Taking a daily omega-3 supplement for about five years doesn't seem to raise the risk of serious bleeding or other big health problems in healthy people over 50.

We analyzed one assertion about omega-3 supplements and bleeding risk in older adults, and the evidence we’ve reviewed so far suggests that taking a daily omega-3 supplement for about five years doesn’t appear to increase the risk of serious bleeding in healthy people over 50 [1]. This is the only piece of direct evidence we’ve found on this specific question. We didn’t find any studies that showed a higher chance of bleeding, bruising, or other major health issues linked to omega-3 use in this group. The data we have points toward no clear connection between daily omega-3 intake and bleeding events over a five-year period. However, we only reviewed one assertion, and it focused on healthy individuals — not those with bleeding disorders, on blood thinners, or with other medical conditions. Because we have so little evidence to work with, we can’t say whether this applies to everyone over 50, or whether longer use, higher doses, or different health statuses might change the picture. We also don’t know if short-term use or lower doses have the same pattern. What we’ve found so far offers some reassurance for healthy older adults considering omega-3 supplements, but it doesn’t cover all possible scenarios. If you’re on blood-thinning medication or have a history of bleeding, we can’t say what the effect might be based on the evidence we’ve reviewed. For now, if you’re a healthy older adult taking omega-3s daily, the limited evidence doesn’t suggest you need to worry about bleeding — but it’s still smart to talk with your doctor, especially if your health situation changes.