>Any coffee before lunch is just a placebo really. No. I understand what you're trying to convey but calling coffee before lunch a placebo is definitely going

>Any coffee before lunch is just a placebo really. No. I understand what you're trying to convey but calling coffee before lunch a placebo is definitely going too far. It's true that caffeine binds to adenosine, but 1) there is always a non-trivial baseline of adenosine in your system (and for many, morning adenosine levels are high in spite of having just slept) and 2) there is more than just caffeine in coffee.