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

    This blog is 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 www.Vicus.com, 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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    Calcium lowers fracture risk … if you actually take it

    And the difference in risk between taking calcium-only vs calcium with vitamin D is small and not statistically significant, according to researchers in Australia.

    First, the details.

    • 29 studies in more than 63,000 patients were identified and included in this reanalysis (meta-analysis) of the data.
    • Patients were at least 50 years old.

    And, the results.

    • Patients who took at least 80% of their calcium supplements had a significant 24% reduction in fractures of all types.
    • Taking calcium was also associated with a 24% reduction in the rate of bone loss — if they took their medicine.
    • Taking 1,200 mg of calcium daily was significantly more effective than lower doses.
    • Adding vitamin D to calcium did not change the effect of calcium.
    • Treatment benefits were greater in people older than 70, those living in an institution, and in people with lower bodyweight.
    • Those with a lower calcium intake before the study or at higher baseline risk also benefited most.
    • The benefit was consistent irrespective of gender, fracture sites, history of previous fracture, or the use of vitamin D.

    The bottom line?
    Great! But, patients must actually take the calcium (surprise!) in order to get the full benefit of calcium supplementation.

    The researchers recommend a minimum daily dose of 1200 mg calcium. If you’re going to take vitamin D, the recommended dose is 800 IU per day.

    8/27/07 09:55 JR

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