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Do omega-3 supplements lower the risk of heart attack?

Dr. Mehmet Oz, MD
Cardiology (Cardiovascular Disease)
There is some evidence that supplementation of omega-3 fatty acids may lower high levels of triglycerides associated with heart attack. Watch the animation to learn more about omega-3 fatty acids.


Omega-3 fatty acids are essential nutrients that the body can’t make without precursors from food. They appear to help reduce triglycerides and increase HDL cholesterol, and both effects are beneficial in warding off atherosclerosis. Interestingly, however, in some randomized clinical trials, supplementation with omega-3s beyond what you’d get in a prudent diet has not led to improved cardiovascular outcomes.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.