
St. John's Wort
A Strong clinical evidenceHypericum perforatum
St John's wort extract may help with mild to moderate depressive episodes, but it seriously interacts with many medicines, including the pill.
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Herbs used for falling asleep, tension and mood. Some interact with medicines, so always read the warnings.
15 herbs · 4 with clinical evidence (A/B) · 4 not marked avoid in pregnancy

Hypericum perforatum
St John's wort extract may help with mild to moderate depressive episodes, but it seriously interacts with many medicines, including the pill.

Valeriana officinalis
Dry extracts of valerian root may help with mild nervous tension and sleep problems; they work gradually, so use them for 2–4 weeks.

Rosa damascena
Distilled from Damask roses, one of the world's most precious essential oils. Small aromatherapy studies suggest it may help ease anxiety.

Crocus sativus
The world's most expensive spice. Meta-analyses found 30 mg of saffron extract daily helped mild-to-moderate depression symptoms.

Ocimum basilicum
An aromatic culinary herb. Traditionally used for indigestion and wind; calming effects have only been seen in animal studies.

Crataegus spp.
Hawthorn leaf and flower are traditionally used for palpitations linked to mild anxiety, after a doctor has ruled out serious heart disease.

Humulus lupulus
Hop strobiles are traditionally used as a tea to relieve mild symptoms of stress and to aid sleep, taken 30–60 minutes before bed.

Rosa damascena
The fragrant water left from distilling Isparta roses. Traditionally used as a skin cleanser and toner; food-grade rose water also flavours desserts.

Lavandula angustifolia
Lavender flower tea is traditionally used to relieve mild symptoms of stress and exhaustion and to aid sleep in adults and teenagers.

Lavandula angustifolia
Lavender oil is traditionally used as a bath additive to relieve mild symptoms of stress and exhaustion and to aid sleep.

Melissa officinalis
Lemon balm leaf tea is traditionally used to relieve mild symptoms of stress, to aid sleep and for mild bloating and wind in adults.

Tilia cordata, Tilia platyphyllos
Linden (lime) flower tea is traditionally used to relieve symptoms of the common cold and mild symptoms of stress in adults and older children.

Passiflora incarnata
Passion flower (Passiflora incarnata) herb tea is traditionally used to relieve mild symptoms of stress and to aid sleep.

Lavandula stoechas
Spanish lavender, growing around the Mediterranean. Traditionally used for nervous tension and cough; it contains camphor and fenchone, unlike true lavender.

Vanilla planifolia
The fermented fruit of an orchid. It flavours desserts; the calming effect of its scent has only been studied in small early trials.