Natural flavor with other natural flavor. 5 calories per serving. 90% fewer calories than leading beverages. Antioxidant vitamins & a plant extract to help nourish your skin from within (Crystal Light Skin Essentials is formulated with antioxidant vitamins A, C, and E and a plant extract containing lutein and zeaxanthin to help nourish your skin from within when you drink two 16.9 fl oz bottles per day). No caffeine. Low sodium. Gluten free. Quench your skin! Crystal Light Skin Essentials were developed with European dermatologists using a natural plant extract and antioxidant Vitamins A, C, and E, to help nourish your skin from within. Crystal Light. It's lively & unexpected, just like you! This product 5 calories. Leading beverages 70 calories.