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 atrial fibrillation.
Where research stands
We found no published scientific study on this claim.
We searched PubMed for cannabidiol, cbd, epidiolex together with atrial fibrillation.
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
- Implications of new-onset atrial fibrillation on in-hospital and long-term prognosis of patients with acute myocardial infarction: A report from the CBD bank study.2022 · Front Cardiovasc Med · Other paper
