Skip to Content


PDF options:  View Fullscreen   Download PDF

PDF Transcript


Holland & Barrett Energy Extra
Caffeine, Glucose

Read all of this leaflet carefully before you
take this medicine because it contains
important information you need to know.
This medicine is available without prescription,
however, you still need to use this product
carefully to get the best results from it. Keep this
leaflet as you may need to read it again. Ask your
pharmacist if you need more information or advice.

1. What is this medicine and what
is it used for?
This medicine contains:
• caffeine acts as a stimulant which makes
you more alert and makes you feel less tired
• glucose which can help maintain energy levels.
These tablets are used for the fast relief of
temporary tiredness and drowsiness.

2. Is this medicine suitable for you?
Do not take this medicine if you:
are allergic to caffeine, glucose or any of
the other ingredients
are taking medicines to treat high blood
pressure (e.g. atenolol, metoprolol,
oxprenolol and propranolol)
have a history of anxiety or if you have ever
had a heart rhythm disorder (e.g. raised or
irregular heart beat).
Please see your doctor or pharmacist
before taking this medicine if you:
are pregnant, breast feeding or planning
have an intolerance to some sugars.
Other important information:
Caffeine can interfere with how some other
medicines work. Therefore do not take this
medicine if you are taking any of the
following medicines:
decongestants containing ephedrine

antidepressants or mood stabilisers (e.g.
monoamine oxidase inhibitors or lithium
anxiolytics or sedatives (such as diazepam)
theophylline (used to treat asthma)
disulfiram (used to treat chronic alcoholism)
antipsychotic medicines (such as clozapine)
methoxsalen (a photosensitizer used in the
treatment of the skin condition psoriasis)
phenytoin (used in the treatment of epilepsy)
levothyroxine (used for treatment of thyroid
If you need to have any hospital tests for
heart conditions avoid taking caffeine for
24 hours before as caffeine can interfere
with the test results.
Some medicines (in particular cough and
cold remedies and pain killers) also contain
caffeine. This may require you to reduce the
number of tablets you take in a day.
Taking these tablets with food and drink
Each tablet contains 50 mg of caffeine and
up to 6 tablets (or 300 mg of caffeine) may
be taken per day. If you are also consuming
food that contains caffeine (coffee, tea, cola
drinks, chocolate) reduce the number of
tablets you take in a day.
The amount of caffeine in a drink of coffee
and tea depends on how they are made, but
you can use the table below as a guide:
Filter coffee
Instant coffee
Cola drink
Your tablets

100 ml
100 ml
100 ml
100 ml
100 g
1 tablet

Caffeine content
50 - 100 mg
20 - 73 mg
20 - 73 mg
Up to 20 mg
5 - 20 mg
50 mg

*100 ml is a small cup / glass.
Maximum recommended caffeine intake per
day: 400 mg.
Please turn over


Patient Information Leaflet

Information about some of the
ingredients in this medicine:
Contains glucose. If you have been
told by your doctor that you have an
intolerance to some sugars, contact your
doctor before taking this medicinal product.

3. How to take this medicine
Swallow the tablets whole with water,
before a meal. Do not chew.
Adults and children over 12 years:
1 or 2 tablets, 3 times a day, as required.
Do not give to children under 12 years
of age.
Do not exceed the stated dose.
If your symptoms worsen or do not
improve within 7 days, you must see a
doctor or pharmacist.
If you take too many tablets by mistake,
contact your doctor or pharmacist
straight away.

4. Possible side effects
Most people do not have any side effects
while taking this medicine. However,
if you experience any side effects, or
anything else unusual happens, stop
taking the medicine immediately and
see your doctor or pharmacist.
Side effects may include
tinnitus (ringing in the ears)
stomach complaints (e.g. nausea,
vomiting and diarrhoea)
changes in heart beat
increased need to pass water
rapid breathing.

If you stop taking caffeine after
regular use:
There are some people who may experience
unwanted side effects when they stop taking
these tablets and / or food and drinks
containing caffeine after regular use. The
most common effect is headache, but also
tiredness and decreased alertness can occur.
These effects are temporary and may last up
to a week, but to minimise these effects it is
best to gradually reduce caffeine intake.
Reporting of side effects:
If you get any side effects, talk to your doctor,
pharmacist or nurse. This includes any
possible side effects not listed in this leaflet.
You can also report side effects directly via
the Yellow Card Scheme at:
By reporting side effects you can help provide
more information on the safety of this medicine.

5. How to store your medicine
Keep all medicines out of the reach and
sight of children.
Do not use these tablets after the expiry date
on the pack.

6. What is in this medicine?
Each pale yellow tablet contains the active
ingredients: caffeine 50 mg, dextrose
monohydrate 130 mg.
The other ingredients are: microcrystalline
cellulose (E460), silicon dioxide, magnesium
stearate, yellow iron oxide (E172).
This product is available in a pack size of
30 tablets.

7. Who makes this medicine?
The Marketing Authorisation Holder and
Manufacturer is Brunel Healthcare
Manufacturing Limited, William Nadin Way,
Swadlincote, Derbyshire, U.K. DE11 0BB.
Text revised: June 2015.
PL 20894/0031

+ Expand Transcript

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.