valerian National Institutes of Health: Valerian Office of Dietary Supplements: Valerian http://ods.od.nih.gov/factsheets/Valerian-HealthProfessional Office of Dietary Supplements: Valerian (valeriana) active constituents. Valerian — Health Professional Fact Sheet Office of Dietary Supplements: Valerian (Valeriana) clinical research http://ods.od.nih.gov Office of dietary supplements: Valeriana [em inglês] Valerian some scientific evidence National Institutes of Health: Valerian (Valeriana) ods.od.nih.gov http://ods.od.nih.gov doesn’t appear to have any side effects Office of Dietary Supplements: Valerian (Valeriana) Hippocrates