Star-of-Bethlehem

http://www.webmd.com/vitamins-supplements/ingredientmono-1163-STAR%20OF…

Side Effects: The Star of Bethlehem is UNSAFE to use as a medicine. It contains powerful chemicals called cardiac glycosides. These chemicals are similar to the prescription drug digoxin. This product should not be used without close medical supervision due to potentially life-threatening side effects such as irregular heartbeat. The cardiac glycosides in star of Bethlehem can cause harm, including death.

Uses: Heart failure. Individuals report that taking extracts of star of Bethlehem can improve heart function, decrease lung congestion, and decrease water retention in the legs. But a formal scientific study is needed to determine whether these benefits are typical.