Our objective in this study was to examine the antihypertensive effects of H. sabdariffa tisane (hibiscus tea) consumption in humans.A randomized, double-blind, placebo-controlled clinical trial was conducted in 65 pre- and mildly hypertensive adults, age 30-70 y, not taking blood pressure {(BP)-lowering} medications, with either 3 {240-mL} servings/d of brewed hibiscus tea or placebo beverage for 6 wks.

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Source: http://jn.nutrition.org/content/140/2/298.full

Posted 5/30/2014
Revised link on 6/1/2017

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