Quercetin's Effect on Blood Pressure

Quercetin has become best known for its antiviral properties. However, this flavonoid found in red grapes and onions has many other benefits, including lowering blood pressure.

STORY AT-A-GLANCE

• A Japanese study identified one mechanism behind the blood pressure-lowering actions of quercetin. It is related to the action of negative chloride ions in the cell’s cytosol, influencing volume-dependent high blood pressure

• Quercetin is often combined with vitamin C or bromelain, a proteolytic enzyme found in pineapple stems. The combin…