Lamprecht et al. Journal of Nutrition 2007

Medical University of Graz, Austria

Study summary and findings:

 When compared to placebo, Juice Plus+^® Orchard, Garden, and Vineyard Blends taken in combination effectively reduced an exercise-induced marker of oxidative stress and improved several indicators of immunity.

This study compared the effect of Juice Plus+^® Orchard, Garden, and Vineyard Blends or placebo on plasma markers of oxidative stress and immune function.  Also monitored were dietary intake and duty days lost due to illness.  This investigation was a randomized double-blind, placebo-controlled study of 41 healthy, fit policemen in the Austrian Special Forces “Cobra” unit, average age 34 years.  They were randomized to take either placebo or Juice Plus+^® capsules for 28 weeks (seven months) while following their standardized diet and training regimen.  Both groups consumed an average of 3.2 servings of fruit, including juice, and non-starchy vegetables daily.  Assigned duty hours for both groups averaged about 1140 during the first eight weeks, increasing 29.8% to about 1480 hours during weeks 8-16, and further increasing  to about 1620 hours (42.1% increase from the first eight weeks) during weeks 16-28.  This increase in duty responsibilities likely resulted in additional stress for the study subjects.  The Juice Plus+^® group had a lower concentration of carbonyl groups on protein compared to the placebo group, indicating lower exercise-related oxidative stress in the Juice Plus+^® group.  During the final twenty weeks of the investigation the Juice Plus+^® group also showed a trend for fewer duty days lost due to illness.  This was accompanied by a lower TNFa concentration, an indication of normal, healthy immune status.

 
Article Abstract: Journal of Nutrition 2007; 137 (12): 2737-2741

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