Can Fish Oil Capsules Cause Headaches in the USA

Share on Pinterest Side effects of taking omega-3 supplements include nausea and headaches. According to the NCCIH , the side effects from omega-3 supplements are usually mild and might include: bad breath. bad-smelling sweat. Why does omega-3 give me headaches? Oxylipins derived from omega-3 fatty acids are associated with pain-reducing effects, while oxylipins derived from…