Root & Tuber · Root/Rhizome
Valerian Root (Valeriana Officinalis)
Strong Evidencebotanical3 PubMed Studies
Hermetica Superfood Encyclopedia
Valerian root (Valeriana officinalis) contains valerenic acid and isovaleric acid that enhance GABA neurotransmitter activity in the brain. These compounds bind to GABA-A receptors, producing sedative and anxiolytic effects that improve sleep quality and reduce anxiety.
Valerian Root, from the Valeriana Officinalis plant, is native to Europe and Asia. The roots are harvested, washed, and dried to be used in teas, capsules, and extracts.
Numerous RCTs and meta-analyses support its efficacy in improving sleep quality and reducing anxiety. Evidence for other uses is emerging.
Common dosage is 400-900 mg of valerian extract before bedtime. Consult a healthcare provider before use.
- Contains valerenic acid, which contributes to its sedative effects. - Rich in antioxidants and essential oils. - Provides amino acids like gamma-aminobutyric acid (GABA).
Valerian root's primary bioactive compounds, valerenic acid and isovaleric acid, enhance GABAergic neurotransmission by binding to GABA-A receptors and inhibiting GABA breakdown. The compounds also interact with adenosine A1 receptors and may influence serotonin and norepinephrine pathways. This multi-target approach creates sedative, anxiolytic, and muscle-relaxing effects through central nervous system depression.
Multiple randomized controlled trials with sample sizes ranging from 100-400 participants demonstrate valerian root's sleep-promoting effects. Studies show 300-600mg taken 30-120 minutes before bedtime can improve sleep quality scores by 15-80% and reduce sleep latency by 15-20 minutes. However, results vary significantly between studies, with some showing minimal benefits compared to placebo. Meta-analyses suggest modest but consistent improvements in subjective sleep quality, though objective sleep parameters show less reliable changes.
Valerian root is generally well-tolerated but can cause morning drowsiness, headaches, and gastrointestinal upset in 10-15% of users. It may potentiate the effects of sedative medications, benzodiazepines, and alcohol, requiring medical supervision for combined use. Valerian should be avoided during pregnancy and breastfeeding due to insufficient safety data. Discontinuation after prolonged use may cause mild withdrawal symptoms including rebound insomnia.
5 documented interactions for Valerian Root (Valeriana Officinalis). Click any row to read the full explanation. Always consult your healthcare provider before combining supplements with medications.
Valerian and Xanax both work on GABA. Together may cause excessive drowsiness and impaired coordination.
What to do: When combining Valerian Root with Alprazolam, start with lower doses of Valerian Root. Avoid driving until you know how this combination affects you. Do not add alcohol, as it can amplify both sedation and mood effects.
Timing: Take Alprazolam only as prescribed — benzodiazepines carry dependence risk and should not be adjusted without medical guidance. Valerian Root at a separate time. Sedating botanicals (valerian, kava, passionflower) enhance GABA activity and can amplify sedation. Use with extreme caution or avoid.
Full interaction details →Valerian and Ativan both work on GABA. Combination can make you excessively drowsy.
What to do: When combining Valerian Root with Lorazepam, start with lower doses of Valerian Root. Avoid driving until you know how this combination affects you. Do not add alcohol, as it can amplify both sedation and mood effects.
Timing: Take Lorazepam only as prescribed — benzodiazepines carry dependence risk and should not be adjusted without medical guidance. Valerian Root at a separate time. Sedating botanicals (valerian, kava, passionflower) enhance GABA activity and can amplify sedation. Use with extreme caution or avoid.
Full interaction details →Valerian and Valium both affect GABA. Together they may cause excessive sedation.
What to do: When combining Valerian Root with Diazepam, start with lower doses of Valerian Root. Avoid driving until you know how this combination affects you. Do not add alcohol, as it can amplify both sedation and mood effects.
Timing: Take Diazepam only as prescribed — benzodiazepines carry dependence risk and should not be adjusted without medical guidance. Valerian Root at a separate time. Sedating botanicals (valerian, kava, passionflower) enhance GABA activity and can amplify sedation. Use with extreme caution or avoid.
Full interaction details →Both Valerian and Vistaril cause drowsiness. The combination may be overly sedating.
What to do: When combining Valerian Root with Hydroxyzine, start with lower doses of Valerian Root. Avoid driving until you know how this combination affects you. Do not add alcohol, as it can amplify both sedation and mood effects.
Timing: Take Hydroxyzine as prescribed. Valerian Root can typically be taken with a meal at a different time. As a general rule, space botanicals 1-2 hours from prescription medications. St. John's Wort is the most interaction-prone botanical — it affects dozens of drugs via CYP enzyme induction. Always inform your prescriber about herbal supplements.
Full interaction details →Valerian and Ambien both promote sleep through GABA. Together, sedation may be excessive.
What to do: When combining Valerian Root with Zolpidem, start with lower doses of Valerian Root. Avoid driving until you know how this combination affects you. Do not add alcohol, as it can amplify both sedation and mood effects.
Timing: Take Zolpidem as prescribed. Valerian Root can typically be taken with a meal at a different time. As a general rule, space botanicals 1-2 hours from prescription medications. St. John's Wort is the most interaction-prone botanical — it affects dozens of drugs via CYP enzyme induction. Always inform your prescriber about herbal supplements.
Full interaction details →Educational information only. Always consult a qualified healthcare provider before changing your supplement or medication regimen.
