Wouldn't people who claim glutamate (MSG) allergies immediately die, since it's also a neurotransmitter?

HelixNebula@lemmy.ml to Asklemmy@lemmy.ml – 2 points –

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True. I guess nicotine is a good example of this. When delivered directly into the bloodstream (via inhalation or a nicotine patch) it is an addictive stimulant. When ingested orally it is poisonous.

It’s poisonous, anyway, and we don’t really know how the inhalation of chemical additives (at least idk) May compound the nicotine poisoning.

Back to being poisonous anyway, that’s why a lot of first time users feel nauseated and vomit.

You are right. All it took was 10 seconds for me to google. I am an idiot. What is true however is that it is much more dangerous when ingested orally. All my nicotine shots (for ecigs) carry the typical "skull" warning symbol, with the advice to call a doctor if you accidentally swallow some.