Product Information from Twinlab Highest Quality 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. Each tablet contains the highest quality ingredients. This product is manufactured at our own state of the art facility with stringent quality control. Packaged in a glass bottle for maximum stability, quality and freshness. Other Ingredients: Dicalcium Phosphate, Cellulose, Vegetable based Stearic Acid, Purified Water, Magnesium Stearate, Silica, Titanium Dioxide, Polyethylene Glycol, Magnesium Silicate. Directions As a dietary supplement, take one controlled-release tablet two hours before bedtime. Do not exceed one tablet in any 24 hour period.