Jamieson Melatonin 10 mg Timed Release Dual Action is an enhanced maximum strength bi-layer, timed-release sleep aid formula. The first layer dissolves quickly to help you fall asleep fast, while the second layer slowly releases additional melatonin to ensure a full night of restful sleep.Helps improve sleep qualityTimed-release technology helps increase the total sleep time (aspect of sleep quality) in people suffering from sleep restriction or altered sleep schedule, e.g. shift-work and jetlagMaximum strengthNatural, safe and non-habit forming sleep aid