Melatonin 2mg (Circadin)

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Effective treatment for the effects of jet lag.

What is Circadin and what is it used for?

Circadin contains the hormone melatonin and is used to treat jet lag in travellers crossing several time zones. Melatonin occurs naturally in the human body and is involved in regulating our sleep-wake cycle.

How does it work?

Normally, levels of melatonin increase when it gets dark outside, making you feel sleepy and tired to prepare your body for rest. When you travel to a place with a different time zone, you body clock takes some time to adjust to the change in time. Circadin can help you to sleep when it is nighttime at your destination and overcome the time zone gap.

How do I use it?

Circadin should be swallowed whole after eating about 1-2 hours before bed, without crushing or chewing the tablets. The medication can be continued for up to 13 weeks.

Does Circadin have any side effects?

Like all medication, Circadin can have some side effects, but they are uncommon. These include back pain, feeling weak, headaches, dizziness, and mouth ulcers. Jet lag can interfere with your plans when abroad. Circadin can help you to stay in control and make the best of your time in a new time zone.

Side Effects

By its nature, Circadin can cause drowsiness and so when using this medication no activities should be performed which would be dangerous to undertake when drowsy.

Some uncommon side effects include migraine, headache, dizziness, high blood pressure, abdominal pain, dry mouth, irritated skin, abnormal liver function tests, increased weight, nightmares, and anxiety.

 Information Leaflet

Always read the patient information leaflet before commencing treatment.

Circadin Reviews

9.4/ 10
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Based on 15 independent customer reviews taken by Feefo (see all Feefo Reviews), Google and Trustpilot (see all Trustpilot Reviews).

"Superfast delivery and exactly what I…"

Product Review:

"It is pricey, but it helps with sleep"

Service Review:

"Superfast delivery and exactly what I ordered. Wouldn't hesitate to use again - in fact, I am just about to!"


(read on Feefo)
"Fantastic"

Product Review:

"Helps tremendously with insommia"

Service Review:

"Efficient & fast service, order always on time"


(read on Feefo)
"Brilliant efficient service"

Product Review:

"Helps with sleep pattern when working shifts"

Service Review:

"Highly recommended for efficiency"

"Very good experience with this company"

Product Review:

"Although primarily for use for people experiencing jet lag, this medication definitely works as a sleep aid for those who are low in melatonin for whatever reason (i.e. those taking beta blockers, which can deplete melatonin) but is only meant for short term use. The main downside is it is rather expensive."

Service Review:

"Ordered sleep medication on the website and was guided through a diagnostic process which was relatively straightforward but thorough. Upon approval, which came through in less than a minute, the order was placed. The package arrived very promptly and in perfect condition. Would highly recommend this company."


(read on Feefo)

Product Review:

"Helping my insomnia and my lockdown jet lag."

Service Review:

"Fast service, I always get my medication on time. I recommend."


(read on Feefo)

Product Review:

"Arrived quickly and solved the jet lag problem."

Service Review:

"The medicine arrived quickly. Easy to order."


(read on Feefo)
"Excellent Service"

Product Review:

"Brilliant, Worked a treat."

Service Review:

"Quick and discreet"


(read on Feefo)

Product Review:

"Worked great and I would definitely order again"

Service Review:

"Professional and timely . Product was excellent"


(read on Feefo)
"All fairly straightforward"

Product Review:

"Good value for money on this product"

Service Review:

"Quite a good service"


(read on Feefo)
"Professional and timely service"

Product Review:

"Did what they said they would"

Service Review:

"Products werenof excellent quality and delivered on time"

Discreet service

With our discreet packaging you can order in confidence.

We never use our brand name on bills, delivery papers or your bank statement.

All our packages are completely plain, without any details of what’s inside or who has sent it.

Estimated delivery

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£2.90 - Saturday 23 October

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£3.95 - Saturday 23 October

Special Delivery 1pm Guaranteed

£5.95 - Saturday 23 October by 1pm

Special Delivery 9am Guaranteed

£13.95 - Saturday 23 October by 9am

Same Day Delivery

from £4.95 - Friday 22 October

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