Science-Based Nutrition™Helps Promote Healthy Sleep Cycles and Enhances Sleep QualityVegan / Non-GMO / Gluten FreeDietary SupplementDoctor's Best Melatonin supplies melatonin, a naturally secreted substance in the body to help regulate circadian rhythm, often referred to as the "internal body clock", that tells our body when to sleep, rise, eat - regulating many physiological processes for the body and the brain to function normally. Certain factors may affect circadian rhythm such as individuals adjusting sleep-wake cycles with daily work schedule shifts or time zone changes and jet lags.Supplemental melatonin helps by regulating the onset of a quality and overall sleep with the benefits of a fast-acting and pleasant-tasting chewable tablet.Helps support circadian rhythm (internal body clock)Helps support healthy sleep cycleHelps support overall sleep qualityHelps support cognitive function and brain healthHelps support recovery from jet lag