Dietary Supplement. Sleep and immune support. Formulated with an optimal level of Melatonin, shown to help regulate your sleep cycle without next day grogginess. Drug free & non-habit forming. ZzzQuil.com. www.pg.com. Questions? 1-877-881-5813. (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.)