I found this most helpful in controlling a serious problem
After 4 trips to hospital with very high B.P. (normally its ok), that resulted in minor heart damage, they felt the problem could be related to a problem / tumour ?in an adrenalin gland somewhere. B.P. medications wasn't sufficient on its own to control the on going problem.
While its being investigated, taking Siberian Ginseng has acted like putting a ceiling on it & since taking it my B.P. has not gone through the roof so no more trips to the Emergency Department. Read that its best to have a a 2 week break from taking it every 8 weeks.