Are there any known natural remedies that really lowers blood pressure?
There is an Indian ayurvedic remedy called
Ivy's Muktavati. It's supposed to deal with stress etc primarily, but I've read a lot of first hand accounts recently of people lowering bp after using it, sometimes by quite a lot. You could do a web search and try it. According to those in the know, it has to be Ivy's, not anyone else's. Should be harmless, if nothing else. But I claim no responsibility for damage to your bank account!