Valerian is a traditional herb used to ease pain, improve sleep, digestion, anxiety, and headaches. Valerian may increase the body’s available supply of gamma-aminobutyric acid (GABA), a neurotransmitter that eases physical tension and stress. Natural Factors Valerian Root 4:1 extract contains the equivalent of 1200 mg dried root per capsule.Features of Natural Factors Valerian Root 300 mg 90 CapsulesRelieves insomnia and promotes restful sleepRelaxes tense musclesEases gas pains and stomach crampsProvides relief from stress and nervous anxiety