Valeriana officinalis
·
Caprifoliaceae
·
Northern Hemisphere

Valerian

Garden Heliotrope, St. George’s Herb, Setwall

Useful parts

Roots

Key actions

Sedative, Anxiolytic, Antispasmodic, Anticonvulsant, Antiseptic

Active compounds

Essential oils, Terpenoids (valeric acid), Alkaloids, Flavonoids

This Site is for Educational Use Only: The information on this page is for educational and informational purposes only and is not intended as medical advice, diagnosis, or treatment. I am not a licensed medical professional. Always consult a qualified healthcare provider before using any medicinal plants, especially if you are pregnant, nursing, taking medications, or have a medical condition.

Possible Proposed Uses

Insomnia, Sleep disorders, Anxiety, Psychological stress, Migraine, Menstrual cramps, Labor support

Mechanism of Action

  • CNS depressant activity
  • Promotes relaxation

Possible Side Effects

  • Headaches
  • Daytime sedation
  • Dullness

Possible Drug Interactions

  • Avoid with CNS depressants (kava, opiates, benzodiazepines, barbiturates)

Abigail's notes

Valerian is one of those herbs that earns its reputation immediately and then reminds you to use it carefully. It was known as all-heal in medieval times, which tells you how broadly useful people found it before they had the vocabulary to explain why. Sleep, anxiety, blood pressure, stress management, menstrual cramps, stomach cramps. It covers a lot of ground for one plant.

I use it sparingly for sleep and I will be honest with you: it works, but it makes me wake up a little groggy and gives me some genuinely strange dreams. I don't reach for it often for that reason, but when I need it, it delivers. You can also find it in popular sleepy time tea blends if you want a gentler introduction before committing to a full supplement.

It's an antispasmodic, mild analgesic, mild bitter, and tranquilizer. For overactivity, tension, inability to relax, and muscle pain it's genuinely effective. The relaxation is real and noticeable, which is exactly why the safety notes below are worth reading carefully.

Safety note: Do not take before driving. Do not combine with other sedatives or antidepressants. It can cause an irregular heartbeat, headache, or upset stomach in some people. The drowsiness is not a maybe, it is a feature of this plant, so plan accordingly. Use with caution and treat it with the respect something called all-heal probably deserves.

Last updated on:
May 20, 2026

Deeper research options for you (because I would never ask you to just take my word for it)

Valerian https://www.nccih.nih.gov/health/valerian

Valerian's therapeutic uses https://www.ebsco.com/research-starters/complementary-and-alternative-medicine/valerians-therapeutic-uses

Valerian https://www.aafp.org/pubs/afp/issues/2003/0415/p1755.html

Valerian https://ods.od.nih.gov/factsheets/Valerian-HealthProfessional/

Valerianae radix - herbal medicinal product https://www.ema.europa.eu/en/medicines/herbal/valerianae-radix

Sacred Herbs by Opal Streisand

Herbal Remedies by Andrew Chevallier

Disclaimer: The content on this website is provided for informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. No provider-patient relationship is created by use of this site. The author makes no representations regarding the accuracy or completeness of the information and assumes no liability for any adverse effects resulting from the use of plants or remedies described herein.

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