Get a good night's rest with Advanced Sleep Melatonin from Natrol. This maximum strength formula helps you fall asleep and stay asleep. Natrol's formula delivers 10 mg of melatonin with unique 2-layer technology. The outer layer first releases melatonin quickly to help you fall asleep fast. The inner layer releases melatonin slowly to help you stay asleep longer. No yeast, wheat, corn, milk, egg, soy, glutens, artificial colors or flavors, added sugar or preservatives.