven trials with 449 participants, fenugreek raised total testosterone by a small amount (standardized mean difference 0.32) in male athletes, with no effect shown for female athletes.

International Journal of Sports Medicine
trans-resveratrol

Systematic review, 2025

The systematic review of resveratrol supplementation for retinal endpoints found the supporting work is largely preclinical and calls the human evidence base limited.

Frontiers in Pharmacology
Fenugreek (seed)

Systematic review, 2021

Across the herbs reviewed for their effect on testosterone in men, fenugreek was one of the few with human trial data pointing to a modest rise in circulating testosterone.

Systematic review
trans-resveratrol

Randomised trial, 2017

Trans-resveratrol did not detectably change endothelial function in the fasting state or after a meal compared with placebo.

Nutrients
Japanese knotweed (root)

Randomised trial, 2020

In older adults with excess body weight, the higher resveratrol dose raised a cardiovascular risk biomarker rather than lowering it, which is a marker reading and not an outcome.

Experimental gerontology
Japanese knotweed (root)

Meta-analysis, 2020

Pooling the placebo-controlled trials in adults with raised liver fat, resveratrol did not show a consistent change in liver enzyme or lipid measures, which is a failure to detect a difference rather than proof of none.

Nutrients
trans-resveratrol

Systematic review, 2024

The review of resveratrol and female fertility reports mechanistic and animal support with human data that the authors describe as heterogeneous and insufficient for firm conclusions.

International Journal of Molecular Sciences

Population figures from public health data. Context for the category, not a statement about any individual and not a claim about this product.

What this formula earned

Every one of these is a fact the engine could ground.

Each line below was derived from this formula's own record at the time of verification. Nothing here was written by the brand, and nothing can be added that the evidence does not carry.

  • Studied in people16 human studies on quercetin back this formula, each one cited.
  • A mechanism that is settledHow trans-resveratrol and Japanese knotweed (root) work is settled pharmacology.
  • Studied together, not just separatelytrans-resveratrol and quercetin have been studied together, not only separately.
  • Recent work on the recordThe most recent study on this record was published in 2019.
  • Why this formatIt is a capsule, so the amount per serving is fixed and travels without measuring.
  • The exact form, describedThe label names its forms exactly: Polygonum cuspidatum root extract, standardised, Hu zhang root powder, Guar gum (whole, high-viscosity). The record says what each one is and what it suits.
  • A declared blend totalResveratrol Elite™ Proprietary Blend declares its total, 222 mg per serving, with 4 ingredients listed by weight.
  • Where it comes from and how it is madetrans-resveratrol is made by more than one route.
  • Positions this formula already qualifies forThis formula already qualifies for positions beyond the one it is sold into, on the evidence it carries.
  • A position nobody is holding yetSome of those positions are ones almost nobody is selling to yet.
Studied together

The combinations the trials actually measured.

One pairing in this formula has been studied as a combination in human trials. Each finding below is what a named study measured, cited and dated, never written by the brand.

  • Resveratrol Elite™ Proprietary Blend + quercetinRecovery

    In a double-blind crossover trial, 14 athletes took resveratrol with quercetin for a week before exhaustive exercise. The post-exercise rise in F2-isoprostanes, a lipid peroxidation marker, was 68% with the combination versus 137% with placebo, while inflammation markers and antioxidant capacity were unchanged.

    Early

Research strength. Research strength says how much work stands behind the combination. It is never a product score.

Fail closed. Where actives were studied on their own rather than together, each shows on its own evidence, never a combined effect no trial measured.

Independent record. Every finding is cited to a named trial, dated, and never written by the brand.

Findings from trials that studied these actives as a combination. Context for how the actives were tested together, not a statement about any individual and not a claim about this product.

General timing

How each ingredient usually behaves over time.

7 ingredients, from each one's own page.

  • Resveratrol Elite™ Proprietary BlendWeeks, not days

    Weeks to months, and it reads on measures like flow-mediated dilation or a lipid panel rather than as a sensation.

    Its own page, the plain answer on timing

  • trans-resveratrolAbout eight to twelve weeks

    Give it eight to twelve weeks. What changes shows up in blood markers such as lipids and glucose handling rather than in how an afternoon feels.

    Its own page, the plain answer on timing

  • Japanese knotweed (root)Weeks, not days

    The change shows up on markers like blood lipids and inflammatory readings rather than as a sensation, so a six to eight week read is the sensible one.

    Its own page, the plain answer on timing

  • galactomannans

    The gel forms within an hour, so feeling fuller after a meal shows up the same day. Steadier glucose after meals and easier regularity take about two to three weeks.

    Its own page, the plain answer on timing

  • Fenugreek (seed)

    The fibre acts on the meal it's taken with, same day, and that reads on a glucose meter. Marker changes on a panel are read across two to four weeks.

    Its own page, the plain answer on timing

  • Bio-Quercetin® Proprietary BlendAbout four to eight weeks

    Plan on four to eight weeks of daily use. Changes show up first in blood pressure readings and inflammatory markers rather than in how a day feels.

    Its own page, the plain answer on timing

1 more

How each ingredient usually behaves over time, from its own page on IngredientMD. General timing for the ingredient, not a measurement of this product.

Chemical form

The same ingredient, carried differently.

What each form is, and where it fits in a formula. Measured findings carry the study that reported them.

  • Trans-resveratrol

    The free stilbene aglycone in its trans geometric configuration, a single molecule of formula C14H12O3 (three hydroxyls on a two-ring stilbene skeleton), sold either purified from plant material or made synthetically.

    Fits
    It is the geometric isomer characterised across the resveratrol literature and the one most panels standardise to, and it holds its structure in dry capsules and tablets when kept from light and heat.
    Trade-off
    The trans double bond isomerises toward the cis form under ultraviolet light, and the free aglycone has low water solubility, so it depends on light-protected packaging to keep its declared isomer.
  • Quercetin dihydrate

    Quercetin aglycone, the free flavonol with no sugar attached, crystallised with two molecules of water held in the lattice. The raw material is usually extracted from Sophora japonica flower buds or Dimorphandra mollis (fava d'anta) pods.

    Fits
    The workhorse raw material behind most quercetin labels: a stable crystalline yellow powder that standardises cleanly to a stated flavonol weight and blends readily into capsules, tablets and powder blends.
    Trade-off
    The plain aglycone is poorly water-soluble and dissolves slowly in gastrointestinal fluid, so an unformulated dihydrate powder sits at the low end of the solubility range for this molecule.

Descriptions of the form itself, read from the cited studies. Not a comparison between products and not a statement about any individual.

Format

Capsule

It is a capsule, so the amount per serving is fixed and travels without measuring.

Best forMost standard doses, and anywhere a short, clean label is the point.

Questions shoppers ask

Is Optimized Resveratrol independently verified?
Yes. IngredientMD reviewed this formula independently and verified it in Oct 2026. The verdict is earned, not bought: brands can't edit or purchase it.
What's in Optimized Resveratrol?
Optimized Resveratrol is built on Resveratrol Elite™ Proprietary Blend, trans-resveratrol, Japanese knotweed (root), galactomannans, Fenugreek (seed), Bio-Quercetin® Proprietary Blend, and more. Each ingredient links to its own evidence page on IngredientMD.
Were ingredient interactions checked?
Yes. The combination was screened against 1,556 documented interactions for these actives in IngredientMD's interaction database.
Who is IngredientMD?
IngredientMD is an independent supplement-science platform. We analyze ingredients and formulas against clinical research, and we verify products only when they clear our bar. Labs run the tests. We review the results.
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These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. This record is not medical advice. Always consult your healthcare provider before starting any supplement regimen.

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