An electrolyte drink is a beverage that contains essential minerals, such as sodium, potassium, calcium, and magnesium. These minerals help maintain the body's fluid balance, support muscle function, and regulate nerve signals. Electrolyte drinks are commonly used by athletes and individuals engaging in intense physical activity to replenish lost fluids and electrolytes due to sweating. These drinks can come in various forms, including powders, ready-to-drink bottles, or tablets that dissolve in water. Many electrolyte drinks are flavored and may contain added sugars or artificial sweeteners. Popular brands include Gatorade and Powerade, which are often consumed during sports or exercise.