I do 6-10 espresso cups per day, so 3-5 does sound very moderate.

It depends on how much caffeine is in your cup. Rather than measuring the size of a cup, I would go by the amount of coffee, as in the weight of the beans, used to brew it. The actual amount of caffeine is not as easy to measure, and even for the same kind of beans, there is natural variation.

For a traditional Italian espresso, about 7g of coffee beans are extracted. For a third-wave double espresso, it's usually 18g or more.

In my opinion, 10x7g is a lot. 2x12g is more than enough for me.

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frm88 a day ago | parent | next [-]

Rather than measuring the size of a cup, I would go by the amount of coffee, as in the weight of the beans, used to brew it.

I feel this is more precise than the ml cup measuremnts, but if you wanted to be really precise, you'd have to specify the type of beans used (the caffeine content varies widely) and even the brewing method https://oldchicagocoffee.com/coffee-bean-caffeine-content-by....

And - there is an influence - even in the region the beans are grown. In the link I provided they even go so far as to differentiate as to genetics of the beans.

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askvictor 2 days ago | parent | prev | next [-]

caffeine extraction is largely a function of time in contact with water. Espresso is quite quick brew, so has less caffeine than other brewing methods (yes, there are plenty of other factors)

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Edd314159 2 days ago | parent | prev [-]

There is no realistic scenario where, no matter your extractions or bean selections, 6-10 shots of espresso a day is not an enormous amount of caffeine

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criddell 2 days ago | parent [-]

A grande americano at Starbucks is a 16 oz drink with three shots of espresso. Have one in the morning and one in the afternoon and you are at six shots of espresso. That doesn't seem all that enormous to me.

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rpdillon 2 days ago | parent [-]

75mg per shot = 450mg caffeine

That's a bit over the recommended limit of 400mg a day the Mayo Clinic, FDA, etc. recommend. Not sure it it qualifies as 'enormous' or not.

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wang_li 2 days ago | parent [-]

The amount of caffeine that humans require to live is 0 mg. So ...

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IAmBroom 2 days ago | parent [-]

Irrelevant to the question (How much is 'enormous'?).

	▲	wang_li 2 days ago \| parent [-]
		It was a slight attempt to highlight that the conversation about a purely subjective thing is missing the point entirely. In the context of scientific discovery trying to qualify the outcome based on an individual's personal interpretation of descriptive words is a fool's errand. Attempting to justify one's personal habits or predilections is squarely in the flat earther camp of scientific belief.

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MagicMoonlight 2 days ago | parent | prev [-]

That’s not normal. It’s like saying “I drink 6-10 beers a day so 3-5 is very moderate”