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Head-to-head evidence comparison — which supplement is right for you?
Lavender wins 3 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Mostly mechanism / observational
Top outcomes
Verdict
Mostly mechanism / observational
1 of 1 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (2)
Outcomes where both Lavender and Valerian Root have evidence — compare verdict strength side-by-side.
80 mg oral Silexan daily OR aromatherapy inhalation 30–60 min sessions
Evening before bed for sleep and anxiety, Acute use before stressful procedures or events
Oral Silexan capsule (80 mg) for systemic/psychiatric use
300-600mg extract
30-60 minutes before bed
Standardized extract capsules
1–4 weeks
1–3 weeks
4–8 weeks
Acute to 2 weeks
2-4 weeks
2-4 weeks
Next morning
Immediate
Effects of lavender on anxiety: A systematic review and meta-analysis.
Phytomedicine : international journal of phytotherapy and phytopharmacology (2019) · Meta analysis
Meta-analysis confirmed significant anxiolytic effects of lavender across multiple administration routes
Efficacy of Silexan in patients with anxiety disorders: a meta-analysis of randomized, placebo-controlled trials.
European archives of psychiatry and clinical neuroscience (2023) · Meta analysis
Silexan 80 mg/day was significantly superior to placebo in reducing Hamilton Anxiety Rating Scale (HAMA) total scores
Efficacy of Silexan in subthreshold anxiety: meta-analysis of randomised, placebo-controlled trials.
European archives of psychiatry and clinical neuroscience (2019) · Meta analysis
Silexan 80 mg/day significantly reduced HAMA scores compared to placebo in subthreshold anxiety
Valerian Root in Treating Sleep Problems and Associated Disorders-A Systematic Review and Meta-Analysis
Journal of evidence-based integrative medicine (2020) · Meta analysis · n=6894
In addition, therapeutic benefits could be optimized when it was combined with appropriate herbal partners.
Fixed herbal drug combination with and without butterbur (Ze 185) for the treatment of patients with somatoform disorders: randomized, placebo-controlled pharmaco-clinical trial
Phytotherapy research : PTR (2009) · Rct · n=182
Analysis of the ITT population confirmed these results.
Herbal Medicines in Autism Spectrum Disorder: Therapeutic Potential, Plant Components, and Dosage Guidelines
Alternative therapies in health and medicine (2025) · Systematic review
Passionflower and Valerian Root alleviate anxiety and hyperactivity through GABAergic pathways.
Based on meta-analysis (n=1602) showing statistically significant improvement in subjective sleep quality but no improvement in objective polysomnography measures. Effect magnitude is conservative given mixed objective evidence.
AI-estimated from published studies. Interpret as directional guidance.
Lavender has a higher evidence score (7.2/10 vs 5.5/10) and wins in 3 of 3 categories.
For reduce anxiety & stress, Lavender has a higher relevance score (90 vs 60).
No known interactions between Lavender and Valerian Root have been documented in our database. However, always consult a healthcare provider before combining supplements.