# Resvida (Resveratrol)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/resvida
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-29
**Evidence Score:** 2 / 10
**Category:** Other
**Also Known As:** trans-resveratrol, 3,5,4'-trihydroxystilbene, stilbenoid polyphenol, resveratrol, Japanese knotweed extract, Polygonum cuspidatum extract, grape skin extract, red wine polyphenol

## Overview

Resvida is a standardized resveratrol supplement derived primarily from Japanese knotweed (Polygonum cuspidatum) or grape skin, where resveratrol acts as a polyphenolic stilbene that activates sirtuin-1 (SIRT1) deacetylase and inhibits cyclooxygenase enzymes to produce [antioxidant](/ingredients/condition/antioxidant) and anti-inflammatory effects. It is studied for cardiovascular protection, [longevity](/ingredients/condition/longevity) signaling, and [endothelial function](/ingredients/condition/heart-health) via upregulation of nitric oxide synthase (eNOS) and suppression of NF-κB [inflammatory pathway](/ingredients/condition/inflammation)s.

## Health Benefits

• [Antioxidant activity](/ingredients/condition/antioxidant) - resveratrol acts as a dietary antioxidant supplement (evidence quality not specified in available research)
• [Anti-inflammatory](/ingredients/condition/inflammation) effects - exhibits cyclooxygenase inhibitory activity (evidence quality not specified in available research)
• [Cardiovascular](/ingredients/condition/heart-health) support - investigated for roles in complex biological processes (specific evidence not provided in research)
• Limited clinical evidence available - the research dossier lacks specific human trial data for health outcomes
• Further research needed - no meta-analyses or RCTs with specific outcomes are cited in the available research

## Mechanism of Action

Resveratrol activates SIRT1, a NAD+-dependent deacetylase that modulates [mitochondrial biogenesis](/ingredients/condition/energy) via PGC-1α and downregulates inflammatory gene expression through deacetylation of NF-κB subunit p65. It inhibits cyclooxygenase-1 (COX-1) and COX-2 enzymes, reducing [prostaglandin](/ingredients/condition/inflammation) E2 synthesis and attenuating the inflammatory cascade at the arachidonic acid pathway. Additionally, resveratrol upregulates endothelial nitric oxide synthase (eNOS), increasing nitric oxide bioavailability, which promotes vasodilation and inhibits platelet aggregation relevant to [cardiovascular health](/ingredients/condition/heart-health).

## Clinical Summary

Human clinical trials on resveratrol have produced mixed results, with many studies limited by small sample sizes (typically 20–100 participants) and varying bioavailability of the compound. A 2013 randomized controlled trial in obese men (n=11) published in Cell [Metabolism](/ingredients/condition/weight-management) showed resveratrol (150 mg/day) mimicked caloric restriction by improving [mitochondrial function](/ingredients/condition/energy) and reducing [blood pressure](/ingredients/condition/heart-health), though larger replication trials have not consistently confirmed these findings. Studies on cardiovascular biomarkers suggest modest reductions in LDL oxidation and improvements in flow-mediated dilation at doses of 150–500 mg/day, but effect sizes are generally small and not all trials reach statistical significance. Overall, the evidence base is promising but preliminary, with researchers calling for larger, longer-duration RCTs before firm efficacy conclusions can be drawn.

## Nutritional Profile

Resvida is a proprietary high-purity trans-resveratrol ingredient (typically >99% pure trans-resveratrol) manufactured by DSM. Active compound: trans-3,5,4'-trihydroxystilbene (resveratrol), a polyphenolic stilbenoid. Typical dosing in supplements ranges from 75–500 mg/day of trans-resveratrol. Contains no significant macronutrients (negligible protein, fat, carbohydrate, and fiber at supplement doses). No meaningful vitamin or mineral content. Key bioactive properties: polyphenol with a 4'-hydroxystilbene backbone responsible for [antioxidant](/ingredients/condition/antioxidant) electron-donating capacity. Bioavailability notes: oral trans-resveratrol is rapidly absorbed (peak plasma levels within ~30–60 minutes) but undergoes extensive first-pass [metabolism](/ingredients/condition/weight-management) in the intestine and liver, yielding primary metabolites resveratrol-3-O-glucuronide and resveratrol-3-O-sulfate; free (unconjugated) resveratrol bioavailability is estimated at <1–5% of the ingested dose. Plasma half-life of free resveratrol is approximately 1–3 hours. Metabolites (glucuronides and sulfates) circulate at concentrations 5–10× higher than the parent compound and may retain partial biological activity. Co-administration with dietary fat or quercetin has been suggested to modestly improve bioavailability by inhibiting Phase II conjugation enzymes (SULT1A1, UGT). Resvida's high-purity crystalline trans-resveratrol form is designed to offer more consistent absorption compared to plant-extract-based resveratrol sources, which may contain variable ratios of cis/trans isomers and other grape-derived polyphenols. No calories of nutritional significance per serving.

## Dosage & Preparation

No clinically studied dosage ranges or standardization details from human trials are specified in the available research. Resvida is described as >99% trans-resveratrol with 24-month stability when unopened, but dosing information is not provided. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Resveratrol is generally well tolerated at doses up to 500 mg/day, with higher doses (2–5 g/day) associated with gastrointestinal side effects including nausea, diarrhea, and abdominal discomfort. It inhibits cytochrome P450 enzymes CYP3A4 and CYP2C9, which may elevate plasma concentrations of drugs metabolized by these pathways, including warfarin, statins, and certain calcium channel blockers, raising bleeding or toxicity risk. Resveratrol exhibits mild estrogenic activity via estrogen receptor-beta (ERβ) agonism, making it potentially contraindicated in estrogen-sensitive conditions such as breast, uterine, or ovarian cancers. Safety data during pregnancy and lactation is insufficient, and use should be avoided in these populations until more evidence is available.

## Scientific Research

The research dossier does not provide specific clinical trials, meta-analyses, or PubMed PMIDs for resveratrol or Resvida. General references note investigation into resveratrol's biological roles and [antioxidant](/ingredients/condition/antioxidant) properties, but no trial data with study design, sample sizes, or outcomes are included.

## Historical & Cultural Context

Resveratrol from Japanese knotweed (Polygonum cuspidatum) roots has a history of consumption in food, implying traditional use. It occurs naturally in grape skins and berries, though specific traditional medicinal systems or historical indications are not detailed in the research.

## Synergistic Combinations

Quercetin, Grape seed extract, Green tea extract, Vitamin C, CoQ10

## Frequently Asked Questions

### What is the recommended dosage of Resvida resveratrol?

Most clinical studies have used resveratrol doses ranging from 150 mg to 500 mg per day, with Resvida formulations typically standardized to deliver consistent trans-resveratrol content in this range. Some longevity-focused protocols suggest up to 1,000 mg/day, but gastrointestinal side effects become more common above 500 mg/day. Taking resveratrol with a fatty meal may improve absorption due to its lipophilic nature.

### Does resveratrol actually work for heart health?

Resveratrol demonstrates cardiovascular-relevant mechanisms in vitro and in animal models, including eNOS upregulation, LDL oxidation inhibition, and platelet aggregation reduction. Human trials show modest improvements in flow-mediated dilation and blood pressure at 150–500 mg/day, but effect sizes are small and results are inconsistent across studies. Current evidence is considered preliminary, and resveratrol should not replace proven cardiovascular interventions like statins or lifestyle modification.

### Can resveratrol interact with blood thinners like warfarin?

Yes, resveratrol inhibits CYP2C9, the primary liver enzyme responsible for warfarin metabolism, which can slow warfarin clearance and increase its plasma concentration, raising the risk of bleeding. Additionally, resveratrol's own mild antiplatelet activity compounds this interaction. Patients on warfarin or other anticoagulants should consult their physician before supplementing with resveratrol and may require INR monitoring.

### Is resveratrol the same as taking red wine?

No — a typical 150 mL glass of red wine contains only 0.3–2 mg of resveratrol, meaning you would need to consume hundreds of glasses to match the 150–500 mg doses used in clinical studies. Resvida and similar supplements deliver standardized, concentrated trans-resveratrol, the biologically active isomer, without the alcohol content that carries its own cardiovascular and hepatic risks. Supplemental resveratrol is therefore a fundamentally different intervention from dietary wine consumption.

### How long does it take for resveratrol to show effects?

Resveratrol's half-life in plasma is short, approximately 1–3 hours for free resveratrol, though metabolites like resveratrol-3-sulfate persist longer and may contribute to biological activity. Clinical studies reporting measurable outcomes such as improved endothelial function or reduced oxidative stress markers typically ran for 4–12 weeks at consistent daily dosing. Individual response varies based on gut microbiome composition, which significantly influences resveratrol bioavailability through conversion to active metabolites like dihydroresveratrol.

### What is Resvida and how does it differ from generic resveratrol supplements?

Resvida is a branded form of resveratrol, a polyphenolic compound originally studied in red wine and grapes. While all resveratrol supplements contain the same active molecule, Resvida may have proprietary sourcing, standardization, or delivery methods that distinguish it from generic versions, though the core biological activity remains consistent across quality resveratrol products.

### Is Resvida resveratrol safe to take during pregnancy or while breastfeeding?

There is insufficient clinical evidence on the safety of Resvida or resveratrol during pregnancy and breastfeeding, making it prudent to avoid supplementation during these periods without explicit guidance from a healthcare provider. Pregnant and nursing women should consult their physician before using any resveratrol supplement, as resveratrol's effects on fetal development and breast milk composition have not been adequately studied.

### What does current clinical research show about Resvida's effectiveness compared to its marketed claims?

While resveratrol shows antioxidant and anti-inflammatory properties in laboratory and some animal studies, human clinical evidence supporting Resvida's marketed health claims remains limited and inconsistent. Most cardiovascular and longevity benefits attributed to resveratrol in marketing materials come from preliminary research; robust, large-scale human trials are needed to confirm efficacy at typical supplemental doses.

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*Source: Hermetica Superfoods Ingredient Encyclopedia — https://ingredients.hermeticasuperfoods.com*
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