Sleep Fall Asleep Faster, Stay Asleep Longer 100% Drug-Free Natural Flavor Vegetarian Dietary SupplementNatrol Liquid Melatonin 2.5 mg: Helps establish normal sleep patterns. Wake up refreshed–no sleep hangover. 100% Drug-free and non-habit forming. In liquid form–easy to take, easy to personalize dosage.Melatonin is a nighttime sleep aid for occasional sleeplessness.