Natural flavor with other natural flavor. 10 calories per packet. 90% fewer calories than leading beverages (per 16 fl oz beverage, this product 10 calories; leading beverages 130 calories). No caffeine. Low calorie. Have a glass! Crystal Light Drink Mix lets you add flavor to your life with just 10 calories per serving. All the flavor, only 10 calories - it's just the way you like it. CrystalLight.com. how2recycle.info. Carton made from 100% recycled paperboard minimum 35% post-consumer content. how2recycle.info