the key is assessing your current level of function is a good history. the lab you have does not necessarily correlate well with what is really going on inside the body. This is one of the downfall of lab testing. you have gone through adrenal crash and incomplete recovery. Please do be very careful before proceeding with steroids or stimulatory compounds such as certain herbs in view of your current body condition. you need gentle nuturing, not stimulation further which may trigger another crash.
Make sure you read my article "7 adrenal recovery mistakes" . If you need more info, you need to call my office and my nutritionist will give you some tips on what to do that is on the right course. With the kind of crash you have experienced, the last thing you want to do is to trial and error with your weak body.