Individuals will arrive at the Risk Factor Modification Centre, St. Michael's Hospital between the hours of 8:00 and 10:00am after a 10 to 12-hour fast on seven separate mornings. They will not have consumed any antihypertensive medications on the study mornings. Each visit will be separated by a minimum of a week. Since the half-life of ginsenosides in humans is less than 24-hours, to allow for a washout of approximately seven half-lives.