Crucial nutritional components for pre-workout meals include a balance of carbohydrates for energy, proteins for muscle repair, and adequate hydration. Carbohydrates should be consumed in moderate amounts to fuel the body during exercise, while proteins may help support muscle function and recovery. Additionally, consuming fluids ensures proper hydration, critical for maintaining performance and preventing fatigue. Timing is also essential; meals should be planned to allow for digestion prior to the workout. This combination of nutrients can optimize performance and enhance workout outcomes.