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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    Herbs and dietary supplements for diabetes control

    Dr. Désirée Lie’s post on Medscape reviews nopal (prickly pear cactus), fenugreek, cinnamon, and Gymnema.

    Here are the highpoints.

    Prickly pear cactus (nopal)

    • Nopal is native to the southwestern US and South America.
    • It’s traditionally used among Mexicans as a food and medicinally as an anti-inflammatory, a laxative, a blood sugar lowering treatment for diabetes, and to treat gastritis.
    • How it works to lower blood sugar isn’t known, although it has an insulin-sensitizing effect in animals.
    • 1 study showed a positive effect of nopal on blood sugar when included in a typical Mexican breakfast.
    • Other studies of capsules or juice failed to show any effect on blood sugar.
    • Nopal may interact with oral anti-diabetes drugs and increase the risk for hypoglycemia.

    Gymnema (Gymnema sylvestre, or gurmar)

    • A woody climbing plant found in central and southern India, tropical Africa, and Australia.
    • Used in Ayurvedic medicine.
    • The leaves are used as a digestive; diuretic; and blood sugar, cholesterol, and weight-lowering agent.
    • Only 2 studies, both of poor quality, showed significant reductions in blood sugar and A1c.
    • Gymnema may interact with oral anti-diabetes drugs and increase the risk for hypoglycemia.

    Cinnamon (Cassia cinnamon, or Cinnamomum aromaticum)

    • Animal and laboratory studies indicate that cinnamon may mimic the effects of insulin, act as an insulin sensitizer, and improve cellular glucose uptake and glycogen synthesis.
    • Studies in patients are small and have produced contradictory results.
    • In the most recent study, researchers reported positive results and recommended cinnamon as an adjunct to diabetes care for patients with an A1c level greater than 7%.

    Fenugreek (Trigonella foenum-graecum)

    • An annual herb native to western Asia and southeastern Europe.
    • 2 studies in diabetes patients reported a positive effect on blood sugar control.
    • More on fenugreek is here.

    The bottom line?

    Go to the article for more details.

    7/6/10 20:14 JR

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