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Are Krill Oil Supplements a Better Source of n-3 Fatty Acids than Fish Oil Supplements?

Published:January 25, 2012DOI:https://doi.org/10.1016/j.jand.2011.12.016
      n-3 fatty acids include alpha-linolenic acid (ALA), derived primarily from plant sources; eicosapentaenoic acid (EPA); and docosahexaenoic acid (DHA), derived primarily from marine sources. n-3 fatty acids can also be obtained from supplements. Reports of numerous health benefits have contributed to the popularity of n-3 supplements (
      • Riediger N.D.
      • Othman R.A.
      • Suh M.
      • Moghadasian M.H.
      Systemic review of the roles of omega-3 fatty acids in health and disease.
      ). Fish oil supplements containing EPA and DHA typically provide approximately 180 to 300 mg EPA and 120 to 200 mg DHA per capsule (
      • Sarubin Fragakis A.S.
      • Thomson C.
      The Health Professional's Guide to Popular Dietary Supplements.
      ).
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      References

        • Riediger N.D.
        • Othman R.A.
        • Suh M.
        • Moghadasian M.H.
        Systemic review of the roles of omega-3 fatty acids in health and disease.
        J Am Diet Assoc. 2009; 109: 668-679
        • Sarubin Fragakis A.S.
        • Thomson C.
        The Health Professional's Guide to Popular Dietary Supplements.
        American Dietetic Association, Chicago, IL2007
        • Ulven S.M.
        • Kirkhus B.
        • Lamglait A.
        • et al.
        Metabolic effects of krill oil are essentially similar to those of fish oil but at lower dose of EPA and DHA, in healthy volunteers.
        Lipids. 2011; 46: 37-46
        • American Dietetic Association Evidence Analysis Library
        Disorders of lipid metabolism (DLM), triglycerides, and omega-3 fatty acid supplements.
        (Accessed November 22, 2011)
        • American Dietetic Association Evidence Analysis Library
        Omega-3 supplements and risk for CVD events.
        (Accessed November 22, 2011)
        • US Department of Agriculture, US Department of Health and Human Services
        Dietary Guidelines for Americans, 2010.
        (Accessed November 22, 2011)