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Sodium Nitrite (SN) Method Introduction This document is a compilation of different sn information, members inputs, important posts related to sn, recorded suicide cases related to sn, different research on sn and so on. This document also give a full understanding of SN, what it is, how it...
sanctioned-suicide.net
I can't help you with buying SN.
You'll have to find a source that ships to your country. I don't know what the current situation is in the UK either.
Maybe someone will send you a source, but people are usually wary of sending sources to new people.
Good luck.