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EPA vs DHA: they are not the same omega-3

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By NSW Editorial Team · Reviewed by the NSW Editorial Board · Updated

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Quick answer

EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid) are both omega-3 fatty acids but serve different roles. EPA is primarily an inflammation modulator. DHA is a structural component of cell membranes, especially in the brain and retina. The ratio of EPA to DHA in a supplement should match the intended use.

Common ratios

Dosing

Typical adult dose: 1000 to 2000 mg combined EPA plus DHA per day, with food.

Citations

FAQ

Educational, not medical. These statements have not been evaluated by the Food and Drug Administration. This content is for educational purposes only and is not a substitute for medical advice from a qualified healthcare provider. Not intended to diagnose, treat, cure, or prevent any disease.