Does Fish Oil Increase Risk of Bleeding?

Taking high doses of fish oil supplements might increase the risk of bleeding and possibly increase the risk of stroke.

Can fish oil cause bleeding?

Summary Taking large amounts of fish oil can inhibit blood clot formation, which may increase the risk of bleeding and cause symptoms such as nosebleeds or bleeding gums.

Is fish oil considered a blood thinner?

Bleeding. Fish oil is a natural anticoagulant, which means it can prevent the blood from clotting. This property may help explain some of its heart health benefits, since thinning the blood may improve cardiovascular health.