Ledda, Andrea, Hosoi, Morio, Cesarone, Maria R et al. · Panminerva medica · 2020 · DOI
This small study tested whether a supplement called Robuvit® (made from oak wood extract) could help middle-aged men feel more energetic and less tired. Forty men aged 50-65 who felt exhausted took either standard lifestyle advice alone or the same advice plus the supplement for 4 weeks. Both groups improved, but the men taking Robuvit® reported significantly better energy levels and had lower markers of cellular stress in their blood.
Although this study is small and preliminary, the authors cite prior evidence that Robuvit® may help chronic fatigue syndrome, suggesting biological plausibility for investigating antioxidant interventions in ME/CFS populations. The focus on oxidative stress as a measurable mechanism resonates with emerging mechanistic theories in ME/CFS research, making this a potential signal worthy of more rigorous investigation.
This study does not prove Robuvit® is effective for ME/CFS patients; the sample consisted of healthy middle-aged men with age-related vigor loss, not individuals with ME/CFS. The lack of a placebo control and small unblinded design cannot exclude placebo effect or bias. The 4-week timeframe is too brief to assess long-term safety or durability of benefit.
About the PEM badge: “PEM required” means post-exertional malaise was an explicit required diagnostic criterion for participant inclusion in this study — not that PEM was studied, observed, or discussed. Studies using criteria that do not require PEM (e.g. Fukuda, Oxford) are tagged “PEM not required”. How the atlas works →
The first block is for the primary paper and is the citation you should use in research work. The atlas-snapshot line only applies if you are specifically referring to this atlas’s reading of the paper on the date shown.
Primary citation
Ledda, Andrea, Hosoi, Morio, Cesarone, Maria R, Dugall, Mark, Hu, Shu, Belcaro, Gianni, et al. (2020). Exploring the concept of vigor and dys-vigor in men of 50-65 years: effects of Robuvit®.. Panminerva medica. https://doi.org/10.23736/S0031-0808.19.03795-9
BibTeX
@article{mecfsatlas-ledda-2020-exploring-concept,
author = {Ledda, Andrea and Hosoi, Morio and Cesarone, Maria R and Dugall, Mark and Hu, Shu and Belcaro, Gianni and Maione, Claudia and Cotellese, Roberto and Feragalli, Beatrice and Scipione, Valeria and Scipione, Claudia},
title = {Exploring the concept of vigor and dys-vigor in men of 50-65 years: effects of Robuvit®.},
journal = {Panminerva medica},
year = {2020},
doi = {10.23736/S0031-0808.19.03795-9},
note = {PubMed: 32716149},
url = {https://www.mecfsatlas.com/evidence/ledda-2020-exploring-concept},
}Atlas snapshot reference
ME/CFS Atlas. Generator v1 / Scanner v1.4 / policy v0.1. Accessed 2026-05-29. https://www.mecfsatlas.com/evidence/ledda-2020-exploring-concept
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