They say it doesnt counteract with medications but fail to say that it can raise blood pressure. My normal blood pressure is 117/72, so I DO NOT have high blood pressure, but 3 days of Cylapril and constant headaches revealed my blood pressure at 147/94 every day that I took it. My doctor told me to get off it and flush it in the toilet. After reading all the complaints about unauthorized billing, i have been calling every wk and verifing that my account has indeed been closed. So far so good and no charges to my bank account except for the trial shipping fee. Experts tell us that all these herbs, etc can be dangerous but we just keep trying. read full review »