Artificial flavor. 5 calories per serving. 90% fewer calories than leading beverages. Slimmer box, same 10 packets. Please recycle this carton. Say yes to delicious! Crystal Light lets you have it all! Thirst-quenching flavor for your water and just 5 little calories per serving. Sugar free. No caffeine. Low sodium. Gluten free. Carton made from 100% recycled paperboard. Minimum 35% post-consumer content.