Dietary Supplement. Healthy energy. Liquid concentrate. 16 servings. Low calories. Naturally flavored. 20 cal energy fueled by Quercetin. What fuels you. Want to discover what elite athletes, pro sports teams & wellness gurus already love? It all began with health scientists trying to provide sustained energy for chemotherapy patients. FRS Healthy Energy is an amazingly delicious performance product, powered by a patented formula containing Quercetin, green tea catechins and essential vitamins. Quercetin is a powerful all natural antioxidant found in foods like blueberries, apples and grapes that works by naturally triggering your cells' ability to produce sustained energy - so you can focus on increase your stamina to maximize performance. Try FRS products for a week and feel the difference for yourself. Enjoy! Comparison of Flavonoid Antioxidants per Serving: FRS Healthy Energy - 315 mg; Blueberries - 120 mg; Apples - 20 mg. Source: Flavonoid content of fruits from USDA Flavonoid Database using 1/2 cup serving size & 140 g weight for apples. Flavonoid composition varies among products compared. No artificial flavors, colors or preservatives, gluten free. Contains 5% fruit juice. Each 2 oz of concentrate contains 35 mg of caffeine (equivalent to approximately 1/3 cup of coffee). (These statements have not been evaluated by the FDA. This product is no intended to diagnose, treat, cure or prevent any disease.). For more info about the benefits of FRS go to: FRS.com.