Is a baseline blood test really necessary before starting something like this?

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

Following this because I am in the same place and have no idea what to ask at the appointment.

Stupid question: how do you know whether what is in the vial matches the label at all?

Is a baseline blood test really necessary before starting something like this?

Same here.

How do I find the national register if I do not read the language?