Source Naturals Melatonin 2mg, 120 Tablets Package Quantity:1 | Size:120 Tablets Melatonin is a neurohormone produced in humans by the pineal gland. A favorite of travelers, it governs the body's circadian rhythms, helping the body ease into restful sleep. Melatonin is also a potent antioxidant.Source Naturals Timed Release Melatonin is formulated to allow for a gradual release of the active ingredient during an approximate six hour period. This provides the body with a more even absorption of melatonin. Features: Useful for occasional sleeplessness. A favorite of travelers, it governs the bodys circadian rhythms. Potent antioxidant. Product Details: Product Dimensions: 1.7 x 1.7 x 3 inches ; 1.92 ounces Shipping Weight: 3.2 ounces Domestic Shipping: Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues. International Shipping: This item is not eligible for international shipping. Learn More UPC: 021078000631 Item model number: SN0063