1500mg/l = 3 X STRONGER than typical electrolyte drinks. Used to COMBAT CRAMP | ALL-NATURAL INGREDIENTS. Fast absorbing and easier on the stomach. No Artificial Flavours or Sweeteners. Gluten free and Vegan. | 8 WEATHER-PROOF PACKETS per box. One packet per 500 ml (16 oz) of water. | INDEPENDENTLY BATCH TESTED for a wide range of prohibited substances on the World Anti-Doping Agency (WADA) list. They are also INFORMED CHOICE/INFORMED SPORT REGISTERED. | PACKAGING UPDATE - Please note that whilst we transition to our new slimmer packaging, you may receive the older style packaging. The product inside is the same.