This product is specially formulated to provide a controlled-release of 2 mg of melatonin over a prolonged 6-hour period. This action prolongs benefits by maintaining a constant level of melatonin in your blood. Manufacturer's Suggested Usage: One con trolled-release tablet two hours before bedtime. Do not exceed one tablet in any 24 hour period. Each capsule provides: 2 mg Melatonin Manufacturer's Warning:This product is not to be taken by pregnant or lactating women, individuals with a utoimmune conditions or depressive disorders, or children under 16 years of age. Do not take this product when driving a motor vehicle or operating machinery.