Sports Medicine Weekly

Caffeine is the most popular psychoactive substance in the world, with 89 percent of people in the U.S. consuming at least one drink containing caffeine daily. People depend on caffeine or caffeine supplements for a temporary energy boost, to stay alert, to enhance focus, and even to improve their mood. With so many people so dependent on caffeine, today we are going to take an in-depth look at caffeine pills and supplements.