Science-Based NutritionTMDietary SupplementHelps Maintain Mental & Emotional Well-Being*5-HTP (5-hydroxy L-tryptophan) is a naturally occurring metabolite of the amino acid tryptophan. 5-HTP is converted in the brain to serotonin, a neurotransmitter substance found at the junctions (synapses) between neurons. 5-HTP helps maintain mental and emotional well-being and promotes healthy sleep. Doctor"s Best 5-HTP is extracted from the seeds of the Griffonia simplicifolia plant.*Suitable for Vegetarians*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.Drug Interaction PrecautionsNot to be used when taking MAO inhibitors, selective serotonin reuptake inhibitors (SSRIs), or other anti-depressant medications. It should also not be used by individuals taking any of the category of medications known as "triptans."WarningsKeep out of reach of children.Best 5-HTP is tested to ensure that it does not contain "Peak X"Contains nothing other than listed ingredients.