"Two adults and their daughter aged five were suddenly taken ill after the midday meal. The adults died before a doctor could reach them and their daughter died shortly after her admission to hospital. It appears they had complained to neighbors of acute abdominal pain and vomiting"
http://swifletresearch.blogspot.com/2011/01/death-by-sodium-nitrite.html?m=
Another: "SUMMARY. A 67-year-old man accidentally ingested 75 g of sodium nitrate. He had instant gastrointestinal symptoms." Poor guy didn't even take deadly amount.
https://casereports.bmj.com/content/2014/bcr-2014-204825
I can find dozens more from of survivors who say it was agonizing but just google it and you will find them.
A laughing reaction for how ignorant you are, definitely.
You are now set to "ignore."