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Active substance(s): ST JOHNS WORT DRY EXTRACT

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st john’s wort
1. What this product is and what it is used for
2. Before you take this product
3. How to take this product
4. Possible side effects
5. How to store this product
6. Further information

Patient Information Leaflet
St John’s
Extract 425mg
Please read this information
carefully before you start
taking these tablets. It
contains some important
information about this
product. Keep this leaflet
with the tablets. You may
want to read it again or show
it to your doctor, pharmacist
or refer to a qualified
healthcare practitioner.

1. What this product is and what it is used for
This is a traditional herbal medicinal product
containing St John’s Wort extract. It is used to
relieve the symptoms of slightly low mood and
mild anxiety. This is based on traditional use only.
Do not take this product if:

Taking this product with other medicines
St John’s Wort can affect the way some medicines
work and reduce their effectiveness. Medicines that
can be affected by St John’s Wort include prescription
medicines, and those that you may have bought without
a prescription. Therefore it is important that you do not
take St John’s Wort if you are using any of the medicines
listed in the table below.

• Your skin is exceptionally sensitive to sunlight

All hormonal contraceptives: The birth control ‘Pill’,
emergency contraception, hormonal implants, creams,
patches, intra-uterine devices with hormones.

• You are having light treatment (phototherapy) for any

All medicines for depression/anxiety: Amitriptyline,
clomipramine, moclobemide, citalopram, escitalopram,
fluoxetine, fluvoxamine, paroxetine, sertraline,
duloxetine, venlafaxine.

• You are suffering from depression (see below)
• You are pregnant or breast-feeding
• You are allergic to any of the ingredients (see section 6)

All hormonal replacement therapy (HRT) treatments:
HRT tablets, patches, gels, vaginal rings

• You are under the age of 18 years

All medicines for thinning the blood (anticoagulants):
Warfarin, acenocoumarol

Suffering from depression?

All medicines for epilepsy: Carbamazepine,
phenobarbitone, phenytoin, primidone, sodium valproate

Symptoms of depression include feelings of helplessness
and hopelessness, loss of interest in daily activities,
appetite or weight changes, changes in sleep pattern,
loss of energy and difficulty concentrating. If your doctor
has told you that you are suffering from depression
do not use this product. If you think that you may be
suffering from depression you should tell your doctor
before taking this product.

All immunosuppressant medicines: Ciclosporin, tacrolimus

While you are taking this product:
• avoid excessive sunbathing or the use of sunbeds/
• stop using it at least 10 days prior to undergoing
any surgery
Driving or operating machines:

All medicines for HIV infections: Amprenavir, atazanavir,
darunavir, fosamprenavir, indinavir, lopinavir, nelfinavir, ritonavir,
saquinavir, tipranavir, efavirenz, nevirapine, delavirdine
Some medicines for cholesterol: Simvastatin, atorvastatin
Some medicines for cancer: Irinotecan, dasatinib, erlotinib,
imatinib, sorafenib, sunitinib, etoposide, mitotane
Some medicines for heart disease: Digoxin, ivabradine,
Some medicines for migraines: Almotriptan, eletriptan,
frovatriptan, naratriptan, rizatriptan, sumatriptan, zolmitriptan
Some medicines for high blood pressure: Amlodipine,
nifedipine, felodipine, verapamil
A medicine for regulating mood: Lithium
A thyroid hormone: Thyroxine


In rare cases St John’s Wort may make you feel dizzy or
sleepy. If affected do not drive or use machinery.

Taking this product with other medicines (continued)
St John’s Wort may also affect the following medicines.
Therefore do not take this product with these medicines
unless a doctor has said it is safe to do so:
• fentanyl, propofol, sevoflurane and midazolam
(anaesthetics/pre-operative medicines)
• tramadol (an analgesic)
• erythromycin, clarithromycin and telithromycin
• itraconazole and voriconazole (antifungals)
• artemether and lumefantrine (antimalarials)
• rasagiline (an anti-Parkinson’s medicine)
• aripiprazole (an antipsychotic medicine)

You must speak to a doctor or qualfied healthcare
practitioner if your symptoms worsen, if they do not
improve after six weeks, or if any of the side effects
become serious or if you notice any side effects not
mentioned in the leaflet.
Do not use your tablets after the expiry date. The expiry
date is printed on the box and the blister pack. The expiry
date refers to the last day of that month.
Do not store above 25°C. Store in the original packaging.
Keep the tablets out of sight and reach of children.
Keep your tablets in the packaging until it is time
to take them.

• butobarbital and phenobarbital (barbiturates)

Medicines should not be disposed of via waste water or
household waste. Ask your pharmacist how to dispose
of medicines no longer required. These measures will
help protect the environment.

• methyl phenidate (a central nervous system or CNS


• buspirone (an anxiolytic)
• aprepitant (used to treat post-operative vomiting)

• exemestane (a hormone antagonist)

• theophylline (a bronchodilator)

Each film coated tablet contains 425mg of extract
(as dry extract) from St John’s Wort aerial parts
(Hypericum perforatum L.) (5-7:1) (equivalent to
2125mg – 2975mg of St John’s Wort).
Extraction Solvent: Ethanol 60% V/V.

• gliclazide (an antidiabetic medicine)

This product also contains the following ingredients:

• eplerenone (a diuretic)
• lansoprazole and omeprazole (proton pump inhibitors)

Adults and the elderly
Take 1 tablet daily. Swallow the tablets whole
with some water or other liquid. Do not chew.
Do not exceed the stated dose.
If you take too much of this product (overdose)
If you take more than the recommended dose, speak to
a doctor, pharmacist or qualified healthcare practitioner
and take this leaflet with you.
If you forget to take this product

Excipients in the extract
Maltodextrin, Silica Colloidal Anhydrous
Tablet Core
Maltodextrin, Microcrystalline cellulose,
Croscarmellose Sodium, Stearic Acid,
Magnesium Stearate, Silica Colloidal Anhydrous
Tablet Coating
Hypromellose, Red Iron Oxide (E172),
Titanium Dioxide (E171), Glycerol
The tablets are red coated and oval shaped.

Continue to take your usual dose at the usual time,
it does not matter if you have missed a dose.

This product is available in 30, 60 and 90 tablets.
Not all pack sizes are marketed.

If you have any questions, or are unsure about
anything, please ask your doctor, pharmacist or
qualified healthcare practitioner.

If you would like further information about this product
or for large print, Braille or audio version please contact:

Like all medicines, this product can have side effects.
The following side effects have been reported:
• gastrointestinal disorders such as indigestion, loss of
appetite, nausea, diarrhoea and constipation.
• fatigue and restlessness.
• allergic skin reactions such as rash, hives or itching of
the skin. If you experience allergic skin reactions, stop
taking the product and consult your doctor.
Also sunburn-like reactions on skin exposed to
strong sunlight or strong ultra-violet (UV) irradiation
e.g. solarium have been reported, particularly in fair
skinned individuals. Other side effects that have been
reported include headaches, nerve pain or tingling,
anxiety, dizziness and mania.

Traditional Herbal Registration Holder:
Vitabiotics Ltd, 1 Apsley Way, London NW2 7HF
Telephone: 020 8955 2662
Thompson & Capper Ltd, Hardwick Road,
Astmoor, Runcorn, Cheshire WA7 1PH.
Traditional Herbal Registration Number: THR 00387/0055
You can help make medicines safer by reporting
any side effects to the Yellow Card Scheme at Alternatively, you can
get a paper Yellow Card form from your GP’s surgery or
pharmacy, or call free phone 0800 100 3352
(available 10am - 2pm Monday - Friday).
This leaflet
was revised in
August 2011.



Certification Mark

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Source: Medicines and Healthcare Products Regulatory Agency

Disclaimer: Every effort has been made to ensure that the information provided here is accurate, up-to-date and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. This information has been compiled for use by healthcare practitioners and consumers in the United States. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate that the drug or combination is safe, effective or appropriate for any given patient. If you have questions about the substances you are taking, check with your doctor, nurse or pharmacist.