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Re:Thousands Say Kratom Cured Their Addiction, Government Sa... by throwawayjava on Sunday July 08, 2018 @05:25PM (#17486281)
TIL Starbucks coffee has a ton of caffeine. This explains why I'm super jittery every time I get Starbucks even though I drink (non-Starbucks) coffee every day.

So yeah, two freaking massive 20oz pours of highly caffeinated coffee will get you to around 1 gram.

But FWIW the daily recommended dose is 400mg. 1g is a ton of caffeine and way beyond what you would get to by sipping on coffee throughout the day (it's 10+ cups of drip).

Re:Thousands Say Kratom Cured Their Addiction, Government Sa... by ianai on Sunday July 08, 2018 @05:37PM (#17486349)
I don’t know where you got 400mg/day. Last I checked it’s 160 mg/day.
Re:Thousands Say Kratom Cured Their Addiction, Government Sa... by throwawayjava on Sunday July 08, 2018 @06:02PM (#17486477)
https://health.gov/dietaryguidelines/2015 mentions that 400mg/day is the upper bound for moderate caffeine consumption but provides no citation.

I cannot find where the number originates, but there is at least one study @ https://www.sciencedirect.com/science/article/pii/S027869151... which explicitly claims "vidence supported consumption of ≤400 mg/day in adults is not associated with overt, adverse effects."