Independent UK Comparison Platform

The UK's Standard for Weight Loss MedicationComparison

Compare effectiveness, safety, and verified pricing from GPhC-registered UK pharmacies. Independent. Updated daily.

Verified Pharmacies
Updated Daily
100% Independent
20% to Charity
NEJMPublished
Clinical Trials

Effectiveness Comparison

Clinical Data

Mounjaro

Tirzepatide · Weekly

22.5%

avg. weight loss*

Wegovy

Semaglutide · Weekly

15%

avg. weight loss*

Saxenda

Liraglutide · Daily

8%

avg. weight loss*

*Average body weight loss in clinical trials. Individual results may vary.

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GPhC-Registered Providers

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GPhC Registered

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Price Updates

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Profits to Charity

Side-by-Side Comparison

Compare Mounjaro, Wegovy & Saxenda

Real-time pricing from verified UK pharmacies. All providers are GPhC-registered and regularly monitored.

Feature
Mounjaro
Wegovy
Saxenda
Active IngredientTirzepatideSemaglutideLiraglutide
Avg Weight Loss*
Up to 22.5%SURMOUNT-1 ↗
Up to 15%STEP 1 ↗
Up to 8%SCALE ↗
Injection FrequencyOnce weeklyOnce weeklyDaily
Typical Price Range£149-£210/mo£169-£240/mo£145-£200/mo
Starting From£149/month£169/month£145/month
View Providers

*Average body weight loss in clinical trials. Individual results may vary. Sources: Mounjaro (SURMOUNT-1), Wegovy (STEP 1), Saxenda (SCALE) (N Engl J Med).

Verified UK Providers

Weight Loss Providers

All providers are GPhC-registered and regularly monitored for safety, pricing accuracy, and service quality.

Prices last updated: 6 February 2026

BEST VALUE

LloydsPharmacy Online Doctor

£149/month

Mounjaro starting price

mounjarowegovysaxenda
Online consultation with UK doctor
Collection or home delivery
Ongoing support & follow-ups
Part of Lloyds Pharmacy network
GPhC: 9011437·Next-day delivery
In Stock
Verify GPhC Registration →
MOST POPULAR

Asda Online Doctor

£155/month

Mounjaro starting price

mounjarowegovy
Online consultation with UK doctor
Collect at Asda or home delivery
Nutritional guidance included
Discreet packaging
Verify GPhC Registration →
FAST DISPATCH

Simple Online Pharmacy

£159/month

Mounjaro starting price

mounjarowegovysaxenda
Online consultation with UK doctor
Same-day dispatch available
NHS prescriptions also dispensed
No subscription lock-in
GPhC: 9011287·Same-day dispatch
In Stock
Verify GPhC Registration →
HIGH STREET

Boots Online Doctor

£179/month

Mounjaro starting price

mounjarowegovy
UK's largest health & beauty retailer
Collect in-store or home delivery
Ongoing clinical support
Advantage Card points
GPhC: 1096181·Next-day delivery
In Stock
Verify GPhC Registration →
HIGH STREET

Superdrug Online Doctor

£169/month

Mounjaro starting price

mounjarowegovy
GMC-registered doctors
Collection or home delivery
Health & Beautycard rewards
Ongoing weight management support
GPhC: 9010736·Next-day delivery
In Stock
Verify GPhC Registration →
UK'S LARGEST

Pharmacy2U

£165/month

Mounjaro starting price

mounjarowegovy
UK's largest online pharmacy
CQC-registered Online Doctor
Free standard delivery
Expert clinical advice
GPhC: 9010146·Free standard delivery
In Stock
Verify GPhC Registration →
Our Methodology

Why Prices Vary

We evaluate providers across multiple factors to help you make an informed decision.

Verified Pricing

Real-time monitoring of consultation and prescription costs across all providers.

Service Quality

Trustpilot ratings, consultation experience, and customer support responsiveness.

Availability & Speed

Stock levels, prescription approval times, and delivery speed.

Safety & Compliance

GPhC registration verification, prescriber qualifications, and regulatory compliance.

Simple Process

How It Works

Compare providers, check eligibility, and start your treatment in three simple steps.

1

Compare Providers

Review pricing, service quality, and availability from verified UK pharmacies.

2

Check Eligibility

Click through to your chosen provider to complete a quick online eligibility assessment.

3

Start Treatment

If approved, your medication is delivered discreetly to your door with ongoing support.

You'll always deal directly with the pharmacy for assessment and prescribing. We don't sell medications or provide medical advice.

Medication Guides

Advice & Information

Everything you need to know about weight loss medications.

Mounjaro (Tirzepatide)

  • How it works & mechanism
  • Clinical trial results
  • Side effects & safety
  • Who it's suitable for
  • NHS vs private access

Wegovy (Semaglutide)

  • How it works & mechanism
  • Clinical trial results
  • Side effects & safety
  • Who it's suitable for
  • NHS vs private access

Saxenda (Liraglutide)

  • How it works & mechanism
  • Clinical trial results
  • Side effects & safety
  • Who it's suitable for
  • NHS vs private access

Why Choose WhichWeightMeds.org?

Verified Providers Only

Every pharmacy is GPhC-registered and regularly monitored. We verify registration numbers weekly and remove non-compliant providers.

Real-Time Price Tracking

We monitor prices daily across leading providers to ensure you always see accurate, up-to-date costs.

Independent & Transparent

We earn a small commission when you use our links, but this doesn't affect the prices you pay or influence our comparisons.

What We Don't Do

  • • We don't sell medications
  • • We don't endorse providers
  • • We don't provide medical advice
Supporting UK Health Charities

20% of our profits go to UK health charities supporting obesity research and patient care, including Obesity UK, British Heart Foundation, and Diabetes UK.

Obesity UKBritish Heart FoundationDiabetes UK

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Find the best provider for your needs. Compare pricing, availability, and service quality from verified UK pharmacies.

All providers GPhC-registered
20% to charity