Sorry, probably obvious, but where do you even start with something blank?

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

Is it normal to feel worse before better? Nobody told me that. Tolerance was my main issue with a closed practice too.

Is it normal to feel worse before better? Nobody told me that.

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

How do you tell the difference between the drug working and just a good week?