Every source
we cite.
Start with official guidance and the new pharmacy’s own policy. A link to a source does not mean the source endorses Pharmacy Hopper.
Accessed 6 October 2026 · External source
Accessed 6 October 2026 · External source
Accessed 6 October 2026 · External source
Accessed 6 October 2026 · External source
Accessed 6 October 2026 · External source
Accessed 6 October 2026 · External source
Accessed 6 October 2026 · External source
Accessed 6 October 2026 · External source
Accessed 6 October 2026 · External source
Accessed 6 October 2026 · External source
Accessed 6 October 2026 · External source
Accessed 6 October 2026 · External source
Accessed 6 October 2026 · External source
Accessed 6 October 2026 · External source
Accessed 6 October 2026 · External source
Accessed 6 October 2026 · External source
Accessed 6 October 2026 · External source
Accessed 6 October 2026 · External source
Accessed 6 October 2026 · External source
Accessed 6 October 2026 · External source
Accessed 6 October 2026 · External source
Accessed 6 October 2026 · External source
How the price comparison sites check prices and providers
Each link is the site owner’s own account of how its checks work. None of these pages proves an independent audit (an outside check) of every listing.
- Monj: Mounjaro comparison tables
- Monj: pharmacy safety and verification
- Monj: how pricing works
- Medstack network: ownership, commissions and ranking rules
- iGovy: Wegovy injection comparison
- iGovy: how prices are checked
- Ogovy: Wegovy tablet comparison
- Ogovy: provider verification policy
- Ogovy: price tracking methodology
- Ogovy: commercial independence statement
- Dayo: Foundayo comparison
- Dayo: what its pharmacy checks cover
- MHRA: UK authorisation of orforglipron (Foundayo), 10 August 2026
Provider discount offers and subscription terms
Checked 6 October 2026. Your real price and how you cancel depend on the plan you signed up to and what your current provider confirms.
- Numan: weight-loss product-specific terms, sections 3.4 to 3.9
- Numan: programme costs and options for switching patients
- Numan: weight-loss programme and 90-day trial terms
- Juniper: Commit & Save terms
- Juniper: general terms, payments, cancellation and discounts
- Voy: weight-loss terms of sale, subscription and cancellation clauses
- Voy: longer-term plans help page
- Pharmacy2U: first-consultation offer and eligibility terms
- Pharmacy2U: promotion and referral terms
- Pharmacy2U: Online Doctor service terms
- MedExpress: subscription payment and dispatch timing
- MedExpress: managing and cancelling a subscription
- MedExpress: discount eligibility
Sources for the referral savings guides
Our worked examples use our own made-up sums to show the maths. The guides keep our advice apart from each provider’s published policy. These sources also back our guide on why you can switch pharmacy every month and pay the new-customer price.
Sources on dose changes and gaps in treatment
UK medicine information, NICE guidance and the named provider’s policy, checked 6 October 2026. The guides keep the maker’s instructions, medical guidance and each provider’s own process apart.
- Lilly: UK Mounjaro prescribing information, section 4.2
- Novo Nordisk: UK Wegovy FlexTouch prescribing information, section 4.2
- Lilly: Mounjaro KwikPen patient information leaflet, via emc
- Novo Nordisk: UK Wegovy FlexTouch patient leaflet
- Novo Nordisk: UK Wegovy tablets prescribing information
- NICE: prescribing, reviewing and stopping tirzepatide
- NICE: guide to prescribing medicines for overweight and obesity, including restarting tirzepatide
- Pharmacy2U: finding a maintenance dose with your clinician
- MedExpress: managing a gap in Mounjaro or Wegovy treatment
- MHRA: GLP-1 medicine risks and when to seek medical help
Sources for switching from MedExpress, Voy, Numan, Pharmacy2U and Juniper
Provider instructions checked 6 October 2026. Our written examples show how the process works. They are not live quotes.
- MedExpress: managing and cancelling a subscription
- MedExpress: information required for GLP-1 switching and step-up requests
- Voy: weight-loss terms of sale, sections 4.10 to 4.14
- Voy: patient safety and prescribing assessment
- Numan: weight-loss product-specific terms, sections 3.4 to 3.9
- Numan: programme costs and options for switching patients
- Numan: download a copy of your prescription
- Pharmacy2U: Online Doctor service terms
- Pharmacy2U: finding a maintenance dose with your clinician
- Juniper: Commit & Save terms
- Juniper: cancellations, returns and refunds