Flintstones of course, especially the "Barneys".
My 8 year son old took 2 a day and about 3 weeks later they "kicked in". First he started oiling up and posing in the mirror....
Coupla days latter, the little palooka smacked me and the ole lady around and then drove off in our Benz!
What suppliments are you running ? How high is your pressure? How old are you?
Do you have a history of hypertension? Without further info, no one can advise you.
That said, if your pressure is high please visit a doctor. Use a fake name if you must.
BTW, Propanalol (Inderal) a beta-blocker, is...