High 5 zero xtreme pink grapefruit 20 tablet 8 pack zero is the uks leading electrolyte sports drink tab it produces a clean tasting and highly refreshing drink with zero calories the tabs contain light natural flavours with no artificial colours or preservatives zero contains vitamin c and 5 electrolytes including sodium magnesium and potassium vitamin c in zero supports a healthy immune system protects the cells from oxidative stress and contributes to the reduction of tiredness and