Dr.NutriCornell said:

The variables that decide how a cross-border order goes are declaration wording, the destination country's import rules for prescription medicines,…

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

Seized and destroyed — had to get a reshipped package.

Tips: always include a copy of your prescription, declare medication properly on customs forms, keep quantities reasonable (personal use = 3 month supply max), and use a vendor who has experience shipping to your country.

Dr.NutriCornell said:

The variables that decide how a cross-border order goes are declaration wording, the destination country's import rules for prescription medicines,…

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.

DataDave said:

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

My experience ordering cross-border ordering internationally: I've ordered from an Indian manufacturer. Customs can be hit or miss.

Shipping time: 14-28 days
Customs clearance: required import documentation
Quality: Janoshik tested at 99.1% purity

International ordering adds complexity but can save 60-80% compared to US prices. Research your country's import laws first.

InsuranceTom said:

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

This matches mine closely enough to be worth saying so out loud. Nothing to add that would improve it.