
An electrolyte replacement drink or powder containing essential salts like sodium, magnesium, and potassium to maintain hydration and cellular function after fluid loss.
when you lose water, you need to replace it. Why? Well, you need water for all your cells, but you also need electrolytes.
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"The speaker explicitly mentions the need for electrolytes to replace what is lost through sweat in the sauna and highlights the importance of rehydration."