I have and so has my son. It's easy cheap and very useful. I found out there was a better drug for me and he learned his present drug was good choice. This is huge. So many people bounce from drug to drug based on what has worked for other patients. The testing guarantees nothing except the fact that your body will be able to metabolize what your taking. If you can't metabolize it, (digest it), it can't help you. The testing also tells you if you will .metabolize so quickly you'll have take larger doses more often or that you will metabolize it so slowly that you should take smaller does less often. Your Doc needs to make that judgement but at least he/she will have the data needed to make that call.

Here is the link. Check it out. It's really easy. My insurance covered it and my sons MA paid for his. I'd have gladly paid the $330.00 maximum fee. This is really big. Mayo has now developed it's own version. Please, try it. No I don't work for either company. I've just watched many friends suffer or have awful experiences with drugs that didn't work for them
https://genesight.com/endtrialanderror/