Melatonin is a naturally occurring compound that is produced by the body. It has been associated with normal body rhythms and sleep/wake patterns. Vitamin B6 helps support melatonin for healthy sleep.* WARNING: Take at bedtime only. Melatonin can induce drowsiness and sleep. Pregnant or nursing women, individuals taking sedatives or other medication(s), or persons who have a health condition should consult their physician before using this product. Do not use alcohol, drive a vehicle or operate machinery while taking this product.Do not use prior to surgery. *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.