Careful with attribution. You changed the timing, the dose and the season. That is three variables.

Worth asking what specifically was measured. Pain scores move with mood and function does not. How long have you been on a subject access request?

A certificate of analysis answers one question and gets quoted as though it answers four.

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

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