Naturally and artificially flavored. No aspartame. Good source of vitamin C. Sugar free. 5 calories per serving. Wyler's Light has only 5 calories; leading beverages have at least 70 calories or more. Visit Jelsert.com. Proud sponsor. NOCC: National Ovarian Cancer Coalition: Jel Sert is proud to support the fight against ovarian cancer through knowledge and awareness. Help break the silence - talk about ovarian cancer. 800-Ovarian. www.ovarian.org. Gluten free. Caffeine free. Now you can enjoy the refreshing taste of Wyler's Light Drink Mix at the gym, at work, in your car or wherever you go! Facebook: facebook.com/wylerslight.