Valeriana officinalis
GABA receptor agonist that improves sleep quality with 2-4 weeks of consistent use — best as part of a nightly routine.
Valerian root has been used for centuries to promote sleep and reduce anxiety. It contains compounds that interact with GABA receptors. Effects are typically subtle and may take 2-4 weeks of consistent use to become noticeable. Works best as part of a sleep routine rather than acute use.
Enhances GABA signaling for calming effects
May promote sleepiness through adenosine
How Valerian Root works — from molecular targets to health outcomes. Click an edge to see supporting research.This visualization is in beta — pathways are being refined and expanded.
300-600mg extract
Can be taken without food
| Form | Type |
|---|---|
| 💊Standardized extract capsules | Recommended |
| 🍵Tea | Alternative |
| 💧Tincture | Alternative |
| 🧪Root powder | Alternative |
Extracts standardized to valerenic acid content are more reliable. Tea is traditional but less potent.
Minimum: 2 weeks
Optimal: 4 weeks
Cycling: Use for 4-6 weeks, then take a 1-week break. Long-term safety data is limited.
Note: Take consistently at the same time each night. May take 2-4 weeks to see full benefits. Can be taken with or without food.
Better subjective ratings of sleep
Subtle calming effect before bed
Some feel groggy the next morning
Valerian has an unpleasant odor
Avoid due to insufficient safety data
Not recommended for children under 12
Additive sedative effects
Increased sedation
Stop 2 weeks before surgery
Tip: Take earlier or reduce dose
Tip: May resolve with continued use
Tip: Take with food
Different mechanisms for sleep support
Melatonin for sleep timing, valerian for relaxation
Both support relaxation and sleep
Enhanced calming effect before bed
Traditional combination for sleep
Enhanced sleep support
Both enhance GABA activity
Stronger sleep and anxiety support
Top studies from 18+ peer-reviewed papers
Shinjyo N et al. • Journal of evidence-based integrative medicine (2020)
“However, due to the presence of multiple active constituents and relatively unstable nature of some of the active constituents, it may be necessary to revise the quality control processes, including standardization methods and shelf life.”
Melzer J et al. • Phytotherapy research : PTR (2009)
“In total 9 non-serious adverse events were documented but the distribution did not differ significantly between the treatment groups.This herbal preparation (Ze185) showed to be an efficacious and safe short-term treatment in patients with somatoform disorders.”
Aldekhail NM et al. • Alternative therapies in health and medicine (2025)
“Research must address herb-drug interactions, long-term effects, and biomarkers for personalized treatment. autism spectrum disorder, herbal medicines, narrative review, doses recommendation, therapeutic effects, side effects.”
Crawford C et al. • Journal of alternative and complementary medicine (New York, N.Y.) (2021)
“Potential solutions to address research gaps are offered, for future research next steps, which is needed to strengthen the evidence and inform decisions.”
Shinjyo N et al. • Sleep Medicine Reviews (2020)
“Valerian showed a statistically significant but clinically modest improvement in subjective sleep quality across pooled RCTs.”
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