Melatonin serves as the body�s biological clock, managing the sleep and wake cycles. Age, everyday stress and diet choices induced by busy lifestyles can take a toll on the body�s production of melatonin.�Natrol Melatonin vitamins, the #1 melatonin brand in America, is a nighttime sleep aid that assists with occasional sleeplessness. It helps to establish normal sleep patterns to give you a more restful, relaxing sleep and in turn, better overall health.� Natrol Melatonin Fast Dissolve comes in strawberry flavor that tastes great and can be taken anytime, anywhere. No water needed. It is fast-acting and perfect for those that have a hard time with swallowing vitamins and supplements.