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 polycystic kidney disease.
Where research stands
We found no study on this claim in PubMed, and no trial of it that is still running in the trial registers we search.
We searched PubMed for cannabidiol, cbd, epidiolex together with polycystic kidney disease.
Verdict
Unproven
No study we found 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: No study we found shows whether it helps. Do not stop or change your medicines because of it. Ask your doctor before you start taking it.
