Written confirmation email after every phone call. Cheapest insurance there is.

Reference ranges differ between labs, so comparing two reports is close to meaningless.

Where does the human data stop and the extrapolation begin? That is the whole thread.

Ten percent cuts. Slower is faster.

Reference ranges differ between labs, so comparing two reports is close to meaningless. Tolerance was my main issue with packaging quality too.

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

Worth asking what specifically was measured. Pain scores move with mood and function does not.