Wang, Wenbo, Pan, Da, Liu, Qi et al. · Nutrients · 2024 · DOI
Researchers reviewed 60 studies about whether L-carnitine, a natural supplement, might help with nervous system and mental health problems. They found it showed promise for some conditions like stroke and Alzheimer's disease, but had limited effectiveness for others including chronic fatigue syndrome, depression, and ALS. This review summarizes what we currently know about L-carnitine's potential benefits and limitations across different neurological conditions.
ME/CFS patients often experience neurological symptoms and cognitive dysfunction, and many explore nutritional interventions. This review directly addresses L-carnitine's effectiveness for CFS and provides context for related conditions like cognitive impairment and depression that frequently co-occur with ME/CFS, helping patients and clinicians make informed decisions about supplementation.
This systematic review does not prove L-carnitine is ineffective for CFS or other conditions—it summarizes existing evidence that remains limited. The finding of 'limited efficacy' may reflect insufficient research rather than true ineffectiveness. This review also cannot establish mechanisms of action or identify which patient subgroups might benefit from L-carnitine treatment.
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
Wang, Wenbo, Pan, Da, Liu, Qi, Chen, Xiangjun, & Wang, Shaokang (2024). L-Carnitine in the Treatment of Psychiatric and Neurological Manifestations: A Systematic Review.. Nutrients. https://doi.org/10.3390/nu16081232
BibTeX
@article{mecfsatlas-wang-2024-carnitine-treatment,
author = {Wang, Wenbo and Pan, Da and Liu, Qi and Chen, Xiangjun and Wang, Shaokang},
title = {L-Carnitine in the Treatment of Psychiatric and Neurological Manifestations: A Systematic Review.},
journal = {Nutrients},
year = {2024},
doi = {10.3390/nu16081232},
note = {PubMed: 38674921},
url = {https://www.mecfsatlas.com/evidence/wang-2024-carnitine-treatment},
}Atlas snapshot reference
ME/CFS Atlas. Generator v1 / Scanner v1.4 / policy v0.1. Accessed 2026-05-25. https://www.mecfsatlas.com/evidence/wang-2024-carnitine-treatment
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