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Valerian root has been the primary herb of choice for supporting a restful sleep since the 9th century. Modern research has confirmed this traditional use, and has identified valerenic acid, a component of the essential oil, as being primarily responsible for its relaxing effects. Planetary Herbals Full Spectrum Valerian Extract delivers 450 mg of a concentrated standardized extract yielding 0.8% valerenic acid, and an additional 200 mg of whole valerian root.
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