SEROTONIN SUPPORT: Solgar 5-HTP provides support for the brain by helping with the brain’s production of serotonin. PEAK X-FREE: This product provides natural-source 5-HTP that is peak X-free. MOOD AND RELAXATION: The formulation of Solgar’s 5-HTP helps to promote a state of relaxation as well as support a positive mood. KOSHER, GLUTEN FREE & SUITABLE FOR VEGANS: All vegetable capsules are KOF-K Kosher certified, non-GMO and certified gluten free. They are free of: gluten, wheat, dairy, yeast, sugar, and sodium. They are also free of artificial flavors, sweeteners, and preservatives.