Solgar 5-HTP Vegetable Capsules provides natural-source 5-HTP that is peak X-free. 5-HTP supports your brain’s production of serotonin. This formulation helps to promote both a positive mood and a state of relaxation. Solgar 5-HTP Vegetables formula contains extracts of Griffonia simplicifolia and valerian with magnesium and vitamin B6 which work in synergy with 5-HTP. FREE OF: Gluten, Wheat, Dairy, Soy, Yeast, Sugar, Sodium, Artificial Flavor, Sweetener, Preservatives and Color.