Natural flavor with other natural flavor. 90% fewer calories than leading beverages. So ade-icting! 5 calories per 1/2 packet. Pucker up to the delicious, refreshing taste of Shurfine lemonade. One sip and you'll be hooked! This product 5 calories. Leading beverage 70 calories. www.shurfineinspires.com. Quality Guarantee: If you are not 100% satisfied, return our product for a full refund.