St John's Wort Herb (Hypericum perforatum)

By Napiers


A herbal food supplement


Hypericum perforatum 


St John's Wort, Hypericum




Favoured for its pain-relieving sedative inducing properties, this herb treats a wide range of conditions. 


The loose chopped dried herb.


100g / 500g Pouch. Not currently available to customers in the EU.


Vegetarians and vegans.


Infusion: 1 to 2 teaspoons of herb (2 to 4 g) to a cup of cold water. Pour boiling water over the herb and leave to infuse for 5 to 10 minutes. Flavour with lemon, ginger or honey if desired. Drink 3 times a day unless otherwise told by a medical herbalist.

The herb can be added as a flavouring to gin, vodka and other infusions.


Do not use during laser or ultraviolet phototherapy.

This herb is considered safe in food amounts. Do not take if you are allergic to this plant or other members of this plant's family (Hypericaceae).

St John's Wort should not be taken to treat serious forms of depression that demonstrate suicidal risk or psychotic symptoms. Although, it may be an effective supplement to take in conjunction with psychotherapy or drug therapy.

Avoid if breastfeeding before seeking professional advice. 

St John's wort may cause a variety of adverse reactions. Gastrointestinal complaints occur quite frequently, whereas photosensitivity, erythoderma (dermatitis) are less frequent. Plant extracts cause few side effects when taken correctly but if a side effect is experienced please contact us.

Check with your herbalist, pharmacist or doctor before taking st john's wort if you are taking any medicines from your doctor.

Maximum of 12g per day may be taken as a powder or capsules. Not all herbs are suitable in pregnancy, breastfeeding or for young children, or if you are unwell, have health concerns or an ongoing illness. If in doubt, please ask us, your medical herbalist or healthcare practitioner. This herb is not suitable during pregnancy. If you are taking any medication, please speak to your healthcare practitioner before using this product. Discontinue use and consult a doctor if adverse reactions occur. This product should not be used as a substitute for a varied and balanced diet or lifestyle. This product is not intended to diagnose, treat, cure or prevent any disease.


Traditionally used as a tonic for the whole nervous system, also useful in all conditions involving nerve pain, for low mood and mild to moderate depression.

Key actions: Nervine tonic, antiviral, antidepressant, vulnerary (aids wound healing), microbial (when applied topically).

In clinic: Herbalists use this herb for the treatment of depression, menopausal neurosis, hysteria and neuralgia.

If you are interested in the medicinal use of this herb please consult a herbalist. Herbs are generally used at medicinal strength, in blends, prescribed for each unique patient's condition.


Keep in a cool, dry place away from direct sunlight. Keep out of reach of children.

Pouches: Packaged in a biodegradable stand-up resealable pouch. Made with 45% - 60% renewable wood pulp starch. When placed into a composting environment the pouches will biodegrade to compost within 3 months.

A trust kept since 1860

Napiers the Herbalists was founded by Duncan Napier, a Victorian botanist and the most famous herbalist in Scotland.