Is neurotransmitter urine testing useful for diagnosis? there is a company that does this, but i've read that the results aren't useful.

Here are some ...: What is the intended purpose of testing neurotransmitters? And the practical usefulness of a test may be over-exulted at its discovery, but in time it may turn out to be controversy and even useless or harmful in considering personal or financial or social or professional perspectives. So, take these into consideration before fully embracing it. More? Ask Doc timely.