Herbal Supplement. Standardized extract. Promotes relaxation and sleep. Smart facts: Our stressful lifestyles often result in frazzled nerves and racing minds, which can occasionally affect sleep. Sundown's Valerian Root Plus is designed to help with occasional sleeplessness and works with your natural cycle to promote relaxation. (These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.)