Thank you Kathleen.

I'm not a metabolic physician I was a psychiatrist before I had to give up medicine thanks to this recessive defect but I'm happy to help others on their journey to health.

Metabolic physician. Along with genetic physician I recently found this in my own full genome and that's the route I'm taking. Zinc, will help. Lots of zinc. Titrate up as necessary. Human breast milk and Royal jelly are good sources of BH4 too Good luck. I'm trying to find out exactly how rare this...