Contains Vitamin C and 5 electrolytes with zero calories Suitable for vegetarians ZERO produces a clean-tasting and highly refreshing drink with zero sugar and zero calories. The tabs contain light natural flavours with no artificial colours or preservatives. Simply drop a tab into your re-usable sports bottle and watch it rapidly dissolve. ZERO contains Vitamin C and 5 electrolytes, including sodium and magnesium. Vitamin C in ZERO supports a healthy immune system, protects the cells from oxidative stress and contributes to the reduction of tiredness and fatigue. Magnesium in ZERO contributes to electrolyte balance, reduces tiredness and fatigue, whilst supporting muscle protein synthesis. With minimal packaging, ZERO is environmentally friendly. The easy-break tabs mean that you can choose your ideal drink strength.