The significance of post-workout nutrition lies in its ability to promote recovery, replenish glycogen stores, and stimulate muscle repair. Consuming a combination of carbohydrates and protein shortly after exercise can enhance recovery and reduce muscle soreness. This is particularly important after intense workouts or endurance training. Proper post-workout nutrition can also improve performance in subsequent workouts, leading to better training adaptations. Therefore, fueling the body post-exercise is crucial for anyone looking to maximize fitness gains.