It’s nothing to lose sleep over—but definitely worth keeping in mind.

Most pre-workout supplements should be taken about 30-60 minutes before a workout, though the ideal time for you depends on ...

Pre-workout supplements can support energy, strength, and endurance during exercise, but they also come with several potential side effects.

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 ...