What do I use before a workout? Recently, Ive been using Energize the newest preworkout formula from Beachbody. Im fairly caffeine sensitive, so it kinda scared me at first. This, works for me. I prefer to cardio on an empty stomach, I will use Energize before lift sessions and evening cardio. (which are often followed by the lift, so it works well) Today I used it, in the am before my lift…I felt great and I was very focused for about 4 hours straight (major accomplishment) and no jitter! I have used other energy drinks & pre-workout drinks, and I got more than I was comfortable with. I would either hate the taste, the caffeine jolt was too much, the calories were to high or there was too much sugar.