Get Your Personalized Supplement StackSupplement Stack Quiz

Organic Fresh And Dry Valerian

Also known as: Valerian, Garden valerian, All-heal, Valeriana officinalis

Overview

Valerian (*Valeriana officinalis*) is a perennial flowering plant native to Europe and Asia, with its roots and rhizomes widely used medicinally. It is primarily recognized as a herbal supplement for addressing insomnia and sleep disturbances, and it has also been explored for its potential benefits in managing anxiety and premenstrual symptoms. The plant contains volatile oils, including valerenic acid, iridoids, and valepotriates, which are believed to contribute to its sedative effects. While multiple randomized controlled trials (RCTs) and meta-analyses have been conducted, the results regarding its efficacy remain mixed. The available evidence suggests that valerian is generally safe, but its effectiveness in improving sleep and anxiety symptoms is still under investigation. It is available in various forms, including capsules, tablets, teas, and liquid extracts.

Benefits

Valerian has been studied for several potential benefits, primarily related to sleep and anxiety. Some studies suggest that valerian may improve subjective sleep quality, although objective measures like polysomnography and actigraphy have shown inconsistent results. A systematic review and meta-analysis indicated that valerian might improve sleep quality without significant side effects, but the effect sizes were small and not always statistically significant. Some research indicates that valerian may reduce actigraphic sleep latency compared to placebo. Additionally, valerian has shown promise in alleviating premenstrual symptoms, with one RCT demonstrating improvements in emotional, behavioral, and physical symptoms when taken during the last seven days of the menstrual period. However, other studies have found no significant reduction in anxiety or insomnia symptoms compared to placebo. Overall, the evidence for valerian's benefits is mixed, with some populations and conditions showing more consistent positive outcomes than others.

How it works

Valerian's mechanism of action is thought to primarily involve the modulation of GABA-A receptors in the brain. By increasing GABAergic activity, valerian promotes relaxation and sleep. Valerenic acid and valepotriates, key constituents of valerian, are implicated in these sedative effects, although other compounds present in the plant may also contribute. The interaction with the central nervous system (CNS) results in depressant effects, leading to reduced neuronal excitability. While the exact molecular targets are not fully understood, GABA-A receptors are considered the primary site of action, with possible involvement of serotonin receptors as well. The absorption and bioavailability of valerian's active compounds, such as valerenic acid and valepotriates, are not well-characterized, and these compounds may degrade during storage or in aqueous environments.

Side effects

Valerian is generally considered safe for short-term use, with most studies reporting no serious adverse effects. Common side effects, occurring in more than 5% of users, include mild gastrointestinal upset, headache, and dizziness. Uncommon side effects, affecting 1-5% of users, may include diarrhea, although this has been reported at a higher rate in some studies. Rare side effects, occurring in less than 1% of users, include allergic reactions and paradoxical agitation. Valerian may potentiate the effects of other CNS depressants, such as benzodiazepines and alcohol, so caution is advised when combining these substances. It is contraindicated in pregnancy and lactation due to insufficient safety data. Special populations, such as the elderly, individuals with liver disease, and those taking multiple medications, should use valerian with caution. It is important to monitor for any adverse reactions and discontinue use if they occur.

Dosage

The minimum effective dose of valerian root extract is typically around 300–450 mg. Optimal dosage ranges are generally between 450–900 mg, taken 30–60 minutes before bedtime. The maximum safe dose is considered to be up to 900 mg per dose, not exceeding 1,800 mg per day in divided doses, based on clinical studies. It is best taken in the evening, before bedtime, to promote sleep. Standardized extracts containing 0.8–1% valerenic acid are preferred for consistency. The bioavailability of valerian may be affected by the formulation and storage conditions. No specific cofactors are required for its effectiveness. Individuals should start with the lowest recommended dose and gradually increase as needed, while monitoring for any adverse effects.

FAQs

How effective is valerian for improving sleep?

Valerian's effectiveness varies; some users report improved sleep, while others do not. Results are mixed across studies. It is generally considered safe for short-term use, but monitor for side effects.

Are there any drug interactions I should be aware of?

Yes, valerian may interact with CNS depressants like benzodiazepines and alcohol, potentially increasing their sedative effects. Avoid combining valerian with these substances.

When is the best time to take valerian for sleep?

Take valerian 30–60 minutes before bedtime to allow time for its effects to manifest. Consistent timing can help regulate sleep patterns.

Is valerian safe for everyone?

Valerian is not recommended for pregnant or breastfeeding women due to a lack of safety data. Individuals with liver disease or those taking multiple medications should use it with caution.

How long does it take to see results from taking valerian?

Benefits may require repeated dosing and are not immediate. Valerian is not effective for all individuals, and results can vary.

Research Sources

https://pubmed.ncbi.nlm.nih.gov/17145239/ – This systematic review and meta-analysis examined multiple RCTs and found that valerian might improve sleep quality without significant side effects in individuals with sleep disturbances. However, the authors noted that the evidence was not robust due to heterogeneity in study design and outcomes, as well as small effect sizes.
https://journals.sagepub.com/doi/10.1177/2515690X20967323 – This randomized, placebo-controlled, double-blind study investigated the effects of valerian on 100 female students with premenstrual syndrome over three menstrual cycles. The study found that valerian significantly improved emotional, behavioral, and physical premenstrual symptoms compared to the placebo group, suggesting a potential benefit for women with PMS.
https://faculty.washington.edu/vitiello/Recent%20Publications/Taibi%20Valerian%20Review.pdf – This randomized, double-blind, crossover study assessed the impact of valerian on sleep latency in 8 healthy young persons. The study revealed that both 450 mg and 900 mg doses of valerian reduced actigraphic sleep latency, but subjective sleep latency and quality did not differ significantly from the placebo, indicating mixed results.
https://ods.od.nih.gov/factsheets/Valerian-HealthProfessional/ – This fact sheet from the National Institutes of Health provides a general overview of valerian, including its uses, potential benefits, and safety considerations. It highlights the mixed evidence regarding valerian's efficacy for sleep and anxiety, while also noting its general safety profile for short-term use.