Hibiscus tea, also known as roselle or Jamaica, is enjoyed around the world, hot or cold, for its bright red color and tart cranberry-like flavor. It’s the “zing” in Red Zinger tea. I talk about its benefits in the chapter on high blood pressure in How Not to Die, working as well as,3405 or even beating out, some antihypertensive medications in head-to-head tests.3406