If you go to this site:
/stopthethyroidmadness.com/recommended-labwork/ and scroll down to the bottom of the page, they list reliable labs for thyroid and adrenal testing. This is a fairly good site for adrenal health information, and an excellent site for thyroid health information.
I could rattle on for hours about
adrenals, testing adrenals and more. LOL! So, if you have specific questions, let me know. I've learned a whole lot while treating my own....without a doctor, as there were none in my area that was willing to test me(talk about
crazy!!). I had all the symptoms of thyroid and serious adrenal issues, and still no doctor would test me until I started seeing a doctor that refused to take insurance.
Something else that is frequently used for brain pressure is kudzu root. I wouldn't have a working brain if it weren't for Kudzu root and a few other things!