Dietary Supplement. Feel it in minutes. Lasts for hours. Great tasting. Vitamins. Nutrients. Caffeine. Sugar free. 4 calories. Individual results may vary. See www.5hourenergy.com for more details. Use as directed for: groggy mornings; afternoon lulls; long hours; long trips; whenever you're tired and can't afford a letdown. (These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.)