I'm curious about the differences in caffeine levels if one compares the same shot of freshly brewed espresso.
Deathwish coffee claim to pack the most punch but how so? Is it true or part placebo? How much can the caffeine vary and how do you measure it?
Deathwish coffee claim to pack the most punch but how so? Is it true or part placebo? How much can the caffeine vary and how do you measure it?
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