Extra Doses of Vitamins C, E Don’t Guard Against Preeclampsia (HealthCentral.com) Copyright © 2007 ScoutNews LLC. All rights reserved. FRIDAY, Nov. 30 (HealthDay News) -- Taking extra doses of vitamins E and C doesn't reduce the chances of the blood pressure disorder preeclampsia in women who are at risk for the dangerous pregnancy complication, a new report finds. [News Source]