Issues with the purported inadequacy of nutritional supplements do parallel the overwhelming public angst over the limitations of psychiatric medications themselves.
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.
Review these several brief remarks here from Brain Pickings [strongly recommended] on improved actions for your personal transition to the realities of 2015.