High5 zero hydration packrigorous testing byscientistsin the lab and athletescompeting in the worlds toughest events guarantees that high5s sports nutrition products perform when you do theycontain the highest qualitynatural ingredients and taste great get 2 tubes of zero tablets and a 750ml bottle for a great pricezerois 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