Belcaro, G, Cornelli, U, Luzzi, R et al. · Panminerva medica · 2014
This small study tested whether a supplement made from French oak wood extract (Robuvit®) could help people with chronic fatigue syndrome (CFS) when combined with a structured management plan. About half of the 91 participants received the supplement for 6 months while the other half followed the management plan alone. The supplement group showed greater improvements in fatigue symptoms and mood compared to the management-only group, and no side effects were reported.
ME/CFS has no approved treatments and patients often receive limited clinical support; this study suggests that targeting oxidative stress with a supplement, combined with structured management attention, may improve symptoms and mood. The finding of elevated oxidative stress in a majority of CFS participants adds to growing evidence of metabolic dysfunction in the disease. However, larger, rigorously controlled trials are needed before recommending this supplement to patients.
This study does not prove that Robuvit® causes symptom improvement—the control group also improved substantially, making it unclear how much benefit comes from the supplement versus increased clinical attention and a structured plan. The small sample size, lack of randomization and blinding, and registry design (not a randomized controlled trial) mean the findings are preliminary and cannot establish causation. Whether oxidative stress is a cause or consequence of CFS remains unclear.
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
Belcaro, G, Cornelli, U, Luzzi, R, Cesarone, M R, Dugall, M, Feragalli, B, et al. (2014). Improved management of primary chronic fatigue syndrome with the supplement French oak wood extract (Robuvit®): a pilot, registry evaluation.. Panminerva medica. https://pubmed.ncbi.nlm.nih.gov/24231834/
BibTeX
@article{mecfsatlas-belcaro-2014-improved-management,
author = {Belcaro, G and Cornelli, U and Luzzi, R and Cesarone, M R and Dugall, M and Feragalli, B and Hu, S and Pellegrini, L and Ippolito, E},
title = {Improved management of primary chronic fatigue syndrome with the supplement French oak wood extract (Robuvit®): a pilot, registry evaluation.},
journal = {Panminerva medica},
year = {2014},
note = {PubMed: 24231834},
url = {https://www.mecfsatlas.com/evidence/belcaro-2014-improved-management},
}Atlas snapshot reference
ME/CFS Atlas. Generator v1 / Scanner v1.4 / policy v0.1. Accessed 2026-05-26. https://www.mecfsatlas.com/evidence/belcaro-2014-improved-management
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