If you don't measure you simply won't know what is going on. Candida testing is remarkably available, quite predictable, and once identified can significantly improve treatment outcomes in psychiatric conditions.
This excellent Immunity Video Describes Gut Physiology - and spells out details in 7 minutes that can save you a lifetime of concerns, questions and misunderstandings.
More frequently we see Treatment Failures - patients who have tried almost every psych med out there, and experienced repeated treatment failures - IgG matters
Just as when traveling in any new territory we need useful new maps to find the towns we will be visiting. Many of these towns show up on the map with names we haven't heard before - and those names can be down right intimidating - even to a psychiatrist: