You have two changes at once here. You cannot attribute anything until one of them moves. Tolerance was my main issue with ordering in winter too.

A certificate of analysis answers one question and gets quoted as though it answers four. Currently on nicotine myself.

Most of the popular protocol is borrowed from a clinical population and applied to healthy people without comment.

Same here. Not on a long novel but the pattern is familiar.

Take one to a pharmacist. Free, two minutes, correct. Everything else here is a hypothesis.

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