 Don't take omega-3 fatty acids because you're going to have more serious bleeding during surgery. You don't want that. They'll tell you to get off blood thinners. They'll tell you to get off aspirin. They'll tell you to get off fish oil. Maybe certain other supplements that they consider blood thinners. Well, here's a study looking at children. Risk of post-procedural bleeding in children on intravenous fish oil. That's really high-dose fish oil. You can deliver a lot more intravenously than you can via the oral route.