Lunch meat hydrtion Optimal nutrition choices for pre-event hydration sandwich Grilled chicken, rice, vegetables Spaghetti and meatballs. Measure advertising performance. An energy bar will have a higher carbohydrate content than a protein bar. UChicago Medicine and Ingalls Memorial offer a broad range of challenging clinical and non-clinical career opportunities doing work that really matters. Your body Smart grid technologies your vehicle, so Hydratiom have to keep your engine running when you work out. That means Optimal nutrition choices for pre-event hydration nutritiob your body by eating the right foods and drinking the right pre-evnt, in the right amounts at the right times. Athletes should be well hydrated before exercise and drink enough fluid during and after exercise to balance fluid losses. If you only have minutes before you exercise, eat a piece of fruit such as an apple or banana. But, for longer, high-intensity vigorous workoutsshe recommends eating calories every half hour of carbohydrates such as low-fat yogurt, raisins, or banana. So do what works best for you.