Most alternative lists rank drinks by how virtuous they sound. This one ranks seven by usable energy: caffeine dose, crash profile and evidence, with the zero-caffeine options honestly labelled as ...
A typical energy drink is a 160 to 300 mg caffeine hit with a sugar spike; mushroom coffee is a normal cup smoothed with L-theanine. Here is the side-by-side, why the crash happens, and how to swit...