Are electrolyte drinks necessary for hydration?

Electrolyte drinks are marketed as essential for replenishing minerals lost through sweating, but for most people with a balanced diet, plain water and nutritious foods suffice for hydration. These drinks are particularly useful for athletes or those experiencing heavy sweating or illness, but for the average person, they are unnecessary and often contain excess sodium. Proper hydration can typically be maintained through regular water intake and a varied diet, with electrolyte supplements being reserved for specific needs.