Pre-workout supplements have become one of the most popular tools for anyone who wants to train harder, lift heavier, or simply feel more energized during exercise. Whether you’re a beginner at the gym, a competitive athlete, or someone who struggles with low energy after a long day, you’ve probably heard people rave about how pre-workout gives them the boost they need to perform. But what exactly is pre-workout? How does it work? Is it safe? Should you use it? This comprehen