What, if any, is the difference between the caffeine in Guarana and the caffeine in coffee?
Caffeine is caffeine. Guarana is one source and coffee is another. The caffeine is no different from one source to the other. In its purest form it is called 1,3 dimethylzanthine. We added Guarana because of taste. Had we used coffee – – the taste would be significantly different, as you can well imagine.