CHAMGAP
VERIFIEDPassed the Codex final verification and publication gate. Evidence-verification cutoff: 2026-07-17. AI was used for research and drafting; the existence of all 3 cited sources was verified at the original page, followed by blind grading, adversarial audit, and build validation. Methodology v1.0.
Verdict No. 437 · Search date 2026-07-17 · Methodology v1.0

Robuvit,
does it really help with Reduction of oxidative fatigue, resilience, and healthy aging?

30-Second Summary
C
Evidence Grade C · 45 · Safety caution
Short-term fatigue and recovery surrogates cannot be expanded into broad healthy aging
What the
research shows
Small human studies of Robuvit 300 mg/day have reported improvements in fatigue questionnaires, postoperative recovery, and oxidative markers. Healthy-volunteer evidence includes an uncontrolled pilot of only 20 participants, and the surgical RCT included 66 participants; studies were linked to the branded-ingredient manufacturer. Subjective and oxidative surrogate outcomes cannot establish broad healthy aging, so the grade is C.
What the
ads claim
Claims of 'cellular energy,' 'fast recovery,' 'oxidative-fatigue relief,' and 'healthy aging' expand questionnaires and laboratory values from small selected groups into long-term function and lifespan. Healthy aging itself has not been tested as a clinical outcome.
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Useful facts when choosing a product

  • Robuvit is a standardized branded extract of French Quercus robur wood; South Korean consumers mainly encounter imported or cross-border products.
  • Major human studies used 300 mg/day for four to eight weeks.
  • Other oak extracts or polyphenol products are not interchangeable with the Robuvit evidence.
ID

Chamgap Semantic Classification Code

Candidate index · review held

S.robuvit-french-oak-wood-extract.UNK.oxidative-fatigue-resilience-and-healthy-aging.reduce.placebo

Supplements and nutraceuticals > Robuvit French oak wood extract > Unknown > oxidative fatigue, resilience, and healthy aging > Reduction claim > Placebo

An automated migration candidate, not an issued permanent code; exact claim scope remains under review. This machine-generated migration candidate helps retrieval but is not a permanent assignment. The original verdict ID and URL remain authoritative.

Download semantic index (JSON) · Codebook v1

Gap Measurement · Verdict 437 · C 45
What advertising claims
What independent, higher-quality research supports
△ GAP
01

What the research actually shows

The uncontrolled Horvathova 2014 study in 20 participants measured oxidized proteins, lipid peroxidation, and antioxidant enzymes over four weeks. Országhová 2015 assessed subjective activation scores in a similarly small healthy-volunteer pilot. Ferianec 2020 randomized 66 women after hysterectomy and assessed eight-week recovery questionnaires and oxidative markers, with manufacturer funding and product supply. Chronic-fatigue data came from a registry pilot rather than a large independent randomized trial.

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Why this is classified as C (45)

Small manufacturer-linked studies of one branded ingredient, subjective and oxidative surrogate outcomes, and no broad aging endpoint result in C with 45 points.

Counterpoint. A short-term adjunctive effect on fatigue or recovery remains possible, but large independent RCTs are needed.

Rejudgment record. New verdict — Small manufacturer-linked branded-ingredient studies using fatigue questionnaires and oxidative surrogates cannot establish healthy aging, limiting the grade to C

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Sub-claim grades by effect

This ingredient is marketed for several effects. A single overall grade blends strong and weak claims together, so each effect is graded separately here. The overall grade reflects the strongest disconfirming or core claim.

Effect (sub-claim)GradeBasis
Reduction of oxidative fatigueCThe signal comes from fatigue questionnaires and oxidative surrogates in small manufacturer-linked studies.
Improved recoveryCA 66-person pilot RCT after hysterectomy cannot establish general resilience.
Healthy aging?No study directly measured healthspan, functional decline, or disease incidence.
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Cross-check — AI research and Codex final gate

AI was used for research and drafting. Blind grading, adversarial audit, and the methodology boundary rules were then reapplied before Codex performed the final evidence, grade, copy, and build checks. If a grade cannot be narrowed, both evidence positions and their reasons are published.
03

Evidence Table

StudyDesignSampleFundingEndpointResultWeight
Horvathova M et al. 2014Uncontrolled before-and-after pilot20Linked to the branded ingredientOxidized proteins, lipid peroxidation, SOD, CAT, and total antioxidant capacitySome oxidative and antioxidant markers improved after 300 mg/day for four weeks; there was no control group.Supportive
Országhová Z et al. 2015Uncontrolled healthy-volunteer pilot20Sponsored by Horphag with an employee authorSubjective activation and deactivation questionnaireSome subjective energy scores improved after four weeks; there was no blinding or placebo control.Supportive
Ferianec V et al. 2020Randomized, double-blind, placebo-controlled pilot66Horphag grant and product supplyRecovery and fatigue questionnaires plus oxidative-stress markersSignals of improved eight-week recovery and selected markers in a small, specific surgical population.Key
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Receipt — 3 References

All 3 cited sources were verified for existence at the original page (as of 2026-07-17).

Horvathova M, Orszaghova Z, Laubertova L, et al. Effect of the French Oak Wood Extract Robuvit on Markers of Oxidative Stress and Activity of Antioxidant Enzymes in Healthy Volunteers: A Pilot Study. Oxid Med Cell Longev. 2014;2014:639868. PMID: 25254080. DOI: 10.1155/2014/639868.
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Országhová Z, Waczulíková I, Burki C, et al. An Effect of Oak-Wood Extract (Robuvit) on Energy State of Healthy Adults—A Pilot Study. Phytother Res. 2015;29(8):1219-1224. PMID: 25981190. DOI: 10.1002/ptr.5368.
checked
Ferianec V, Maruniakova N, Krizko M, et al. The Oak-Wood Extract Robuvit Improves Recovery and Oxidative Stress after Hysterectomy: A Randomized, Double-blind, Placebo-controlled Pilot Study. Nutrients. 2020;12(4):913. PMID: 32230721. DOI: 10.3390/nu12040913.
checked
Research and draft: AI used · Cross-check: blind grading and adversarial audit
Final verification and publication gate: Codex · Evidence date: 2026-07-17 · Corrections: none
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Cite this verdict

Robuvit x reduction of oxidative fatigue, resilience, and healthy aging Evidence Grade C card
[Chamgap] Robuvit x reduction of oxidative fatigue, resilience, and healthy aging — Evidence Grade C·45. 3 cited sources checked. Source: https://chamgap.com/en/verdicts/antioxidant-aging/robuvit-fatigue-recovery-healthy-aging/ · CC BY 4.0

CC BY 4.0 — free to use with attribution; do not distort grades, numbers, or verdict meaning.

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What this document does and does not do

Chamgap is an information source. It reports what research has and has not confirmed; it does not tell readers what to take or buy. That decision belongs to readers and, when needed, medical or legal professionals. This verdict reflects literature available up to the search date and may change as new research appears. Nothing here is medical advice.
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