Written based on 3 research studies on PubMed, searched on 15 Nov 2026.
The claim
Posts online say that omega-3 fatty acids (fish oil) helps with brain aneurysm.
Where research stands
We found 3 published papers on omega-3 fatty acids (fish oil) and brain aneurysm. They were published between 2008 and 2020. 1 of them is a study in people. None of them compared people who got it with a group that did not. 1 was a study in animals, and none was only in cells in the lab.
- 1In people
- 1In animals
- 0Only in the lab
What the studies found
We have not summed up these studies in words yet. The most important papers are listed under Sources.
Verdict
Omega-3 fatty acids (fish oil) has been studied in people with brain aneurysm, but not in randomised trials.
What this means for you: A study in people is not proof that it helps you. Do not stop or change your medicines because of it. Ask your doctor before you start taking it.
Sources
- Does eicosapentaenoic acid (EPA) inhibit cerebral vasospasm in patients after aneurysmal subarachnoid hemorrhage?2008 · Acta Neurol Scand · Study in people
- Eicosapentaenoic acid prevents the progression of intracranial aneurysms in rats.2020 · J Neuroinflammation · In animals
- Omega-3 Fatty Acid Ethyl Esters do not Improve Clopidogrel Associated P2Y12 Inhibition in Stroke Patients.2015 · Neurol Int · Other paper
