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 ...

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, ...

A pre-workout drink isn't always about burning body fat or increasing mass. It may also be associated with keeping your energy at a higher level to avoid exertion. An ideal drink provides energy, ...

Most pre-workout effects peak within 30-90 minutes, but caffeine can stay in your system for up to 10 hours. Taking pre-workout later in the day may interfere with sleep, especially for people ...