Dietary Supplement. 25 calories; 7 g carbs. Patented blend of quercetin + vitamins B1, B2, B3, B6, B12, C, E. Non carbonated. Quercetin may settle. Contains 10% fruit juice. Contains 48 mg of caffeine (equivalent to approx. 1/2 cup of coffee). Caffeine is used as a metabolic enhancer to help the body absorb other key nutrients in the FRS formula. FRS's revolutionary blend of nutrients extends your body's natural energy, fueling you up when you need it while supporting your health over the long haul. There's no jittery feeling or roller-coaster ride - just prolonged energy that helps keep you focused and fully charged. That energy comes from our secret weapon, Quercetin, an antioxidant found in foods like blueberries, apples and grapes. Its incredible ability to enhance your body's energy system is what keeps you feeling energized longer. Add a host of essential vitamins and you're ready to tackle anything from a minor workout to a major marathon. Comparison of flavonoid antioxidants per serving: FRS Healthy Energy - 410 mg; blueberries - 120 mg; raspberries - 40 mg; apples - 20 mg. Source: Flavonoid content of fruits from USDA Flavonoid Database using 1/2 cup serving size and 140 g weight for apples. Flavonoid composition varies among products compared. (These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease.)