Dr.LipidDallas said:

My experience ordering cross-border ordering internationally: I've ordered from a Canadian pharmacy.

This is where I part company with the consensus forming above. Import rules are jurisdiction-specific and this board keeps giving US-shaped answers to non-US questions. What is a personal-import allowance in one country is a controlled-import offence in another.

The figures, for anyone assembling their own picture. If you are going to change something, change one thing and give it long enough to express itself. Four weeks is the usual minimum for anything pharmacological on this board, and two weeks of data has told you almost nothing.

Dr.KarenChen said:

Import rules are jurisdiction-specific and this board keeps giving US-shaped answers to non-US questions.

Adding the part of the answer the thread has not reached. Order of operations matters more than any single choice here: establish a baseline, change one thing, wait long enough for it to express itself, then measure again under the same conditions.

I would rather be corrected than agreed with, if it comes to it.

A narrower follow-up, since the general answer is now clear:

How long did you give it before you decided it was working?

Reporting back.

Coming back a few months on. It held. Nothing dramatic to report, which is the report.