Endothelin-1 Articles:

Quercetin Helps Blood Pressure

A study looking into the affect of various flavonoids on circulatory health, found that quercetin could reduce levels of endothelin-1. Endothelin-1 is a protein that constricts blood vessels and raises blood pressure, whereas nitric oxide that helps relax blood vessels and lower pressure.

Read More:  endothelin-1, nitric oxide, Quercetin