Lavender oil / Silexan

Oral lavender oil / Silexan / Lavandula angustifolia oil / standardized lavender-oil preparations

The strongest current support is for anxiety symptoms / generalized anxiety disorder. Other uses on this page have narrower, weaker, or not-yet-clear evidence.

What the research says

Each row is a different health effect. A means the support looks strongest, B likely helpful, C mixed or modest, and — not enough human evidence yet.

B · Likely helpful

Anxiety symptoms / generalized anxiety disorder

The research suggests this may help with anxiety symptoms / generalized anxiety disorder in the studied settings. Broader claims would go beyond the evidence shown here.

9 papers · 6 research reviews

— · Not enough human evidence yet

—

Sleep quality / insomnia

Research has been reviewed for sleep quality / insomnia, but the current human evidence is still too limited or inconsistent for a confident benefit claim.

3 papers · 1 research review

Safety

Safety is graded separately from benefits. Even with a favorable safety label, these notes still matter if you take medication, are pregnant, or have a medical condition.

✓ Safe No clear harm signal in the human evidence reviewed.

✓

Medication and condition cautions

This is a safety note, not a benefit claim. It should not be read as a green light for every person or situation.

2 direct human studies

? Safety evidence unclear Human safety data are limited or inconsistent.

Side effects and tolerability

Safety evidence is limited here, so this should be read cautiously rather than as reassurance.

0 direct human studies

Quick facts

A quick read on what this page supports right now.

Health effects reviewed

2 health effects reviewed

Best grade shown

B · Likely helpful

Benefits with support

1 use currently shows some level of supportive evidence

Safety rows

2 separate safety or caution rows

Research volume

12 unique research papers across graded uses on this page

What this means

Keep any benefit claims limited to the specific graded uses shown here.

Quality-verified products

Products that pass third-party quality testing.

Product quality data coming soon

Any future product listings should stay aligned with the specific graded outcomes and the separate safety rows shown here.

How we graded Lavender oil / Silexan

This page shows the current public rows for Lavender oil / Silexan: 12 unique research papers across 2 visible health effects. Safety rows are shown separately from benefit rows when available. The page includes 7 review-level papers and 5 direct human studies. Each supplement is graded by health effect using a certainty × effect matrix applied across PubMed evidence per health effect. Cochrane reviews and high-quality systematic reviews carry the most weight. See Methodology for full detail.

Read the full methodology → · Citation PDF coming soon