Keeping yourself hydrated has never been so simple, ZERO is a refreshing sugar free electrolyte drink with zero calories. You can use ZERO during exercise and throughout the day to rehydrate with Vitamin C and key electrolytes, including sodium and magnesium. The tabs contain light natural flavours with no artificial colours or preservatives. The easy-break tabs mean that you can choose your ideal drink strength. This scientific formula includes Vitamin C to support a healthy immune system, protect cells from oxidative stress and reduce tiredness and fatigue.The magnesium in ZERO contributes to electrolyte balance, whilst also supporting muscle protein synthesis. ZERO is designed to be taken BEFORE, DURING and AFTER exercise and in hot weather.