The diet is recommended by the National Institutes of Health and the American Heart Association.
The study appears in the publication called Circulation.
A natural way to lower blood pressure
July 7, 2009 Researchers from Northwestern University and the UK looked at data from over 4,500 people.
They found that eating 5 percent more glutamic acid was linked to a small decrease in blood pressure.
Glutamic acid is found in beans, whole grains, and soy.
