Dietary Supplement. L-5-hydroxytryptophan. Vitamin B6 & C. Griffonia bean extract/50 mg. Precursor to serotonin. Mood & appetite. Questions? 1-800-9Nature/naturesway.com. Gluten free. No sugar, salt, yeast, wheat, soy, dairy products, artificial colors, flavors or preservatives. Vegetarian. HTP is a mood/appetite regulating neurotransmitter. (This statement has not been evaluated by the Food & Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.)