Ever since I started running, all I know is that I need to drink a sh*t ton of electrolytes. But I would like to understand why on a physiological level.
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Your body needs electrolytes in order to sweat. At a high level (I am DEFINITELY not an expert), your body uses the presence of those electrolytes in your sweat glands to draw moisture out of the body in order to sweat and regulate your temperature.
Electrolytes are also used in many other things, like muscle control (like how people say to eat a banana to avoid cramps, Potassium in Bananas are an electrolyte), so if you sweat out too much from exertion without replenishing them, you will start to have issues.
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