Wednesday, September 21, 2011

Zinc lozenges may shorten cold duration

A recent systematic review looked at the results of 13 previous randomized controlled trials to examine the effects of zinc lozenges on the duration of the common cold.  They found a 42% reduction in the duration of the common cold associated with use of zinc acetate in daily doses over 75 mg.   It was noted that the trials that used less than this dose did not see a beneficial effect.  Therefore, the study concluded that zinc is effective in shortening colds only when administered at an adequate dose.  

While high dose zinc is helpful for short term use, over the long term it can actually have the opposite effect and begin to deplete the immune system.  Consult with Naturopathic Doctor to find out more.  

Yours in health,
Dr. Tara Andresen, ND

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