B1st Endurance - EFS Liquid Shot Wild Berry Flavor ReviewbP PP 1st Endurance - EFS Liquid Shot Wild Berry Flavor PDelivers 400 super-charged caloriesPProvides complex and simple carbohydrates for rapid and sustained energyPOver 1500mg Electrolytes to prevent cramping. 150mg Calcium. 120mg Magnesium. 600mg Chloride; 400mg Sodium.