Coffee Before a Workout: Here’s How to Get It Right – LIVESTRONG.COM

One of caffeine’s undisputed effects is its action as a stimulant on our central nervous system. This is what stimulates that “awake” feeling in the morning and helps us focus on the tasks at hand, including exercise. “Since caffeine increases alertness, a perceived improvement in cognitive performance may translate into greater focus on an athletic event,” Kelly Jones, RD, LDN, a Philadelphia-based sports dietitian, tells LIVESTRONG.com. It may also help increase body coordination and your ability to sustain your focus while working out — if you’ve ever run on a treadmill, you know how imperative this can be.