Valerian root (Valerianae radix)

Published May 15, 1985; Revised March 13, 1990.
List of German Commission E Monographs (Phytotherapy)


Name of Drug

Valerianae radix, valerian root.

Composition of Drug

Valerian root, consisting of fresh underground plant parts, or parts carefully dried below 40° C, of the species Valeriana officinalis L. [Fam. Valerianaceae], and its preparations in effective dosage.

The roots contain essential oil with monoterpenes and sesquiterpenes (valerenic acids). Preparations of valerian used therapeutically (infusion, extract, fluidextract, tincture) no longer contain the thermolabile and chemically unstable valepotriates.


Restlessness, sleeping disorders based on nervous conditions.


None known.

Side Effects

None known.

Interactions with Other Drugs

None known.


Unless otherwise prescribed:


2 - 3 g of drug per cup, once to several times per day. Tincture:

½ - 1 teaspoon (1 - 3 ml), once to several times per day. Extracts:

Amount equivalent to 2 - 3 g of drug, once to several times per day. External Use:

100 g for one full bath; equivalent preparations. Mode of Administration Internal:

As expressed juice from fresh plants, tincture, extracts, and other galenical preparations. External:

As a bath additive. Actions Sedative