Naturally flavored with other natural flavors. No artificial flavors. 10 calories per bottle. More vitamins B, C & E than regular propel. No artificial sweeteners. 100% daily value of vitamins B3, B5, B6, C and E. From the makers of Gatorade. Gatorade level of electrolytes. propelwater.com. Comments: 1-877-3-Propel; propelwater.com.