date:Mar 19, 2013
nd 15 female volunteers were randomly given either 500 milliliters of beetroot juice or, as a placebo, 500 milliliters of apple juice. They had their blood pressure measured hourly during the 24 hours following the juice consumption, and they remained at the clinic for one hour before resuming daily activities. This same procedure was repeated two weeks later, except that neither the beetroot juice nor the apple juice were consumed on first visit. No dietary restrictions were established.
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