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As part of the Frosts Pharmacy Group, a family run business established in 1925 by John Frost and now run by his grandson Stuart Gale, we are a fully registered UK pharmacy and adhere to the standards set by the General Pharmaceutical Council. We run successful high street pharmacies in Banbury and Oxford, in the UK, as well as our online chemist services.

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Weight Loss

Start your online consultation for
Weight Loss

To help us supply you with the right medication,
please answer a few short questions.

  1. Quick online questionnaire
    Quick online questionnaire
  2. Select treatment
    Select treatment
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Start my online consultation
  • Takes less than 2 minutesTakes less than 2 minutes
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90 years of pharmacy history

Weight loss treatments designed to work

Transform your weight loss journey

Our range of clinically approved weight loss treatments could help you lose up to 22.5% of your body weight. Each treatment type has been specifically developed to work in sync with your body and help you lose weight.

We’re trusted by 24,000 patients who’ve rated us 5 stars on Trustpilot.

Mounjaro Injections (tirzepatide)

Mounjaro (Tirzepatide) 2.5mg Injection Starter Dose for weight loss
Prices From £119.99
Trustpilot
 
 

Wegovy Weight Loss Injections

Wegovy (semaglutide) injection 0.25mg Starter Dose 1 Pen
Prices From £118.97
Trustpilot
 
 

Orlistat 120mg Weight Loss Capsules

Orlistat 120mg 84 Capsules
Prices From £34.98
Trustpilot
 
 

Mysimba 112 Tablets

Mysimba 112 Tablets
£109.98
Trustpilot
 
 

Xenical Capsules 120mg

Xenical (Orlistat) 120mg 84 Capsules
Prices From £44.19
Trustpilot
 
 

Orlos 60mg Weight Loss Capsules

Orlos 60mg 84 Capsules
Prices From £18.98
Trustpilot
 
 
Select

Alli 60mg Weight Loss Capsules

Alli 60mg 84 Capsules
Prices From £39.98
Trustpilot
 
 
Select

Orlistat 120mg 84 capsules plus Centrum Advance multivitamins 60 tab

Orlistat 120mg 84 capsules plus Centrum Advance multivitamins 60 tab
£42.99
Trustpilot
 
 

Yellow Sharps Box Nominal Capacity 1 Litre

Yellow Sharps Box Nominal Capacity 1 Litre
£1.99
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Select

Pen Needles for Weight Loss Injections 4mm 32G 100 pack

Pen Needles for Weight Loss Injections 4mm 32G 100 pack
£7.00
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Select

Lose weight for the long-term 

Weight loss treatments 

Starting a medical weight loss journey is a big step. We’re here to make sure your journey and selected treatments are right for you. Choose from a range of treatments and let’s work together throughout your journey.  

“The product Mounjaro is working well and I have lost three stone in weight so far. Oxford always deliver promptly and it is well packaged.” Michael 

“Really professional company, fast delivery and they are always available if you have any queries or need further assistance.” Claire 

“Efficient delivery of weight loss injections and further communication re my welfare. The cost is very reasonable also.” Jentag 

Explore our weight loss treatments 

Our range of weight loss treatments put you in control and can flexibly fit around your lifestyle. Choose from easy-to-administer weight loss injections or tablet and capsule options. 

Before you make any decisions, tap on a treatment option to read more about how it works and whether it might be right for you.   

Weight loss injections 

  • Mounjaro KwikPen available in 2.5mg, 5mg, 7.5mg, 10mg, 12.5mg, 15mg 
  • Wegovy FlexTouch Pen available in 0.25mg, 0.5mg, 17.mg, 2.4mg 

Weight loss tablets 

  • Mysimba available in 8mg/90mg 

Weight loss capsules 

  • Orlistat available in 120mg 
  • Xenical available in 120mg 
  • Orlos available in 60mg 
  • Alli available in 60mg 

Compare popular weight loss treatments 

Quickly understand the main differences between some of the most popular treatments licenced for weight loss in the UK. 

 

 

Mounjaro

Wegovy

Xenical

Mysimba

Active ingredient

Tirzepatide

Semaglutide

Orlistat

Naltrexone / Bupropion

How does it work?

Suppress appetite and makes you feel fuller for longer

Suppress appetite and makes you feel fuller for longer

Binds up to 30% of fat from the food you eat

Suppress appetite and makes you feel fuller for longer

How do I take it?

Weekly injection

Weekly injection

Oral capsule

Oral tablet

Do I stay on the same dose?

Mounjaro comes in 6 different strengths which can be gradually increased every 4 weeks

Wegovy comes in 5 different strengths which can be gradually increased every 4 weeks

Start and continue with 1 capsule 3 times a day after meals

One tablet in the morning increasing to 4 tablets daily by week 4

How much weight can I expect to lose?

Up to 20% of your starting body weight

Up to 15% of your starting body weight

More than 5% of your starting body weight

More than 5% of your starting body weight

Do I need a prescription?

Yes

Yes

Yes

Yes

How much is it?

Prices start from £129.99

Prices start from £129.99

Prices start from £34.98

Prices start from £109.98

Prices and clinical information correct as at April 2025. 

Make sure treatment is right for you 

Understand the initial eligibility criteria  

Most weight loss treatments are prescription medications. It’s important to understand that all online weight loss consultations are clinically reviewed by independent doctors and completing a consultation doesn’t guarantee treatment.  

Prescription weight loss treatments are typically designed for: 

  • Adults aged 18-75 
  • Those with a BMI above 30 (or a BMI above 27 and a weight-related condition such as high blood pressure or cholesterol, etc.) 
  • Individuals who don’t have diabetes or pre-diabetes requiring treatment 

This list is only intended as in indicator for who might be suitable for treatment. The doctors will complete a full medical review of your consultation to determine your individual suitability for treatment. 

Use this NHS tool to calculate your BMI.

Order weight loss treatments safely & securely 

Peace of mind with our straightforward ordering process 

Our 3-step process makes ordering your weight loss treatment hassle-free and secure. 

  1. Complete a confidential online consultation and choose a preferred treatment 
  2. A doctor will review your consultation to make sure it’s right for you 
  3. If approved, we’ll dispense your treatment and send it via our tracked delivery service

Sometimes we may need to contact you to confirm a few details before making a treatment decision.  

How do weight loss treatments work? 

Understanding the science  

Our range of weight loss treatments are scientifically proven to help you lose weight, but what does that really mean? Let’s look at the main ways weight loss medications work alongside your body and not against it. 

Appetite suppression 

The active ingredients in some medications can suppress your appetite and the result is that you’ll start to feel less hungry. Those annoying food cravings? Gone! 

Feeling fuller for longer 

By slowing down how long it can take food to pass through your system, the active ingredients in some medications can help you feel fuller for longer. You’ll feel more satisfied after eating. 

Reducing fat absorption 

When food passes through your digestive system, some medications act by reducing the amount of fat that is then absorbed into the body, by as much as 25-30%. 

It’s important to remember that adopting a healthier diet & lifestyle will also play a key role in the success of your weight loss journey. Our expert team are with you at each step.  

What can you expect? 

Lose up to 22.5% of your body weight  

Clinical studies focusing on the active ingredients used in the Mounjaro (Tirzepatide) and Wegovy (Semaglutide) weight loss injections have shown consistent weight loss results of up to 22.5% and 15% respectively. These results were achieved when the medications were combined with adjustments in diet & lifestyle. 

Reduce the typical weight loss frustrations  

Weight loss medications are designed for the long-term, but you should notice changes throughout your journey and in the early stages. 

0-3 months 

The medication will start working inside your body once you take it, even if you don’t notice a difference straight away. 

  • Feeling less hungry 
  • Increased energy levels 
  • Viewing food differently 

3-6 months 

Notice changes in your weight and lifestyle as your body works with the medication. 

  • Seeing a change in your body weight 
  • Feeling better in the clothes you love 
  • Being more energised and active 

6-12 months 

You should be experiencing controlled weight loss and leading a healthier lifestyle. 

  • Feeling good about your weight loss progress 
  • Seeing positive changes in your overall health and any related health conditions 
  • Planning for long-term weight loss maintenance  

Helpful links 

Explore a range of helpful links to aid your weight loss journey. 

  • Our supportive weight loss blogs & articles 
  • NHS BMI calculator 
  • NHS understanding calories and eating habits 
  • NHS exercise tips 
  • The Eatwell guide 
  • NICE body composition tips 

FAQs

Explore our most-asked weight loss questions. 

What are injectable weight loss treatments? 

They are breakthrough weight loss options that have been scientifically designed to support long-term weight loss. Depending on the treatment you choose, they use a range of active ingredients (sometimes referred to Tirzepatide and Semaglutide) that stimulate naturally occurring hormonal receptors. This can help you feel fuller for longer, slow gastric emptying (how fast food travels through your system) and reduce cravings. It’s these action that can help you lose weight.  

What are oral weight loss treatments? 

They are science-backed weight loss options that have been designed to support long-term weight loss. They’re an alternative option for people who don’t want to self-inject. Depending on the treatment you choose, they can work by inhibiting enzymes in your digestive tract. This reduces the amount of fat your body can absorb from your food. It’s this action that can help you lose weight. 

Can I use weight loss treatments at the same time as other medications? 

Our range of treatments are generally considered safe to take alongside other medications, however interactions can happen and there are specific conditions and medications where weight loss treatments aren’t suitable to take. That’s why it’s important to give a full and honest answers in your online consultation.  

Will I be suitable for treatment? 

We offer a range of weight loss treatments, some of which are prescription-only medications. Each treatment has its own eligibility options. As a guide, we’d ask you to check initial eligibility against the criteria below. Meeting this is not an indicator of treatment suitability and our doctors will fully review your completed online consultation.  

  • Adults aged 18-75 
  • Those with a BMI above 30 (or a BMI above 27 and a weight-related condition such as high blood pressure or cholesterol, etc.) 
  • Individuals who don’t have diabetes or pre-diabetes requiring treatment 

Who checks my online consultation? 

All online consultations are clinically reviewed by the doctor team. They review your answers to determine your suitability for your selected treatment. They are fully regulated in the UK and are approved to prescribe and dispense your treatment. Read more about our team. 

Will I experience any side effects from treatment? 

Each treatment comes with its own risk of side effects. Most of these are mild, and if you do experience any, most ease off in a short period of time. However, you should always explore the full list of potential side effects in the Patient Information Leaflet which comes with your selected treatment.  

How much weight could I lose? 

Weight loss varies with each person and contributing factors can include their lifestyle, their mobility and which treatment they’ve selected.  

Typical weight loss examples: 

  • Mounjaro – up to 22.5% of your starting body weight 
  • Wegovy – up to 15% of your starting body weight 
  • Orlistat (Xenical) – more than 5% of your starting body weight 
  • Mysimba – more than 5% of your starting body weight 

Should I take any supplements during treatment? 

The latest clinical guidance recommends taking a daily multivitamin to ensure you’re getting all that you need. There is a risk you might not be getting all the vitamins you need through food if you’re eating less or have changed your diet. 

Is there an ideal diet to follow during treatment? 

Whilst there isn’t a specific diet to follow, it’s recommended that you follow a healthy & balanced diet. Focus on creating balanced meals that contain adequate protein and fibre. Make sure to drink plenty of fluids too. 

Aim for 3 meals a day, with snacks in between if needed, to provide your body with steady energy throughout the day. A balanced meal should look like: 

  • Filling half your plate with non-starchy vegetables, salad or fruit.  
  • Filling the other half evenly between wholegrain carbohydrates and lean protein 
  • Include a small serving of healthy fats within your meal 

How do I reorder my next dose? 

When it’s time to reorder, simply log in to your secure online Oxford Online Pharmacy account and select the treatment you’d like to reorder. You might need to complete a new online consultation, so we can make sure your treatment is still right for you. 

References 

Wilding JPH, Batterham RL, Calanna S. Once-Weekly Semaglutide in Adults with Overweight or Obesity. The New England Journal of Medicine [Internet]. 2021 Feb 10;384(11).  

Mounjaro KwikPen 10mg solution for injection in pre-filled pen?- Summary of Product Characteristics (SmPC) - (emc) [Internet] 


Authored on 11 April 2025

Robert Bradshaw

Robert Bradshaw - MRPharms BSc(Hons) Pharmacy

Superintendent Pharmacist

GPhC Number: 2036118

Reviewed on 15 April 2025

Kiran Jones

Kiran Jones - MPharm, MRPharmS

Pharmacist / Medical Content Writer

GPhC Number: 2071585

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