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Saxenda is an injectable treatment for weight loss, marketed by Novo Nordisk. It contains a medicine called liraglutide, and is administered daily.

You can buy Saxenda online through our secure consultation facility. All orders are checked by registered clinicians before being dispensed at our UK pharmacy. Needles and a sharps bin are also provided with each order.

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Saxenda6mg/ml Injection + Needles + Sharps bin

Saxenda contains 6mg per ml of liraglutide. The dose issued by a pen can be adjusted using the dial. Each pen contains 18mg of liraglutide. Needles and a sharps disposal bin are provided with your order.

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Saxenda is an injectable treatment for weight loss, marketed by Novo Nordisk. It contains a medicine called liraglutide, and is administered daily.

You can buy Saxenda online through our secure consultation facility. All orders are checked by registered clinicians before being dispensed at our UK pharmacy. Needles and a sharps bin are also provided with each order.

This content was reviewed by a clinician on

01 July 2021
dr daniel

Dr Daniel Atkinson

(GP Clinical Lead - GMC No. 4624794) 01 July 2021
Product information

Saxenda is an injection treatment for weight loss marketed in the UK by Novo Nordisk. It contains an ingredient called liraglutide, which is a synthetic derivative of GLP-1. GLP-1 is a hormone released from the gut following the consumption of a meal. It functions as an agonist on receptors in the brain which regulate appetite.  Liraglutide is also the active constituent of the diabetes medication Victoza. However, whereas Victoza is licensed for the treatment of diabetes, Saxenda is specifically licensed for weight loss.

You can order Saxenda pens individually or in quantities of up to five at a time.

Obesity: Key stats

Obesity is a significant health issue in the UK. Around two thirds of UK adults are either overweight or obese. Being overweight increases the risk of several conditions, including diabetes, high blood pressure, high cholesterol, stroke, sleep apnoea and joint and muscle pain. Sometimes, being overweight can have a negative impact on self-esteem too.

How can I work out if I’m overweight?

The BMI (body mass index) formula is typically used to determine whether someone is a healthy weight or overweight. It can be calculated in two ways:

  • Using metric measurements; taking a person’s weight in kilograms, then dividing this by their height in metres squared; or:
  • Using imperial measurements; taking a person’s weight in pounds, then dividing this by their height in inches squared; then multiplying the result by 703.

Categorisation in different countries can vary. In the UK, a BMI of:

  • 18.5 or less is classed as underweight
  • between 18.5 and 25 indicates a healthy weight
  • over 25 is classed as overweight
  • over 30 is considered as obese

There are some drawbacks to the BMI model (for instance, it cannot make a distinction between fat and muscle, and therefore cannot determine a person’s body fat percentage). However, it is widely used as a clinical tool to help UK prescribers ascertain whether or not someone is a healthy weight.

How can I lose weight safely?

To help lower the risk of developing weight-related illness, persons who are obese or significantly overweight will typically be advised to try and lose weight through a combination of diet and exercise. When losing weight, it is important to do so in a steady, controlled manner. Losing too much weight too quickly can lead to ‘yo-yoing’, where drastic weight loss is quickly followed by weight gain. 

When is weight loss treatment recommended?

In cases where a person has tried to lose weight but not been able to do so through diet and exercise alone, they may be prescribed medication to help them reach their target weight. However, medication is only effective if the person taking it also practices regular exercise and maintains a healthy, balanced, reduced-calorie diet.

How can Saxenda help someone lose weight?

Saxenda is an injection which is taken every day. The acting constituent, liraglutide, works by simulating the function of glucagon-like peptide 1, or GLP-1. A hormone, GLP-1 is released by the gut after the consumption of a meal. It works as an agonist on receptors in the brain which manage appetite. By mimicking the function of GLP-1, Saxenda thereby helps the person taking it to feel less hungry.

Saxenda is licensed for use in those with a BMI of: 

  • 30 or over; 
  • or 27 or over where weight-related health issues are also present, such as diabetes or high blood pressure.

If you are trying to lose weight and considering whether medication might be able to help you, speak to your doctor. They will be able to assist in putting together a diet and exercise plan, and discuss whether weight loss treatment is right for you.

How do you take Saxenda?

When you take Saxenda, you will start on a low dose and slowly increase this over the first five weeks. So for those starting Saxenda, a pack of five pens should last 44 days. For those already on the full treatment dose, a pack of five pens should last 30 days.

Does Saxenda need to go in the fridge?

Yes, Saxenda is a fridge item. You should put it straight into the fridge when you receive it. 

Because this medicine is a fridge item, if your order is approved after 4pm on a Thursday or on a Friday, you'll receive your delivery the following Tuesday.

How can I buy Saxenda online?

Those looking to renew their prescription and get Saxenda online can do so using our secure consultation process. Every order made through our site is checked by registered prescribers. Approved orders are dispensed at our UK-based pharmacy before being shipped by special delivery.

With each order, we supply a sharps bin and a sufficient number of needles. The cost of these is included in the price.

Select dose
Page last reviewed:  01/07/2021 | Next review due:  09/12/2019

Read the patient information leaflet fully before use, and follow the instructions issued by your prescriber when taking this medicine. This will help you to limit the likelihood of side effects and ensure the medication works at its optimum.

  • Saxenda needs to be used in conjunction with a healthy diet and exercise plan in order to be effective.
  • Treatment is commenced on a low dose. This is increased in steps over the following 5 weeks.
  • During week 1, inject 0.6mg once a day.
  • During week 2, inject 1.2mg once a day.
  • During week 3, inject 1.8mg once a day.
  • During week 4, inject 2.4mg once a day.
  • From week 5 onwards, inject 3mg once a day. This dose is then maintained for the rest of the course.
  • Your treatment will be reviewed by your clinician regularly.
  • A doctor or nurse will need to demonstrate to you how to use the pen before you inject it for the first time.
  • More detailed instructions with diagrams can be found in the leaflet.
  • It does not need to be taken at any particular time, but it does need to be taken at the same time each day. Choose a time which suits you best.
  • It should be injected subcutaneously. The ideal areas to do this are on the front of your thighs, or the front of your abdomen.
  • Each pen comes with several attachable needles. The needles are quite thin and fragile, and can occasionally bend. If this happens, discard the needle and attach a new one.
  • A bent needle does not mean the product is faulty; it may simply be that the site of injection is slightly tough. You may want to pinch the skin where you intend to inject; this might make it easier for the needle to break through the surface.
  • It is also recommended that you alternate the site at which the injection is made. You can use the Saxenda pen on the front of your waist (abdomen), the front of your thighs and the upper arm.
  • You can watch a useful video of how to use the Saxenda pen correctly here
  • The medicine should not be injected into a vein or a muscle.
  • If you forget to take Saxenda, you can do so when you remember provided it is within 12 hours of when you were supposed to take it. If more than 12 hours have passed since your missed dose, you should skip it and wait until you are due to take your next one.
  • Never double up on doses to make up for a missed one.

If you have been shown how to use Saxenda before but need a reminder, you can find a helpful video here.

The above is only a summary of the instructions you will need to follow. Refer to your clinician or pharmacist if you are unsure about how to take this treatment.

Page last reviewed:  01/07/2021 | Next review due:  09/12/2019
Please read the patient information leaflet for this medicine fully before use:

Saxenda 6mg/ml Injection + Needles + Sharps bin

Side effects

It is important to be aware of the side effects this medication may cause prior to use. Make sure you read the patient information leaflet, and follow the instructions issued by your prescriber during use. If you notice any signs of an allergic reaction, such as hives, swelling of the face and lips, or breathing problems, seek medical help immediately.

You should also tell your doctor right away if you: have any side effects which become serious; develop any symptoms which may indicate pancreatitis (these may include: abdominal pain which reaches through to your back; or nausea and vomiting); or if you develop any signs of gallstones, such as pain in the upper abdomen, or under the ribs.

Saxenda is a 'black triangle drug'. This means that, while it has been approved for release, its capacity to cause side effects is still being closely monitored by the MHRA. 

If you notice any side effects, including any not listed below, you can report these to the MHRA using the Yellow Card Scheme.

Very common (more than 1 in 10 people):

Feeling or being sick, diarrhoea, or constipation (these typically go away after a few days or weeks).

Common (less than 1 in 10 people):

Stomach or intestinal issues (such as indigestion, inflammation in the stomach lining discomfort or upper stomach pain), heartburn, bloated feeling, flatulence, dry mouth, weakness or tiredness, altered sense of taste, dizziness, insomnia, gallstones, skin reactions at the injection site (such as bruising, pain, irritation, itching and rash), hypoglycaemia, and increase of pancreatic enzymes.

Uncommon (less than 1 in 100 people):

Dehydration, gall bladder inflammation, allergic reactions, general feeling of being unwell, increased pulse rate.

Rare (less than 1 in 1,000 people):

Reduced kidney function, acute kidney failure.

The information here is not comprehensive. Please refer to the leaflet provided for further information on side effects.


Taking it with other medicines

Inform your doctor about any other medicines you are using when undergoing consultation. It is particularly important for your prescriber to know if you are taking: sulfonylurea for diabetes; or warfarin or other anticoagulants.

Conditions to look out for

Use of this medication is not recommended if you have severe heart failure, an illness which causes problems with emptying the stomach, or inflammatory bowel disease.

Inform your doctor of any medical conditions you have or have had in the past during consultation. This is particularly important if you have, or have ever had: liver or kidney problems; diabetes; pancreatitis; or thyroid disease.

Gallstones have been reported in up to 1 in 10 people taking Saxenda. Gallstones are very common in those who are overweight, so it is not known whether the gallstones found in those taking Saxenda are due to the treatment or not. If you notice recurring attacks of sharp abdominal pain, it is important to consult a clinician.

It is crucial to drink plenty of fluids when taking this treatment to avoid dehydration.

If you are over 75

This treatment is not recommended for use in patients who are aged 75 or over.

Pregnancy and breastfeeding

Saxenda is not suitable if you are pregnant, breastfeeding or trying to get pregnant.

Driving and using machinery

Your capacity to drive or operate machines is not likely to be affected by Saxenda. However, if you experience any side effects that may affect your ability to concentrate, do not drive or use machines and speak to your UK prescriber.

Alcohol use

The patient information leaflet for Saxenda makes no specific reference to alcohol use. However, you should always keep alcohol consumption within sensible limits.

Page last reviewed:  01/07/2021 | Next review due:  09/12/2019
Please read the patient information leaflet for this medicine fully before use:

Saxenda 6mg/ml Injection + Needles + Sharps bin


Is Saxenda an alternative to SkinnyJab? 

Saxenda and the injection used in the SkinnyJab weight loss programme contain the same active ingredient, known as liraglutide. Saxenda or SkinnyJab can be used by those with a BMI greater than 30, or 27 if they have other weight-related health conditions such as diabetes. Both Saxenda and SkinnyJab reduce the feeling of hunger so that you eat less and thereby lose weight.

Can I still drink alcohol?

No reference to interactions with alcohol is made in the leaflet for Saxenda.

Will I still be able to drive?

It is not thought that this medication will interfere with your capacity to drive. However, if your judgment or coordination is inhibited when using this treatment, do not drive and let your doctor know.

Can I use this medication while pregnant?

No. It should not be used during pregnancy or breastfeeding.

How do I store it?

Prior to first use, keep Saxenda refrigerated between 2°C and 8°C. Do not freeze and keep a safe distance from the freezer compartment.

After you have used the pen for the first time, you can keep it for a month at a temperature below 30°C or in a refrigerator.

When not using the pen, keep the cap on to protect it from light.

If the solution in the pen is not clear and colourless, do not use it.

Am I allergic to anything in the medicine?

This medication contains: liraglutide, disodium phosphate dihydrate, propylene glycol, phenol, hydrochloric acid and sodium hydroxide (for pH adjustment) and water for injections.

Do not use it if you are allergic to any of the above.

Is it available over the counter?

No. Saxenda is only available on prescription.

How can I buy Saxenda online?

If you are looking to renew your prescription for Saxenda, you can do so through our secure online service. All orders are reviewed by our doctor before being dispensed at our UK pharmacy. We work with reputable courier partners to help us ensure your medication arrives quickly and safely.

If you are looking to lose weight but haven’t spoken to a doctor already, you should always talk to your GP in the first instance before trying weight loss treatment. They will be able to help you establish a programme of diet and exercise, and issue a prescription medication where required.

What should I do if the needle bends? 

If the disposable needle found at the tip of one of your Saxenda pens bends out of shape whilst you are trying to use the pen, you should discard the needle. The needles themselves are fragile and you should take care when using them. 

A bent needle does not necessarily mean that the product is faulty, but that the skin is slightly too tough or you’re not injecting it properly. 

You can watch a useful video of how to use the Saxenda pen correctly here

Insert the needle so it’s facing the skin at approximately 90 degrees. You may want to pinch the skin so it breaks through the surface more easily . Try not to be hesitant when you are about to inject. Gently insert the pen into the skin.

If you are still unsure, make an appointment with a healthcare professional or your doctor and they will show you how to use the Saxenda pen correctly. 

Page last reviewed:  01/07/2021 | Next review due:  09/12/2019 is rated 4.9 out of 5 by 3256 customers on TrustPilot!
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