Vitamin C Can Reduce High Blood Pressure, Study Finds CORVALLIS, Ore. - Researchers have discovered that a 500 milligram daily supplement of vitamin C can significantly reduce high blood pressure in hypertensive patients. The study, published this month in the medical journal Lancet, was done by scientists at the Boston University School of Medicine and the Linus Pauling Institute at Oregon State University. It was supported by the National Heart, Lung and Blood Institute of the National Institutes of Health. "Hypertension is a serious health problem in much of the world," said Balz Frei, professor and director of the Linus Pauling Institute, and a co-author of the research along with principal investigator Dr. Joseph Vita at Boston University. "It's a key risk factor in heart disease and strokes." "We believe this is a significant finding that may be of considerable value to patients who have moderately elevated blood pressure," Frei s...