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 ...

Pre-workout supplements have become increasingly popular among women looking to ramp up their fitness routines. Depending on their ingredients, they can help build lean muscle, improve exercise ...

While there’s no single definition of what a pre-workout supplement should contain, many include various combinations of caffeine, beta-alanine, creatine, nitrates, and branched-chain amino acids ...

Pre-workout supplements are intended to boost energy so you can work out harder and longer. Taking pre-workout can cause side effects like nausea and shakiness due to high caffeine content. While ...

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 ...

This is read by an automated voice. Please report any issues or inconsistencies here. The pre-workout industry has absolutely exploded in recent years, and it has become a staple part of training ...

Learn how long pre-workout supplements stay in your system, which ingredients matter most, and what to consider for timing, health, and performance.

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 ...