Dietary Supplement. Promotes positive mood. Helps control appetite. Naturally drug free. Natrol 5-HTP is a drug-free plant-derived source of an amino acid that naturally increases the body's level of serotonin, the chemical messenger that affects emotions, behavior, appetit, thought and sleep. Regular use of Natrol 5-HTP helps provide a more positive outlook, and promotes relaxation, calm and greater appetite control. www.natrol.com. No yeast, wheat, corn, milk, egg, soy, glutens, artificial colors or flavors, added sugar, starch or preservatives. Please recycle. (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.) Made in USA.