CBD oil

Anyone tried it? I've found it remarkably effective for getting rid of persistent background anxiety. My first experience with it a few years ago was that it had zero effect. But I found later that this was because of confusion over dose (I'd been trying a cheaper oil that was very low CBD concentration and not clearly labeled). After a little bit of research, I recently tried higher concentrations, and found it worked. It's not up and downs of euphoria (it's practically zero THC - no "highs"), but for me very noticeably takes the edge off any anxiety throughout day. I just put around 10-15 drops of 4% concentration under tongue twice a day (after breakfast and evening meal). Pricey, of course, but the small bottle seems to last a long time.