Ahh Canada, yeah not sure how hard it is to get there mate.. and yeah, the first place that I got it from years ago was onion but now in Europe there are a lot of sites you can just use normally.
I've taken maybe 30 different nootropics and its the only one that consistently delivers.. especially for having to push through lots of writing. Worth taking the time to track it down if you were thinking of it anyway.
If you can believably fake narcolepsy or shift-worker syndrome to a doctor you're away - but I've never heard of anyone that's successfully done that for obvious reasons