Whether it is before a long ride or halfway through during our rest, having an electrolyte drink mix we can take to replenish and rehydrate helps us perform at our best. The Science In Sport GO Electrolyte Drink Mix is one of our favorite sports drink mixes and has a good amount of electrolytes and carbohydrates to refuel our bodies. This drink mix comes in a 3. 5-pound can and has only 146 calories per serving.