“There are several different pre-workout supplements, many with various ingredients,” says Jordan Hill, R.D., C.S.S.D., a ...

Most pre-workout supplements are considered safe for healthy adults, but they aren’t essential for health or performance. Whether you’re a regular at the gym or stick to at-home workouts, you may have ...

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 ...

C4 Pre-Workout is a workout supplement line from Cellucor that people may take before exercise to help increase energy, alertness, and strength. They contain caffeine and creatine, which may help ...

Pre-workout supplements, also called “pre-workouts,” are meant to give you energy for when you exercise. The main ingredient in most of them is caffeine. These supplements often come in pill or powder ...