Black Eye
Filter coffee with a double espresso in it - around 220mg of caffeine in one mug. A tool, not a habit.
Method
Filter
Typical volume
300 ml
Caffeine
225 mg
A reference figure for the drink, not a measurement of your cup.
What makes it
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More filter drinks
Log it, and the caffeine with it
Log every black eye you make and the app works out the caffeine. On iPhone it writes to Apple Health.
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