Most pre-workout supplements are considered safe for many adults, but they are not essential for health or exercise performance. Their ingredient mixes vary widely by brand. Ingredients like caffeine, ...

Researchers know that caffeine can improve mental processes, strength, power, and endurance during a workout. A 2016 study found that people who consumed pre-workout drinks containing caffeine saw a ...

Let’s be real—you don’t need a pre-workout supplement to have a great lift or make progress in the gym. But on days when your energy is dragging or motivation is lacking, the right pre-workout can be ...