Adding salt to sports drinks can improve performance, research suggests

Adding salt to electrolyte sports drinks can improve performance for endurance athletes, with many top drinks not containing enough sodium

Researchers in Spain have found that athletes who supplement their electrolyte drinks with extra salt perform better in endurance events than those who rely on the drinks alone for rehydration.

They found that the leading sports recovery drinks did not contain enough electrolytes to replenish those lost during long distance events, meaning the body will run on a sodium deficit.

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