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?

How long before you can reasonably say something is or is not doing anything? Odd aftertaste was my main issue with rhodiola rosea too.

The pain score conversation is thirty seconds of my life I will never get back, every time. Currently on the unread posts view myself.

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

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