When we are doing exercise and workout, we need a lot of energy. We should always eat something before doing exercise and after that also. You should take carbohydrates before the workout. Take wheat toast after adding fruits to it. If you have to run in a race, you should eat banana. Exercise causes sweating due to which the potassium levels become very less. Banana supplies a lot of potassium and it helps in enduring the workout. You should also eat protein before the workout. The post workout snacks help the body in recovering from the lost energy. It also helps in curing muscle breakdown and fatigue. 50 awesome pre and post workout snacks are as follows.