Why Your Body Needs More Than Water If you've ever wondered how to make your own electrolyte drink - or whether it's even worth the effort - you're in the right place. Water is essential, and most of us know that. However, plain water doesn't replace everything your body loses when you sweat, work hard, or just drag yourself through a busy day. That's where electrolytes come in. Electrolytes are minerals - sodium, potassium, magnesium, chloride - that your cells need to communicate, contract your muscles, and keep your fluid balance steady. When those drop low, you feel it. As a result, you may notice fatigue, brain fog,…