A Cochrane systematic review (the gold standard for meta-analyses) in 2018 examined the results of seventy-nine separate trials involving more than twelve thousand people and found that taking omega-3 supplements makes little or no difference to the risk of cardiovascular events, coronary heart deaths, coronary heart disease events, stroke, or heart irregularities. And it may even increase the incidence of some cancers.
omega 3 supplements shown to have minimal and sometimes negetive effects.
