Nature Made Melatonin Extended Release uses a specially formulated dual action tablet to release Melatonin both immediately and gradually throughout the night to help you fall asleep faster and stay asleep longer. Sourced from high-quality ingredients, this Nature Made extended release Melatonin for sleep support contains no synthetic dyes, no artificial flavors, no preservatives, and is gluten free. These sleep Melatonin tablets are also clinically proven to raise and sustain melatonin levels for 6 hours. Nature Made Melatonin 4 mg Extended Release Tablets are a sleep aid supplement for restful sleep. Adults, take one of these time release Melatonin tablets one hour before bedtime with water. Do not exceed one Melatonin tablet daily. Nature Made Melatonin supplements are quality you can trust. *Based on a survey of pharmacists who recommend branded vitamins and supplements.