I also suffer this horrible condition and I need to be tested as well but funds are the problem but I will get that taken care of soon. Here is a website that you can use for test site info on all places around the world where they test for TMAU. Just paste this link in your browser and it will take you straight to the information source.
This info should be of great help to you. I used to use triple cleanse detox to clean my inside and it use to help me stay fresh for like 14 hours but it no longer works for me for some reason my body has become more unbearable. It used be off and on but I was able to keep it secret for years and now it is on 24-7 and I'm now after like 2 years of Isolation from friends and family begone to open up to them which is not easy. If there is anything that I can discover about how to manage it I will let you know.