The most important nutrient for muscle recovery after exercise is protein. Protein provides essential amino acids that aid in repairing and building muscle tissue that is often damaged during workouts. Consuming adequate protein supports muscle synthesis, reduces soreness, and enhances recovery time. A combination of protein with carbohydrates is often recommended post-exercise to replenish glycogen stores and maximize recovery benefits. Depending on activity levels, athletes may require higher protein intake to optimize recovery and support their training goals.