biomesight

Does anybody have any proper information on the biomesight stool test https://biomesight.com/index ? Here’s some of my questions: This test seems to have never been part of a study or have any scientific value, is that correct? From what I can tell this "Long-Covid study" they advertise is...

I want to get a stool test done. I would like to get as much information as possible but it seems that there's no one lab that does everything that's available. I don't suppose there's a comparison website or article anywhere that shows the differences between the various tests on offer? I'm...