Blood Pressure Support Magnesium Powder is a delicious drink mix that provides 250 milligrams of heart-healthy magnesium and 90 milligrams of potassium that helps support blood pressure thatŐs already in a healthy range, cardiovascular health, and circulatory health. It also includes Trace MineralsŐ signature Ionic Trace Minerals complex that contains a full spectrum of ionic trace minerals for mineral balance.