Craig, Courtney · Medical hypotheses · 2015 · DOI
This study explores whether certain dietary approaches—like eating fewer calories, fasting, or following a ketogenic (low-carb, high-fat) diet—might help ME/CFS symptoms by protecting the mitochondria, which are the energy-producing parts of our cells. The authors review evidence suggesting that ME/CFS involves problems with mitochondrial function and immune activation that exhausts these cellular power plants. They propose that these three dietary strategies may help restore mitochondrial health and reduce symptoms, though they note that more research is needed to test this in actual ME/CFS patients.
This paper bridges mitochondrial biology and clinical nutrition by proposing testable hypotheses for why dietary modifications might benefit ME/CFS patients whose illness may involve energy metabolism dysfunction. For researchers, it identifies specific dietary mechanisms worth investigating; for patients, it provides scientific rationale for considering these dietary approaches under medical supervision. Understanding mitochondrial-targeted interventions could open new symptom management pathways for a disease with limited treatment options.
This study does not demonstrate that ketogenic diets, fasting, or caloric restriction actually improve ME/CFS symptoms in patients—it only proposes theoretical mechanisms. It does not establish that mitochondrial dysfunction is definitively the cause of ME/CFS, only that it may contribute. The paper is speculative and requires clinical trials to determine whether these dietary approaches are safe and effective for this population.
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
Craig, Courtney (2015). Mitoprotective dietary approaches for Myalgic Encephalomyelitis/Chronic Fatigue Syndrome: Caloric restriction, fasting, and ketogenic diets.. Medical hypotheses. https://doi.org/10.1016/j.mehy.2015.08.013
BibTeX
@article{mecfsatlas-craig-2015-mitoprotective-dietary,
author = {Craig, Courtney},
title = {Mitoprotective dietary approaches for Myalgic Encephalomyelitis/Chronic Fatigue Syndrome: Caloric restriction, fasting, and ketogenic diets.},
journal = {Medical hypotheses},
year = {2015},
doi = {10.1016/j.mehy.2015.08.013},
note = {PubMed: 26315446},
url = {https://www.mecfsatlas.com/evidence/craig-2015-mitoprotective-dietary},
}Atlas snapshot reference
ME/CFS Atlas. Generator v1 / Scanner v1.4 / policy v0.1. Accessed 2026-05-27. https://www.mecfsatlas.com/evidence/craig-2015-mitoprotective-dietary
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