Finding a Doctor who knows about Pyroluria, Histadelia (Undermethylation) or Histapenia (Overmethylation)
Unfortunately, many doctors don't know about pyroluria, undermethylation and
Health Research Institute/Pfeiffer Treatment Center in Illinois researches and treats all 3 conditions and
provides training to other doctors.
They have a clinic in Warenville, Illinois and run outreach clinics in Arizona, northern and southern California, Maryland and Michigan. They may be able to help you find doctors in other areas who are trained in these conditions.
Here is a list of Pfeiffer trained doctors in Australia