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Pricing Disclaimer: Prices on some pages may not be up to date — the live pricing table below and pricing shown during consultation are official current prices and take precedence over any other figures on the site.

Mounjaro Weight Loss Injections (Tirzepatide) KwikPen - UK-licensed prescription Treatment
Treatment

Mounjaro Weight Loss Injections (Tirzepatide) KwikPen

From £145.00

Future orders save 5%
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Wegovy (Semaglutide) Weight Loss Injection - UK-licensed prescription Treatment
Treatment

Wegovy (Semaglutide) Weight Loss Injection

From £89.00

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Saxenda - UK-licensed prescription Treatment
Treatment

Saxenda

From £68.00

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Orlistat - UK-licensed prescription Treatment
Treatment

Orlistat

From £32.00

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Xenical Orlistat 120mg Capsules - UK-licensed prescription Treatment
Treatment

Xenical Orlistat 120mg Capsules

From £49.99

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Wegovy® Oral Tablets (Semaglutide Pill): PRE-ORDER - UK-licensed prescription Treatment
Treatment

Wegovy® Oral Tablets (Semaglutide Pill): PRE-ORDER

From £83.00

Future orders save 5%
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Prescription Weight Loss Treatment Online UK

Finding effective prescription weight loss treatment online UK services has never been more accessible. At Cured Pharmacy, our UK-registered clinical team offers evidence-based weight loss medications including Mounjaro, Wegovy, Saxenda, and Orlistat, all available through a free online consultation with transparent upfront pricing from £135.00. Every treatment is dispensed by our GPhC-registered pharmacy following clinical assessment by a UK prescriber.

How Prescription Weight Loss Medications Work

Prescription weight loss treatments in the UK fall into two main categories: GLP-1 receptor agonists (including dual GIP/GLP-1 agonists) and lipase inhibitors. GLP-1 medications like Mounjaro, Wegovy, and Saxenda work by mimicking natural hormones that regulate appetite and blood sugar, helping you feel fuller for longer and reducing food cravings [1]. Mounjaro contains tirzepatide, the first dual GIP/GLP-1 receptor agonist licensed by the MHRA, which activates two complementary pathways for enhanced metabolic effects.

Lipase inhibitors such as Orlistat and Xenical work through a different mechanism entirely. They block approximately 30% of dietary fat absorption in your digestive system, reducing overall calorie intake [2]. This class of medication requires commitment to a reduced-fat diet to minimise gastrointestinal side effects, but offers an effective non-injectable option for patients who prefer oral tablets.

Clinical trials demonstrate significant results across both categories. In the SURMOUNT-1 trial, patients taking the highest dose of tirzepatide achieved an average 22.5% body weight reduction over 72 weeks [1]. The STEP trials showed semaglutide (Wegovy) produced average weight loss of 14.9% over 68 weeks [3]. Orlistat studies consistently show 5-10% weight reduction when combined with dietary modification [2].

GLP-1 Weight Loss Injections: Mounjaro, Wegovy & Saxenda

Injectable GLP-1 treatments represent the most effective prescription weight loss medications currently licensed in the UK. Mounjaro (tirzepatide) leads in clinical efficacy due to its dual-receptor mechanism, activating both GIP and GLP-1 pathways simultaneously. This produces superior weight loss outcomes compared to single-pathway GLP-1 agonists, with trial participants losing up to 22.5% of their starting body weight [1].

Wegovy (semaglutide) and Saxenda (liraglutide) are established GLP-1 receptor agonists with extensive real-world evidence. Wegovy is administered once weekly, whilst Saxenda requires daily injection. Both medications slow gastric emptying, reduce appetite, and improve glycaemic control in patients with type 2 diabetes [3][4]. The choice between these treatments depends on your individual medical history, tolerance, and prescriber recommendation.

All three injectable treatments require gradual dose escalation over several weeks to minimise gastrointestinal side effects such as nausea and vomiting. Your UK prescriber will create a personalised titration schedule, typically starting at the lowest dose and increasing every four weeks based on your tolerance and response. Most patients find side effects diminish significantly after the initial adjustment period.

Injection Technique and Storage

GLP-1 injections are administered subcutaneously (under the skin) in the abdomen, thigh, or upper arm using pre-filled pens. The needles are extremely fine, and most patients report minimal discomfort. Each pen comes with detailed instructions, and our pharmacy team provides comprehensive guidance on proper injection technique, site rotation, and safe disposal of used needles. Pens must be stored in the refrigerator between 2-8°C and protected from light.

Orlistat Tablets: Prescription and Over-the-Counter Options

Orlistat is available in two strengths in the UK: 120mg (prescription-only, branded as Xenical or generic Orlistat) and 60mg (available over-the-counter as Alli or Orlos). The prescription-strength 120mg formulation blocks approximately 30% of dietary fat absorption, whilst the 60mg version blocks around 25% [2]. Both work by inhibiting pancreatic and gastric lipases, enzymes responsible for breaking down triglycerides in your intestine.

Orlistat is most effective when combined with a reduced-calorie, lower-fat diet (typically less than 30% of calories from fat). Taking Orlistat with high-fat meals significantly increases the risk of gastrointestinal side effects including oily spotting, flatulence with discharge, and urgent bowel movements [2]. These effects are not dangerous but can be socially inconvenient, making dietary adherence crucial for tolerability.

Clinical studies show that Orlistat produces modest but consistent weight loss. In a meta-analysis of long-term trials, patients taking 120mg Orlistat three times daily lost an average of 2.9 kg more than placebo groups over one year [2]. The medication also demonstrates cardiovascular benefits, with improvements in blood pressure, cholesterol levels, and glycaemic control in patients with type 2 diabetes.

Choosing Between Prescription and OTC Orlistat

The 120mg prescription strength offers greater fat-blocking efficacy and is typically recommended for patients with a BMI of 30 or above, or 28 and above with weight-related health conditions. The 60mg over-the-counter options (Alli, Orlos) suit patients who prefer a lower dose with potentially fewer gastrointestinal effects, though weight loss outcomes are proportionally reduced. Your UK prescriber will assess which strength aligns with your weight loss goals and medical profile.

Treatment Active Ingredient Type Frequency Starting Price
Mounjaro Tirzepatide Injectable (GIP/GLP-1) Once weekly From £124.99
Wegovy Semaglutide Injectable (GLP-1) Once weekly From £69.00
Saxenda Liraglutide Injectable (GLP-1) Once daily From £68.00
Orlistat 120mg Orlistat Oral capsule Three times daily From £32.00
Xenical Orlistat Oral capsule Three times daily From £32.00
Alli 60mg Orlistat Oral capsule (OTC) Three times daily From £32.00
Orlos 60mg Orlistat Oral capsule (OTC) Three times daily From £32.00

Who Can Access Prescription Weight Loss Treatment Online UK

Prescription weight loss medications in the UK are licensed for adults with a body mass index (BMI) of 30 kg/m² or higher, or 27 kg/m² and above if you have weight-related health conditions such as type 2 diabetes, hypertension, or dyslipidaemia [5]. NICE guidelines emphasise that pharmacological intervention should complement—not replace—lifestyle modifications including dietary changes and increased physical activity.

During your online consultation at Cured Pharmacy, our UK prescribers assess your medical history, current medications, weight loss goals, and any contraindications. Certain conditions preclude the use of specific weight loss treatments: GLP-1 agonists are contraindicated in patients with personal or family history of medullary thyroid carcinoma or multiple endocrine neoplasia syndrome type 2 [1][3]. Orlistat should be avoided in patients with chronic malabsorption syndrome or cholestasis [2].

Your prescriber will also evaluate previous weight loss attempts, psychological readiness for treatment, and realistic goal-setting. Successful outcomes require commitment to behavioural change alongside medication. Our clinical team provides ongoing support throughout your treatment journey, with regular reviews to monitor progress, adjust dosing, and address any concerns or side effects that emerge.

Expected Results and Timeline for Weight Loss Medications

Weight loss timelines vary significantly depending on the medication prescribed and individual metabolic factors. With GLP-1 treatments, most patients begin noticing appetite suppression within the first week, though measurable weight loss typically becomes apparent after 4-8 weeks once therapeutic doses are reached [1][3]. Peak weight loss generally occurs between 60-72 weeks of continuous treatment, with Mounjaro users experiencing the most substantial reductions.

Orlistat produces more gradual results, with average weight loss of 5-10% of starting body weight over 6-12 months when combined with a reduced-calorie diet [2]. The medication works only when dietary fat is present, so consistency with meal planning directly impacts outcomes. Patients who adhere to both medication and lifestyle modifications achieve significantly better results than those relying on medication alone.

It's essential to maintain realistic expectations. Clinical trials report average outcomes, but individual responses vary based on genetics, hormonal factors, adherence, activity levels, and concurrent health conditions. Your UK prescriber will establish personalised milestones during your consultation, typically targeting 5% weight loss in the first 12 weeks as an indicator of treatment response [5]. If adequate progress isn't achieved, your prescriber may adjust dosing or recommend an alternative medication.

Maintaining Weight Loss Long-Term

Long-term weight maintenance requires ongoing medication use in most cases, as discontinuation typically results in weight regain. The STEP-4 trial demonstrated that patients who stopped semaglutide regained approximately two-thirds of their lost weight within one year [3]. Successful maintenance combines continued pharmacological support with sustained lifestyle changes including regular physical activity, portion control, and behavioural strategies to manage emotional eating triggers.

How to Order Prescription Weight Loss Treatment from Cured Pharmacy

Ordering prescription weight loss treatment online UK through Cured Pharmacy is straightforward and clinically safe. Begin by completing our free online medical questionnaire, which takes under three minutes and covers your medical history, current medications, weight loss goals, and any relevant health conditions. This information is reviewed by a UK-registered prescriber who determines the most appropriate treatment based on clinical guidelines and your individual profile.

If approved, your prescription is sent electronically to our GPhC-registered pharmacy (registration number 9012511), where our team dispenses genuine UK-licensed medications. We offer discreet packaging and reliable delivery options, with most orders arriving within 2-3 working days. All pricing is transparent and displayed upfront before you begin your consultation—no hidden fees or surprise charges.

Our superintendent pharmacist, Tarun Kumar (GPhC 2233073), oversees all clinical services to ensure the highest standards of patient care and medication safety. If you have questions about your treatment, side effects, or dosing, our pharmacy team is available by phone at (+44) 116 4646009. We also provide ongoing prescription management, making it simple to reorder your medication when needed without repeating the full consultation process, subject to periodic clinical reviews.

Transparent Pricing and Lowest Price Guarantee

At Cured Pharmacy, we guarantee the lowest prices for prescription weight loss treatments in the UK. Our pricing is fully transparent, with costs clearly displayed before you start your consultation. We never charge hidden consultation fees or markup medications beyond our stated prices. If you find a lower price at another UK-registered pharmacy for the same medication and dose, we'll match it—that's our commitment to accessible, affordable healthcare for every patient.

Scientific References

  1. Jastreboff, A. M., Aronne, L. J., Ahmad, N. N., et al. (2022). Tirzepatide Once Weekly for the Treatment of Obesity. New England Journal of Medicine, 387(3), 205–216. https://doi.org/10.1056/NEJMoa2206038
  2. Torgerson, J. S., Hauptman, J., Boldrin, M. N., & Sjöström, L. (2004). XENical in the prevention of diabetes in obese subjects (XENDOS) study: a randomized study of orlistat as an adjunct to lifestyle changes for the prevention of type 2 diabetes in obese patients. Diabetes Care, 27(1), 155–161. https://doi.org/10.2337/diacare.27.1.155
  3. Wilding, J. P. H., Batterham, R. L., Calanna, S., et al. (2021). Once-Weekly Semaglutide in Adults with Overweight or Obesity. New England Journal of Medicine, 384(11), 989–1002. https://doi.org/10.1056/NEJMoa2032183
  4. Pi-Sunyer, X., Astrup, A., Fujioka, K., et al. (2015). A Randomized, Controlled Trial of 3.0 mg of Liraglutide in Weight Management. New England Journal of Medicine, 373(1), 11–22. https://doi.org/10.1056/NEJMoa1411892
  5. National Institute for Health and Care Excellence. (2023). Obesity: identification, assessment and management (Clinical guideline CG189). NICE. https://www.nice.org.uk/guidance/cg189

Information on this page is for educational purposes only and is not medical advice. All prescription treatments require clinical assessment by a UK-registered prescriber. Always consult a qualified healthcare professional before starting any new medication. Individual results may vary, and weight loss outcomes depend on multiple factors including adherence to treatment and lifestyle modifications.

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Faq

Can I buy prescription weight loss treatment online UK without seeing a GP?
Yes, you can access prescription weight loss treatment online UK through Cured Pharmacy's free clinical consultation with a UK-registered prescriber. This replaces the need for a GP appointment, though the same clinical standards apply and not all patients will be suitable for treatment.
How much does prescription weight loss medication cost in the UK?
Prescription weight loss treatment at Cured Pharmacy starts from £135.00 for Orlistat tablets, £135.00 for Saxenda, £135.00 for Wegovy, and £135.00 for Mounjaro. All prices are transparent and displayed before your consultation, with no hidden fees.
What is the most effective prescription weight loss medication?
Mounjaro (tirzepatide) demonstrates the highest average weight loss in clinical trials, with patients losing up to 22.5% of body weight over 72 weeks. However, the most effective medication for you depends on your individual medical profile, tolerance, and prescriber assessment.
Do I need a prescription for weight loss injections in the UK?
Yes, all GLP-1 weight loss injections (Mounjaro, Wegovy, Saxenda) are prescription-only medications in the UK and require clinical assessment by a registered prescriber. They cannot legally be purchased without a valid prescription.
Are there any side effects from prescription weight loss treatment?
Common side effects include nausea, vomiting, diarrhoea, and constipation with GLP-1 injections, typically diminishing after initial dose escalation. Orlistat may cause oily stools, flatulence, and urgent bowel movements, especially with high-fat meals. Your prescriber will discuss all potential side effects during consultation.
How long does it take for prescription weight loss medication to work?
GLP-1 treatments typically produce noticeable appetite suppression within one week, with measurable weight loss appearing after 4-8 weeks. Orlistat shows gradual results over 6-12 months when combined with dietary changes. Peak weight loss occurs around 60-72 weeks of continuous treatment.
Can I get prescription weight loss treatment on the NHS?
NHS availability of prescription weight loss medications varies by region and is subject to strict eligibility criteria. Many patients access treatment privately through online pharmacies like Cured Pharmacy for faster access and greater treatment choice, particularly for newer medications like Mounjaro.
What happens if I stop taking prescription weight loss medication?
Most patients experience weight regain after discontinuing treatment, with studies showing approximately two-thirds of lost weight returning within one year of stopping GLP-1 medications. Long-term weight maintenance typically requires continued medication alongside sustained lifestyle modifications.
How much does prescription weight loss treatment cost at Cured Pharmacy?
The cost of prescription weight loss treatment varies depending on the specific medication and dosage prescribed following your consultation. Cured Pharmacy offers competitive pricing with transparent costs shown before you complete your order, with no hidden fees for our online consultation or clinical review.
Do I need a prescription for weight loss treatment in the UK?
Yes, effective weight loss medications require a valid prescription in the UK as they are prescription-only medicines (POMs). Cured Pharmacy provides a free online consultation service where our UK-registered clinicians review your medical history and can issue a prescription if the treatment is suitable and safe for you.
How quickly can I get prescription weight loss treatment delivered in the UK?
Once your online consultation is approved by our clinicians, Cured Pharmacy typically dispatches prescription weight loss treatment within 24 hours on working days. Most UK deliveries arrive within 1-3 working days via discreet, tracked postal services directly to your chosen address.
What prescription weight loss treatments are available online at Cured Pharmacy?
Cured Pharmacy offers clinically proven prescription weight loss treatments including medications like Orlistat, Saxenda, and Wegovy, subject to clinical suitability. Our UK-registered clinicians assess your individual circumstances during the online consultation to recommend the most appropriate treatment option for your weight loss goals and medical history.
Is prescription weight loss treatment safe for long-term use?
Prescription weight loss treatments are generally safe for long-term use when prescribed and monitored appropriately by healthcare professionals. Cured Pharmacy's clinicians assess your suitability before prescribing and provide guidance on safe usage duration, with ongoing support and the option for follow-up consultations to monitor your progress and any side effects.
Tarun Kumar, Prescribing Pharmacist

Medically reviewed by

Tarun Kumar, Prescribing Pharmacist (GPhC 2233073)

Last reviewed: 17 July 2026