Add Yahoo as a preferred source to see more of our stories on Google. Best pre-workouts to energize your workouts. I tried a range of pre-workouts while training for a half-marathon to see which ones ...

Pre-workout supplements are a popular option for those looking to gain muscle. Designed to be consumed 30–60 minutes before your workout, pre-workout supplements commonly contain stimulating ...

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, ...

You may have heard athletes and avid gym-goers tout the benefits of pre-workout, a supplement that claims to give you more energy during exercise. But is pre-workout bad for you? To understand the ...