100% Daily value Vitamin C. Only 5 calories per serving! 90% Fewer calories than leading beverages. Artificial flavor. Sensible solution. Sugar free. Only 5 calories and 0 g carbs per serving. Sweetened with Splenda Brand. Now with Crystal Light in large ready to drink bottles, you can enjoy light, fruity-tasting refreshment anytime. Crystal Light is a delicious way to get the benefits of water and is sugar free, just 5 calories and 0 g carbs per serving. Contains 0% juice. Low sodium. No caffeine. This product 5 calories: leading beverages 80 calories.