Dietary Supplement. Supports a good night's rest. 21st Century - for a healthier future. Melatonin works in harmony with your natural sleep cycle to promote relaxation and sleep so you can wake up refreshed and revitalized. No added sugar, yeast, preservatives, artificial flavors or colors. Gluten free. Laboratory tested. Guaranteed quality. www.21stcenturyvitamins.com. (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.)