You would think people would actually have the time to search this forum for past threads that have answered this exact question thats been before. There's nothing to doubt in terms of its reliability as people mostly fail by calling for help or by getting found just as with any method no matter how reliable it is. It has a proven track record of working when protocol is followed, I don't know how many more times this will be repeated.
@CW36 you are absolutely overcomplicating SN as a method in terms of its practial approach. It is not a "certainly a complex and extremely prolonged procedure". Tell me just how long is 8 hrs of prep time to do a stat dose of SN. 48hrs sure does sound like a lot, enough for people's SI to act up but that's why there is Stat dose as an alternative.
Seriously, the fears some people have over this method is understandable but sometimes a bit too exaggerated. Losing vision over SN isn't permanent as far as I've seen, just another symptom of low blood pressure from the loss of oxygen during the process.
Also if you are so worried about vomiting, read this.
I have been through every account of failed SN attempts. Vomiting has never been reported as a cause of SN failure. There are only two accounts that could conceivably have been due to vomiting: @Silasruin on 4/25/20, took 75% of 60g SN in 150 ml water, reported rapid onset vomiting and also...
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