Electrolytes, such as sodium, potassium, and magnesium, play a crucial role in physical performance by regulating hydration, muscle function, and nerve impulses. During exercise, the body loses electrolytes through sweat, so replenishing them is essential to prevent cramping and fatigue. Maintaining proper electrolyte balance ensures optimal muscle contractions and prevents dehydration, enhancing overall performance. Consuming electrolyte-rich foods or drinks can help athletes stay energized and perform at their best.