The factor is, everybody tolerates caffeine otherwise. Some folks may have no drawback ingesting 4 cups of espresso, about 400 milligrams of caffeine each day, whereas others get jittery after one cup or much less. So, in case your mind is feeling a bit sluggish, foggy, or flat-out operating on empty, what are you able to do? Nicely, caffeine could assist a bit with alertness, however there’s one other ingredient that’s even higher for reinforcing mind power.*
