What is Lavender (Silexan)?

Silexan is a patented, pharmaceutical-grade oral lavender oil developed in Germany and standardized to contain precise amounts of its key calming compounds — mainly linalool and linalyl acetate. Unlike aromatherapy, Silexan is taken by mouth as an 80 mg softgel and has been through multiple rigorous clinical trials.

How does Lavender (Silexan) work?

Silexan's active compounds appear to calm the nervous system by gently influencing certain brain receptors involved in anxiety — particularly the VDCC (voltage-dependent calcium channels) — without causing sedation or the dependency risks tied to common anti-anxiety medications.

How much Lavender (Silexan) should you take?

80 mg oral Silexan capsule once daily (the dose used in all major clinical trials). Some practitioners use 160 mg daily for more significant anxiety.

How long does Lavender (Silexan) take to work?

Most people notice meaningful improvement in anxiety and sleep within 2–4 weeks. Full benefit is typically established by week 6.

What are the side effects of Lavender (Silexan)?

Reported side effects of Lavender (Silexan) include lavender-scented burping or mild digestive discomfort (most common, usually mild and temporary), nausea in sensitive individuals, especially if taken on an empty stomach, headache (uncommon, reported in a small number of trial participants) and skin sensitization…

Does Lavender (Silexan) interact with any medicines?

Lavender (Silexan) may interact with cns depressant and herbs and supplements with sedative properties.

What forms does Lavender (Silexan) come in?

For clinical anxiety and sleep benefits, the oral softgel capsule (Silexan 80 mg) is the only form with substantial clinical trial support.

Which foods are rich in Lavender (Silexan)?

Foods rich in Lavender (Silexan) include culinary lavender (Lavandula angustifolia flowers) and lavender tea.

Lavender (Silexan)

Lavender Oil is an essential oil derived from the lavender plant. It has a sweet, floral scent and is used in aromatherapy to promote relaxation and calm

Home

What is it? Lavender oil, specifically Silexan, is a standardized essential oil extract obtained from Lavandula angustifolia flowers. It's used for medicinal purposes primarily due to its anxiolytic (anxiety-reducing) and calming effects. How does it work for medicinal purposes? Lavender oil (Silexan) modulates the activity of the neurotransmitter gamma-aminobutyric acid (GABA) in the brain, exerting an anxiolytic effect similar to benzodiazepines but without the associated sedation or dependency. It also interacts with serotonin receptors, further contributing to its anxiolytic and mood-stabilizing effects. What are the active ingredients? Linalool and linalyl acetate are the key active ingredients in lavender oil responsible for its medicinal properties. What forms does it come in? Lavender oil (Silexan) is available in various forms including capsules, tablets, liquid extracts, and essential oils for aromatherapy. What if I have an imbalance or deficiency? A deficiency of lavender oil isn't a recognized medical condition. However, if experiencing symptoms of anxiety or stress, supplementing with lavender oil may help restore balance. When was it first used for medicinal purposes? The medicinal use of lavender dates back centuries, with historical records indicating its use in ancient Egypt, Greece, and Rome for various ailments including anxiety and insomnia.

Helps

What does Lavender (Silexan) help with? Lavender has been used around the Mediterranean for ages. Silexan is a lavender oil that comes in a capsule. It was made for calm and mood, not for scent or skin. Silexan has more human trial data for anxiety than most calming herbs. The notes in this file name trials, but do not record their size or dose. So each grade below rests on the trials as the file describes them. Anxiety that will not switch off, including diagnosed generalised anxiety Strong evidence — several randomised human trials in generalised anxiety. In more than one randomised trial, anxiety scores dropped in people taking Silexan. The drop was close to what low-dose anxiety drugs gave. Trials also reported no drowsiness and no sign of dependence. Evidence grade A · Traditional tier T0 Feeling jittery, on edge, or unable to wind down Good evidence — clinical trials that measured restlessness and tension. In clinical trials, people reported less restlessness and less nervous tension. The change built up over a few weeks. It did not act like a fast sedative. Evidence grade B · Traditional tier T0 Anxiety and low mood showing up together Good evidence — clinical trials in people with both sets of symptoms. In trials of people with both problems, mood scores and anxiety scores both improved. Lab work points to an effect on serotonin, a brain chemical tied to mood. That link is a proposed reason, not something shown in people. Evidence grade B · Traditional tier T0 Anxiety you feel in your body: tight chest, upset stomach, tense muscles Good evidence — trials that scored body symptoms as well as mental ones. In clinical trials, these body signs eased, not just the worry in the mind. The body scores moved along with the mental ones. Evidence grade B · Traditional tier T0 Trouble falling asleep when your mind will not stop Good evidence — sleep measures taken inside anxiety trials. In trials, people fell asleep more easily and rated their sleep as better. The gain was clearest when night-time worry was the cause. Sleep was tracked next to anxiety, not as the main target. Evidence grade B · Traditional tier T0 Feeling worn out by stress (neurasthenia) Early evidence — trial data in stress exhaustion, plus long use in European herbal practice. Trial data show less fatigue and less emotional burnout in people with this pattern. European herbal medicine lists it for this use. The human data here are thinner than for anxiety. Evidence grade C · Traditional tier T0 Mood swings and irritability around menopause Early evidence — early clinical studies only. Early clinical work points to less anxiety and less irritability in these years. Women also reported steadier mood. It is a non-hormone option, but the studies so far are few. Evidence grade C · Traditional tier T0 Support alongside care for post-traumatic stress Evidence doesn't support this — preliminary human data only. The evidence here is early and thin. Some reports point to a calmer feeling and less on-edge arousal. It has not been studied as care for PTSD on its own. Evidence grade D · Traditional tier T0 What Lavender (Silexan) has not been shown to do It has not been shown to calm you within minutes; in trials the change took a few weeks. It has not been shown to help insomnia that comes from a primary sleep disorder rather than worry. It has not been shown to stand alone as care for post-traumatic stress. Nothing on file tests it for hot flashes or other body signs of menopause. Nothing on file tests it for major depression on its own. How to read this: Grade A means steady results across randomised human trials. B means at least one good human trial. C means small or early human work. D means the human evidence is weak or mixed. Insufficient means no human study at all. This page reports what studies found. It is not medical advice, and it is not a claim that Silexan treats any illness. Talk with your own clinician before you change anything, above all if you already t

Lavender (Silexan)

Quick Facts

What it is: Silexan is a standardized oral lavender oil capsule clinically tested for anxiety and sleep — different from aromatherapy or topical lavender use.
Main uses: Primarily used to ease generalized anxiety, calm restlessness, and improve sleep quality without the sedation or dependency risk of prescription options.
Best for: Generalized anxiety, Sleep disturbances, Restlessness and nervous tension
Active ingredients: Linalool, Linalyl acetate, 1,8-cineole, Beta-ocimene, Terpinen-4-ol
Forms: Oral softgel capsule (80 mg standardized), Aromatherapy (inhalation), Topical essential oil, Tea (dried flower)
Time to effect: Anxiety and sleep benefits typically noticed within 2–4 weeks of daily use.
Side effects: Generally very well tolerated — the most common complaint is mild lavender-scented burping after taking the capsule.

Keep track of what you try

The app remembers what you have started, including Lavender (Silexan), reminds you when to take it, and records whether it helped — so the next decision is based on your own notes rather than memory.

What is it?

Lavender oil, specifically Silexan, is a standardized essential oil extract obtained from Lavandula angustifolia flowers. It's used for medicinal purposes primarily due to its anxiolytic (anxiety-reducing) and calming effects.

How does it work for medicinal purposes?

Lavender oil (Silexan) modulates the activity of the neurotransmitter gamma-aminobutyric acid (GABA) in the brain, exerting an anxiolytic effect similar to benzodiazepines but without the associated sedation or dependency. It also interacts with serotonin receptors, further contributing to its anxiolytic and mood-stabilizing effects.

What are the active ingredients?

Linalool and linalyl acetate are the key active ingredients in lavender oil responsible for its medicinal properties.

What forms does it come in?

Lavender oil (Silexan) is available in various forms including capsules, tablets, liquid extracts, and essential oils for aromatherapy.

What if I have an imbalance or deficiency?

A deficiency of lavender oil isn't a recognized medical condition. However, if experiencing symptoms of anxiety or stress, supplementing with lavender oil may help restore balance.

When was it first used for medicinal purposes?

The medicinal use of lavender dates back centuries, with historical records indicating its use in ancient Egypt, Greece, and Rome for various ailments including anxiety and insomnia.

If this is an emergency

Some reactions to Lavender (Silexan) need urgent care. Call your local emergency number or go to an emergency department straight away — do not wait to see whether it passes.

Who should avoid Lavender (Silexan)?

Do not take Silexan with sleeping pills, strong pain drugs or other CNS depressants (drugs that slow the brain) unless your doctor approves.
Do not mix Silexan with valerian, kava or other calming herbs, because the drowsy effects can add up.
Avoid alcohol while you take Silexan, since both slow the brain.
Do not drive or use machines until you know how Silexan affects you.
Stop Silexan at least two weeks before planned surgery, and tell your surgeon you take it.
Do not take Silexan if you are pregnant or nursing, since it has not been tested in these groups.
Do not give Silexan to a child unless a doctor guides you.
Do not take it on an empty stomach; take it with food or a snack to lower the chance of nausea.
Do not take more than 160 mg a day, the highest amount used in practice.
Do not put lavender oil on your skin if it has caused a rash before.
Stop Silexan and call your doctor if headaches start or get worse after you begin it.

When should you see a doctor?

Mild burping, a lavender taste or slight stomach upset is common. It is usually not a reason to stop. Take the capsule with food and see if it settles within a week or two.

What does Lavender (Silexan) help with?

Lavender has been used around the Mediterranean for ages. Silexan is a lavender oil that comes in a capsule. It was made for calm and mood, not for scent or skin.

Silexan has more human trial data for anxiety than most calming herbs. The notes in this file name trials, but do not record their size or dose. So each grade below rests on the trials as the file describes them.

Anxiety that will not switch off, including diagnosed generalised anxiety
Strong evidence — several randomised human trials in generalised anxiety. In more than one randomised trial, anxiety scores dropped in people taking Silexan. The drop was close to what low-dose anxiety drugs gave. Trials also reported no drowsiness and no sign of dependence.
Evidence grade A · Traditional tier T0
Feeling jittery, on edge, or unable to wind down
Good evidence — clinical trials that measured restlessness and tension. In clinical trials, people reported less restlessness and less nervous tension. The change built up over a few weeks. It did not act like a fast sedative.
Evidence grade B · Traditional tier T0
Anxiety and low mood showing up together
Good evidence — clinical trials in people with both sets of symptoms. In trials of people with both problems, mood scores and anxiety scores both improved. Lab work points to an effect on serotonin, a brain chemical tied to mood. That link is a proposed reason, not something shown in people.
Evidence grade B · Traditional tier T0
Anxiety you feel in your body: tight chest, upset stomach, tense muscles
Good evidence — trials that scored body symptoms as well as mental ones. In clinical trials, these body signs eased, not just the worry in the mind. The body scores moved along with the mental ones.
Evidence grade B · Traditional tier T0
Trouble falling asleep when your mind will not stop
Good evidence — sleep measures taken inside anxiety trials. In trials, people fell asleep more easily and rated their sleep as better. The gain was clearest when night-time worry was the cause. Sleep was tracked next to anxiety, not as the main target.
Evidence grade B · Traditional tier T0
Feeling worn out by stress (neurasthenia)
Early evidence — trial data in stress exhaustion, plus long use in European herbal practice. Trial data show less fatigue and less emotional burnout in people with this pattern. European herbal medicine lists it for this use. The human data here are thinner than for anxiety.
Evidence grade C · Traditional tier T0
Mood swings and irritability around menopause
Early evidence — early clinical studies only. Early clinical work points to less anxiety and less irritability in these years. Women also reported steadier mood. It is a non-hormone option, but the studies so far are few.
Evidence grade C · Traditional tier T0
Support alongside care for post-traumatic stress
Evidence doesn't support this — preliminary human data only. The evidence here is early and thin. Some reports point to a calmer feeling and less on-edge arousal. It has not been studied as care for PTSD on its own.
Evidence grade D · Traditional tier T0

What Lavender (Silexan) has not been shown to do

It has not been shown to calm you within minutes; in trials the change took a few weeks.
It has not been shown to help insomnia that comes from a primary sleep disorder rather than worry.
It has not been shown to stand alone as care for post-traumatic stress.
Nothing on file tests it for hot flashes or other body signs of menopause.
Nothing on file tests it for major depression on its own.

How to read this:

Grade A means steady results across randomised human trials. B means at least one good human trial. C means small or early human work. D means the human evidence is weak or mixed. Insufficient means no human study at all. This page reports what studies found. It is not medical advice, and it is not a claim that Silexan treats any illness. Talk with your own clinician before you change anything, above all if you already take a medicine for mood or sleep.

Conditions and Symptoms it Helps Prevent:

Generalized Anxiety Disorder (GAD)
Panic attacks
Sleep disturbances and insomnia
Stress-related symptoms
Premenstrual syndrome (PMS) symptoms
Depressive symptoms
Agitation and restlessness
Irritability
Headaches and migraines
Psychosomatic symptoms

Foods Rich in Lavender Oil (Silexan):

Lavender-infused dishes (e.g., lavender-infused desserts, teas)
Lavender honey
Lavender-infused oils for cooking

Interactions

These are some possible interactions. Please consult with your doctor.

cns depressant

Lavender might increase the effectiveness of CNS depressants and the risk of adverse effects.

Type: drug

Interaction level: moderate

herbs and supplements with sedative properties

When used together, lavender and other herbs with sedative properties can amplify both the positive and negative effects of each other.

Type: healistic

Interaction level: unknown

Lavender oil (Silexan) is generally well tolerated, but potential side effects may include:

Gastrointestinal discomfort (nausea, vomiting, diarrhea) - 1-2%
Allergic reactions (rash, itching, swelling) - <1%
Headache - <1%

Recommended Daily Dose:

The typical recommended dose for adults is 80 mg/day of lavender oil (Silexan), divided into two doses.

Time to Work:

Symptomatic relief from anxiety and stress-related symptoms may be noticed within 2-4 weeks of consistent use.
Insomnia Time it takes to work: Dosage for 13-17yrs old: 1 drop Dosage for 18yrs old and up: 1 to 2 drops Frequency: before bed

Best Time to Take:

Lavender oil (Silexan) is often taken in the morning and evening, but the timing can be adjusted based on individual preferences and when symptoms are most prominent.

With or Without Food:

It can be taken with or without food, depending on individual preference and tolerability.

Recommended Products

No products were found

Evidence grades and traditional-use labels are explained in our methodology. Nothing here is medical advice.

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Lavender (Silexan)

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Helps

Lavender (Silexan)