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submitted 2 months ago by fossilesque@mander.xyz to c/science_memes@mander.xyz

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[-] BarrelAgedBoredom@lemm.ee 7 points 2 months ago

You can buy 200mg pure anhydrous caffeine pills at Walmart for like $5. It's abundant and as safe as coffee if you don't go nuts. The max daily recommended dose is 400mg, anything past that could cause harm

[-] ArbitraryValue@sh.itjust.works 3 points 2 months ago* (last edited 2 months ago)

What I had in mind is more like this 25kg bucket. That's enough to kill about 2,000 people, which is actually a lot fewer people than I would have guessed before I looked up the LD50.

I've never actually seen caffeine in a bucket myself, but I worked in a lab once that had a big plastic jar of it.

[-] Liz@midwest.social 1 points 2 months ago* (last edited 2 months ago)

Isn't the LD 50 just over a gram?

[-] ArbitraryValue@sh.itjust.works 1 points 2 months ago

What I read was that it's about 200mg per kg, so for a 70kg human that works out to 14 grams. That actually sounds remarkably high (14 grams is a lot). Did I mess up somewhere?