Healthy Sleep CycleFree Radical ScavengerGastrointestinal SupportNon-GMOA Dietary SupplementVegetarian/VeganGeneral HealthFamily Owned Since 1968GMP Quality AssuredMelatonin is a potent free radical scavenger naturally produced in the pineal gland and present in high amounts in the gastrointestinal tract. It is involved in may of the body, brain and glandular biological functions including regulation of normal sleep/wake cycles, regulation of the immune system and maintenance of a healthy gastrointestinal lining.