The C.A.M. Report
Complementary and Alternative Medicine: Fair, Balanced, and to the Point
  • About this web log

    This blog ran from 2006 to 2016 and was intended as an objective and dispassionate source of information on the latest CAM research. Since my background is in pharmacy and allopathic medicine, I view all CAM as advancing through the development pipeline to eventually become integrated into mainstream medical practice. Some will succeed while others fail. But all are treated fairly here.

  • About the author

    John Russo, Jr., PharmD, is president of The MedCom Resource, Inc. Previously, he was senior vice president of medical communications at, a complementary and alternative medicine website.

  • Common sense considerations

    The material on this weblog is for informational purposes. It is not medical advice or counsel. Be smart, consult your health professional before using CAM.

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    Omega-3 and insulin resistance: Reviewing the evidence

     Insulin resistance occurs when cells in the body no longer respond to insulin. The cause in most cases isn’t known but appears to be linked to obesity, high blood pressure, and high cholesterol levels.

    Researchers from the University of California at Davis reviewed the evidence on the potential for omega-3 fatty acids to prevent insulin resistance.

    First, the details.

    • Results from recent human and animal studies on the effects of omega-3 polyunsaturated fatty acid in preventing insulin resistance were reviewed.

    And, the results.
    In animals

    • Animal studies indicate that fish oil and individual omega-3 fatty acids (alpha-linolenic acid [ALA], eicosapentaenoic acid [EPA, and docosahexaenoic acid [DHA]) prevent insulin resistance.
    • In 2 studies in mice, EPA increased insulin secretion.

    In humans

    • Fish oil or purified EPA reduced insulin resistance in some but not other studies of normal weight and obese people.
    • Moderate amounts of omega-3 fatty acids didn’t improve or worsen blood sugar control in type 2 diabetics.

    The bottom line?
    The authors concluded that discrepancies in human data might be due to differences in health status of participants and methods used to assess insulin resistance, among others reasons.

    Of course, the fact remains that there are good reasons to include omega-3 as part of an overall healthy lifestyle that includes weight control, exercise, and reduction in the intake of refined sugars, omega-6, saturated, and trans fatty acids.

    2/10/09 19:02 JR

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