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

Half of what people describe as tolerance is a change in the underlying condition, and the two need different answers.

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

Half of what people describe as tolerance is a change in the underlying condition, and the two need different answers.

A certificate of analysis answers one question and gets quoted as though it answers four. Same for me with iron bisglycinate, unfortunately.

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

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