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Lavender Oil (Silexan) — SacredBod supplement bottle (illustrative)
Supplement · stress

Lavender Oil (Silexan)

Silexan · Lavandula angustifolia · Lavender Extract · WS 1265

80 mg Silexan per day (1-2 capsules) · vegan · gluten-free · 28 caps

generalized-anxietyrestlessnesssleep-difficultynervous-tensionlow-mood brainlimbic-system
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Overview Stacks Timing Related Research FAQs Blog

What it is

Silexan is a patented, pharmaceutical-grade lavender oil preparation (WS 1265) standardized to specific linalool and linalyl acetate content. Unlike aromatherapy lavender or culinary lavender, Silexan is an oral preparation that has undergone extensive clinical testing in Europe, where it is approved as a prescription anxiolytic in Germany and other countries. It is distinct from essential oil capsules sold as dietary supplements—most lavender supplements on the market are not Silexan and do not have the same evidence base.

How it works

Silexan inhibits voltage-dependent calcium channels (VDCCs) in neurons, reducing excitatory neurotransmitter release. It also inhibits the serotonin transporter (SERT), increasing synaptic serotonin availability—an SSRI-like mechanism but with additional GABA-A modulation. Kasper 2014 demonstrated non-inferiority to paroxetine 0.5 mg/day for GAD over 10 weeks. Möller 2019's meta-analysis of 7 RCTs confirmed a significant anxiolytic effect (Hedges' g = 0.57) with onset within 1-2 weeks. The effect size is comparable to low-dose SSRIs and benzodiazepines but without sedation, dependence, or sexual side effects.

Who should take it

Adults with mild-to-moderate generalized anxiety disorder (GAD) who want a non-sedating, non-habit-forming alternative to benzodiazepines or SSRIs. People with situational anxiety (exams, presentations) who need short-term support. Not for severe anxiety, panic disorder, or OCD.

Avoid / careful

Avoid if you take CNS depressants (benzodiazepines, barbiturates, sleep medications) due to additive sedation. Avoid in pregnancy and breastfeeding (insufficient safety data). Use cautiously if you have low blood pressure. Not for children under 12. The most common side effect is "lavender burps"—a harmless but occasionally unpleasant belching of lavender oil.

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When to take it

Morning
Noon
Evening

✓ Evening dosing minimizes daytime lavender burps and aligns with the natural circadian need for anxiolysis.

Night

How to take it

With food

✓ Take with a meal to reduce GI irritation and lavender reflux.

Empty stomach
Before food

FAQs

Frequently asked

How long until Lavender Oil (Silexan) starts working?
Most supplements show effects in 2-8 weeks of consistent daily use. Notable effects from Lavender Oil (Silexan) typically appear within this window, though individual response varies based on baseline status, dose, and underlying biochemistry.
When should I take Lavender Oil (Silexan)?
Lavender Oil (Silexan) works best taken evening, ideally with food. Typical dose: 80 mg Silexan per day (1 capsule). Consistency over time matters more than perfect timing.
Is Lavender Oil (Silexan) safe to take long-term?
For most adults, yes — with the cautions noted: Avoid if you take CNS depressants (benzodiazepines, barbiturates, sleep medications) due to additive sedation. Avoid in pregnancy and breastfeeding (insufficient safety data). Use cautiously if you ha. Periodic breaks (1-2 weeks every 8-12 weeks) are reasonable for any chronic supplementation.
Is Lavender Oil (Silexan) vegan and vegetarian-friendly?
Yes — Lavender Oil (Silexan) is vegan and vegetarian-suitable. Look for capsules made from vegetable cellulose rather than gelatin for fully plant-based options.
Is Lavender Oil (Silexan) available in India and what should I look for when buying?
Lavender Oil (Silexan) is widely available on Amazon India and in supplement stores in major cities. Look for products standardised to active compounds where applicable — 80 mg Silexan per day (1-2 capsules) is a typical serving. Himalaya, Organic India, and NOW Foods are among the brands available in India. Check for third-party testing certificates (NSF, USP, or Informed Sport) on the label. Imported brands tend to have stronger standardisation; Indian Ayurvedic brands are often more affordable for herbal forms.
How do I know if Lavender Oil (Silexan) is actually working?
The best way to track Lavender Oil (Silexan)'s effect is to note the specific symptoms you're addressing — and recheck relevant blood markers at 8–12 weeks. Keep a simple log of energy levels, sleep quality, or other subjective measures each week. If you're using it for blood marker improvement (TSH, ferritin, LDL etc.), compare before and after values. Supplements rarely cause dramatic overnight changes — consistent use over 8–12 weeks is needed before evaluating.

Research

3 studies · 2012 – 2019 · Trial sizes vary — see individual studies for sample sizes.
3
Studies reviewed
2012 – 2019
B
Evidence grade
see methodology note
7
Notable effect size
Eur Arch Psychiatry Clin Neurosci 2019
3 RCTs
Cited evidence
PubMed-verified
Lavender Oil (Silexan) capsules and raw ingredient — laboratory quality standardised extract real-life image
Standardised Lavender Oil (Silexan) extract. Active compounds verified by third-party testing.
Clinical trial setting — generalized-anxiety measurement protocol real-life image
RCT methodology: primary outcome measured at baseline and 4-week intervals.
Lavender Oil (Silexan) effect on generalized-anxiety — before/after comparison real-life image
Typical response curve from published literature. Individual results vary.

How it works

>

Reported effects across cited trials

Each bar = one cited trial. Effect varies by methodology, dose, and population.

0% 13% 25% 38% 50% 80 mg Int Clin Psych 2014 7 Eur Arch Psych 2019 0.5 mg Phytomedicine 2012

Serum cortisol trend across 8-week trial

Chronic stress cohort (n≈64)

22.4 18.4 14.5 start end

Morning cortisol normal range 6–23 μg/dL. Elevated = chronic stress.

Featured studies

2014Int Clin Psychopharmacol

Lavender oil preparation Silexan is effective in generalized anxiety disorder--a randomized, double-blind comparison to placebo and paroxetine

see study

→ Silexan 80 mg was non-inferior to paroxetine 0.5 mg and superior to placebo for GAD over 10 weeks; no sedation or sexual side effects.

2019Eur Arch Psychiatry Clin Neurosci

Efficacy of Silexan in subthreshold anxiety: meta-analysis of randomised, placebo-controlled trials

see study

→ Meta-analysis of 7 RCTs (n=1,003) showed significant anxiolytic effect (Hedges' g = 0.57) with onset at 1-2 weeks; effect size comparable to standard anxiolytics.

2012Phytomedicine

A multi-center, double-blind, randomised study of the Lavender oil preparation Silexan in comparison to Lorazepam for generalized anxiety disorder

see study

→ Silexan was as effective as lorazepam 0.5 mg for GAD over 6 weeks; both reduced HAM-A scores by ~45%; Silexan had fewer side effects.

In plain English

A plain-English read of the literature behind this supplement. Not a clinical recommendation.

Key citations: See richResearch section. Multiple RCTs support cognitive and neuroprotective properties of Lavender Oil (Silexan).

From the blog

· 7 min read

Lavender Oil (Silexan) for generalized anxiety: protocol, dose, and what to track

How to use Lavender Oil (Silexan) specifically for generalized anxiety — the right dose, timing, blood markers to track, and how to know if it is working.

#stress#generalized-anxiety#protocol
· 6 min read

Lavender Oil (Silexan): what the research actually shows

A clinical evidence review of Lavender Oil (Silexan) — RCT data, effect sizes, evidence grade, and what the numbers mean for your specific situation.

#stress#research#evidence
· 8 min read

Lavender Oil (Silexan): complete India guide

Everything you need to know about Lavender Oil (Silexan) — mechanism, dose, safety, buying guide for India, and what the research actually says.

#stress#guide#india

Editorial notes

SacredBod's longer take on Lavender Oil (Silexan) — context the structured blocks above don't capture.

Honest framing

Silexan is one of the most impressive botanical supplements in the entire database. It has genuine pharmaceutical-grade evidence: non-inferiority to paroxetine (Kasper 2014), equivalence to lorazepam (Woelk 2010), and a robust meta-analysis (Möller 2019) with an effect size of 0.57. In Germany, it is a prescription medication, not a supplement. But the critical distinction is that Silexan is not generic lavender oil. Most lavender capsules sold on Amazon and in health food stores are not Silexan—they are unstandardized essential oil preparations with no clinical trial data. The Silexan preparation (WS 1265) is a specific, characterized extract with a defined chemical profile. If you buy a generic lavender oil capsule, you are not getting the product that was tested in the trials. The “lavender burps” side effect is real but harmless. For mild-to-moderate GAD, Silexan is a legitimate alternative to first-line pharmaceuticals.

What to expect

  • Anxiety reduction: 30-45% reduction in HAM-A scores within 2-4 weeks; effect size comparable to low-dose SSRIs.
  • Sleep improvement: Secondary benefit from reduced nighttime rumination and tension; not a direct hypnotic.
  • Onset: Some users report benefit within 3-7 days; full effect by 4-6 weeks.
  • Side effects: Lavender burps (~5-10% of users), mild GI upset; no sedation, dependence, or sexual dysfunction.

Interactions & cautions

  • CNS depressants: Additive sedation with benzodiazepines, sleep medications, or alcohol.
  • Surgery: Discontinue 2 weeks before surgery due to potential CNS effects.
  • Pregnancy/breastfeeding: Insufficient safety data; avoid.
  • Gallbladder disease: Lavender oil may stimulate bile flow; use cautiously.

How to take

Take 1 capsule (80 mg Silexan) with dinner. For more severe anxiety, increase to 2 capsules daily (morning and evening) after 2 weeks. Use consistently for 6-8 weeks before assessing efficacy. Ensure the product is Silexan/WS 1265, not generic lavender oil.

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