Written from the studies on PubMed, searched on 11 Nov 2026. Every number below comes from a study listed under Sources.
The claim
Posts online say that CBD (cannabidiol) helps with long COVID and ME/CFS.
Where research stands
We found no published scientific study on this claim.
We searched PubMed for cannabidiol, cbd, epidiolex together with long COVID and ME/CFS.
Verdict
Unproven
With no study, nothing shows that this claim is true.
Unproven means: it was only tested in animals or cells, or there is too little or mixed data from people. How we rate claims
What this means for you: There is no study to show whether it helps. Do not stop or change your medicines because of it. Ask your doctor before you start taking it.
Sources
- Feasibility of a cannabidiol-dominant cannabis-based medicinal product for the treatment of long COVID symptoms: A single-arm open-label feasibility trial.2024 · Br J Clin Pharmacol · Other paper
