Most of us think about hydration as a simple question of drinking enough water. But water is only half the story. Every time you sweat, you lose more than fluid. You also lose minerals your body relies on to keep your muscles moving, your nerves firing and your energy levels steady.

Those minerals are electrolytes. Whether you train hard, work long shifts on your feet, or simply find the afternoon slump hitting harder than it should, getting enough of them can make a real difference to how you feel day to day.

In this guide we'll explain what electrolytes are, the health benefits of the key minerals and vitamins, who needs them most, and what to look for in a good electrolyte drink.

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