Docosahexaenoic acid (DHA) from fish oil protects the heart and may even help brain development .

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Most big studies confirming the cardiovascular benefits of omega-3s have tested either docosahexaenoic acid (DHA), an omega-3 found in salmon, sardines and breast milk, or another fish oil called eicosapentaenoic acid (EPA).

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According to the National Institutes of Healt h, most fish oil studies have involved the use of 300 to 3, 000 mg of the essential fatty acids docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA).

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Another key point: Vascepa contains purified ethyl EPA, an omega-3 fatty acid, but does not contain significant amounts of docosahexaenoic acid, or DHA, another omega-3 fatty acid that is a major component of non-prescription fish-oil pills, as well as Lovaza.

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