Sleep Fall Asleep Fast, Stay Asleep Longer 100% Drug-Free Extra Strength Vegetarian Value Size Dietary SupplementNatrol Melatonin 5 mg Fast Dissolve: Helps establish normal sleep patterns Fast Dissolve form - take anytime, anywhere; no water needed 100% Drug-Free and non-habit formingMelatonin is a nighttime sleep aid for occasional sleeplessness.