← See the science · Lavender oil (Silexan)

Buy Lavender oil (Silexan)

Products that match the form and dose used in the studies. Umbral earns a commission on some purchases; the order never changes because of it.

Strong

80 mg/day for subthreshold anxiety and restlessness; 160 mg/day for generalised anxiety disorder

Ratings, prices and photos were read from Amazon on Sep 18, 2026. Amazon prices change; the current one is on the product page.

As an Amazon Associate, Umbral earns from qualifying purchases. Product data is provided by Amazon and may change; ratings and prices shown are Amazon’s, not Umbral’s. Recommendations are based on the evidence grade and the form used in trials, never on commission.

Nature's Way CalmAid Lavender Oil Softgels, 30 ct

4.3(7,089)

$15.17

CalmAid is Silexan® sold under a US brand — the same 80 mg standardised oil as the European trials, and by far the most-bought version of it.

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Amazon price on Sep 18, 2026.

Nature's Way CalmAid Lavender Oil Softgels, larger count

4.3(7,089)

$39.99

Same product, bigger bottle. Silexan needs about two weeks before the effect shows, so a short bottle runs out before the test finishes.

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Amazon price on Sep 18, 2026.

Integrative Therapeutics Lavela WS 1265 with Lavender Oil, 60 softgels

4.4(2,165)

$37.50

WS® 1265 is the other name for the same standardised oil, in a practitioner-channel brand. Pick it if you want the extract identifier printed on the label.

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Amazon price on Sep 18, 2026.

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What to look for

✓Silexan® standardised Lavandula angustifolia oil softgel, 80 mg/day (160 mg/day for generalised anxiety); sold as Lasea/CalmAid
✓80 mg/day for subthreshold anxiety and restlessness; 160 mg/day for generalised anxiety disorder
✓Third-party tested (USP, NSF, Informed Sport)

What to avoid

✕Proprietary blends that hide the dose per ingredient
✕Unstandardised extracts with no active-compound percentage

Safety notes

· Eructation with a lavender aftertaste is the dominant side effect; mild and transient GI complaints follow.
· No sedation, no dependence, no withdrawal and no sexual dysfunction across the trial programme.
· Not studied in pregnancy or lactation; avoid.

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As an Amazon Associate, Umbral earns from qualifying purchases. Product data comes from Amazon and may change; ratings and prices are Amazon's, not Umbral's. Suggestions are based on the science and the form used in studies, never on commission.

Umbral is a wellness product, not a medical device. It does not diagnose, treat, cure or prevent any disease. Supplement information is educational; talk to a clinician before starting anything, especially if you are pregnant, under 18, managing a condition or taking medication.

These statements have not been evaluated by the Food and Drug Administration.