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 our 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 9 independent customer reviews taken by Feefo (see all Feefo Reviews), Google and Trustpilot (see all Trustpilot Reviews).


(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"


(read on Feefo)
"Goog website which can be trusted"

Product Review:

"It was fast delivery. When other websites are much slower"

Service Review:

"Very efficient and quick"


(read on Feefo)
"Quick and easy to use service"

Product Review:

"All good. Slightly pricey."

Service Review:

"Excellent t service"


(read on Feefo)

Product Review:

"Excellent product, helps me sleep deeper and feel refreshed in the morning."

Service Review:

"The eshop is very intuitive and always well stocked. Ordering is a breeze and delivery always on time."


(read on Feefo)
"Great service "

Product Review:

"Just what I needed and helped me sleep like a baby"

Service Review:

"Great service and delivery... Got exactly what I asked for"


(read on Feefo)
"Customer satifacion"

Product Review:

"It did exactly what it was meant to do."

Service Review:

"From start untill finish fast and very efficent service will be deff be useing Phamica again and will recomend to all."

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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

Signed For 1st Class

£2.90 - Friday 27 November

Collect from your Post Office

£3.95 - Friday 27 November

Special Delivery 1pm Guaranteed

£5.95 - Friday 27 November by 1pm

Special Delivery 9am Guaranteed

£13.95 - Friday 27 November by 9am

Same Day Delivery

from £4.95 - Thursday 26 November

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