I have no idea if this holds up at all, but she claimed that recent science is showing a difference between natural and artificial caffeine. Her MLM was amazing because the caffeine in her products was naturally sourced and therefore more effective and better for you than the artificial stuff we get in many other drinks, mixes or pills.

I have no idea if this holds up, but if even vaguely factual it might explain why the caffeine effects of coffee for some people are different.

Personally, I’ve never had coffee and I seem to get plenty of energy from the much healthier Diet Coke and energy shots.