Energy Bars and Drinks Youre better off skipping any food or drink that has energy in its name right after working out. 설탕이 들어 있더라도 운동 전에는 괜찮을지 몰라도 운동 후에는 절대로 먹지 않는 것이 좋습니다. You could opt for a sugarfree energy bar, but its still a lot of calories that are going in.