ZERO Protect is an advanced ZERO tablet which not only hydrates you, but also maintains your immune system during and after intense exercise. You can use this great tasting zero calorie electrolyte immune drink during exercise and throughout the day to rehydrate with vitamins, plant extracts and key electrolytes, including sodium and potassium. Simply drop a tab into your re-usable water bottle. In winter, why not try it hot? The tabs contain light natural flavours with no artificial colours. The easy-break tabs mean that you can choose your ideal drink strength.