The standard valerian extract is typically an aqueous-ethanolic (30:70) extract derived from the roots, which usually has a herb-to-extract ratio in the range of 4-7:1 herb:extract (by dry weight of plant matter) and is standardized to contain 0.8% valerenic acid.[1]
How is valerian typically extracted?
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•Last Updated: May 16, 2025
Valerian is typically extracted from the roots using an aqueous-ethanolic solution in a 30:70 ratio, with a herb-to-extract ratio of 4-7:1 by dry weight. The extract is standardized to contain 0.8% valerenic acid.