This very potent Valerian root has been known for centuries to naturally support restful sleep. Valerian contains linarin, which naturally supports restful sleep. It aids sleep without the hormone of melatonin and is non-habit forming. Another known use for Valerian herb is to help reduce menstrual symptoms such as cramps, irritability, fatigue, etc. Our 100% pure formula includes USDA organic valerian root and nothing else! Why Choose Herbal Roots? Unlike other brands, you will NOT find binders, fillers, preservatives or additives in any Herbal Roots supplements. This product is USDA Certified organic, manufactured by a cGMP facility, and 3rd party tested.