I selectively tuned out the possible side effects, like irregular heartbeats, and bought Cellucor C4 pre-workout powder ... I started with half a scoop of pre-workout — a strategy my friend ...

To use, mix 1 scoop of the powder with 4-6 oz of cold ... Overall, we highly recommend Cellucor C4 Sport Pre Workout Powder for anyone looking to improve their workouts and achieve better results.

If you’ve brought a pre-workout powder, always read the instructions on the back of the packaging as to how much you should take, and when. Typically, you’ll mix a scoop of pre-workout into ...

The best pre-workout supplements will help power you through your workout without leaving you jittery. Here, a registered dietitian tested 12 popular options to find which ones came out on top.