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German Study Finds Dietary Supplement Seems To Reduce Cold Symptom Duration

August 23, 2010: 01:41 AM EST
In a placebo-controlled study paid for by the manufacturer of dietary supplement Juice Plus+, German researchers found that daily intake of four capsules of the powdered fruit and vegetable juice product was associated with “a 20 percent reduction of moderate or severe common cold symptom days.” Participants in the study included 543 mainly female nurses aged 18-65 who were in regular contact with patients. The researchers acknowledged that the results found among the health professionals may not apply to the general population for various reasons. “Whether long-term intake of Juice Plus+ could further reduce severity or even the frequency of common cold symptoms and the possible underlying mechanisms should be assessed in future studies,” the researchers concluded.
Stephanie Roll, Marc Nocon and Stefan N. Willich, "Reduction of common cold symptoms by encapsulated juice powder concentrate of fruits and vegetables: a randomised, double-blind, placebo-controlled trial", British Journal of Nutrition, August 23, 2010, © The Authors Open Access
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