Dr.PainCLE said:

International shipping tracking for cross-border ordering orders: my experience with customs in the US when ordering from overseas: Seized and…

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.

Happy to go further on any of that.

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.

DataDave said:

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

Coming at DataDave’s question from a different direction. There is a difference between no evidence and evidence of no effect, and this subject is one where the two get swapped freely in both directions.

One thing that is still open after InsuranceTom’s answer:

Was that from a primary source or from a summary of one?

Reporting back.

Closing the loop. The answer turned out to depend on the detail I had left out of the opening post, which is a lesson about how to ask rather than about the subject.