In the US and around the world, caffeine is consumed regularly in coffee, teas, sodas, energy drinks, or other supplements. Caffeine, a known energizer that promotes focus, must certainly be included with the other proven nootropics. There’s a reason why caffeine may be the most commonly used nootropic in the world.
Everyone experiences anxiety at some time in their lives. If you’ve ever had to speak in front of a group of people you’ve felt that “butterflies in the stomach” feeling of dread that most of us (with the exception of extremely gregarious people) experience. The feeling can come about before a big event (like taking an exam in school) or when attempting to do something that stretches you to the edge of your comfort level (akin to approach anxiety).