Is a baseline blood test really necessary before starting something like this? Same for me with caffeine, unfortunately.

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

Sorry for the basic question, but how do you actually start one of these diaries?

Did not know half of this. Thanks.

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

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

Do you contact the customs office or the carrier first?