Worth repeating that this is not medical advice and the answer often depends on who you are.

You have two changes at once here. You cannot attribute anything until one of them moves. Currently on a delayed delivery myself.

Sleep first. Bad night, bad day, more symptoms. Fix that before changing anything else. Currently on a moderation change myself.

I would stop trying to convey how bad it is and start saying what you want them to do.

What do you do about the fee? Do you just pay it?

Personal experience, labelled as such, is exactly right here. Nobody is prescribing.

File early. The window is shorter than people think and it starts at the transaction. A year in on a flagged address and it lines up.

You have two changes at once here. You cannot attribute anything until one of them moves.

Same here.

Is a baseline blood test really necessary before starting something like this? Currently on L-tyrosine myself.