Powerful Pre-Workout Foods to Boost Your Performance Fueling your body before a workout is crucial to maximize your performance. The right pre-workout foods will provide you with the energy and stamina needed to push through intense training sessions. Here are some top pre-workout foods that will give you explosive energy and enhance your workout performance. 1. Bananas: The Natural Energy Source Bananas are a favorite pre-workout food due to their high carbohydrate content.