NHS vs private weight loss injections: which route is right for you?

Weight loss injections, sometimes called weight loss jabs or GLP-1 medication, have become one of the main options people in England consider for managing their weight. But getting hold of them isn't simple. You can try the NHS route, go private, or think about a mix of both.

This guide walks you through the differences: how long you'll wait, what you'll pay, how much support you get along the way, and who actually qualifies.

This guide focuses on GLP-1 and dual GLP-1/GIP injections, the medicines most people mean when they talk about weight loss jabs:

You may also see Ozempic mentioned. It contains the same active ingredient as Wegovy, but it's licensed for type 2 diabetes, not weight loss, so it isn't routinely prescribed for weight management alone.

If injections aren't right for you or you don't meet the criteria for any of them, orlistat is a tablet-based alternative that's more widely available on the NHS. 

Wegovy is now also available as an oral tablet, following recent MHRA approval, if needles are a barrier for you - see our guide to the Wegovy oral tablet.

There are, broadly, three ways to get these medicines on the NHS in England. Which one applies to you depends on your GP practice and your health conditions, and access varies by area. Scotland, Wales and Northern Ireland run their own NHS weight management pathways, so if you're outside England, check with your own health board.

Your GP refers you to a specialist NHS weight management team, who assess you before deciding whether medication is appropriate alongside dietary and psychological support. This is the main route for Wegovy.

Waiting times for these services are set locally rather than nationally, and vary enormously by area. Some NHS trusts report waits of a few months, others report around two to three years, and some services have paused new referrals altogether while they manage demand. There's no single official national figure, so it's worth asking your own service directly.

From April 2026, GP practices in England have been able to opt in to prescribing tirzepatide (Mounjaro) for weight management directly, without a specialist referral, if they meet strict criteria. Where a practice has taken this up, it can mean a shorter wait than a specialist referral, sometimes with no wait at all. But participation is optional for each practice, so it may not be offered where you live.

If you have type 2 diabetes, tirzepatide can be prescribed as part of your diabetes care under your GP's standard prescribing, separately from the weight management pathway. This route doesn't depend on the same weight-related eligibility rules.

If you're prescribed through the NHS in England, you'll pay the standard prescription charge, currently £9.90 per item. Prescriptions are free in Scotland, Wales, and Northern Ireland. If you're likely to need several months of treatment, a prescription prepayment certificate can work out cheaper.

You complete an online or in-person clinical assessment with a GPhC-registered pharmacy or GMC-registered prescriber. If approved, medication is usually posted to you or collected, often within a few days.

Prices vary a lot by medicine, dose, and provider. As a general guide, private weight loss injections typically cost somewhere in the range of £60 to £350 or more a month, with the higher end usually reflecting higher maintenance doses. Less potent options can sometimes cost less.

These figures usually cover medication only. Consultation fees, delivery, and any monitoring appointments are often charged on top, so check exactly what's included before you commit. Treatment is typically taken for at least 6 to 12 months, and often longer, so it's worth budgeting for it as an ongoing cost.

Standard private medical insurance in the UK generally doesn't cover weight loss medication, so most people are paying out of pocket.

This is where the two routes differ most.

On the NHS, extra support built in as standard, meaning dietary advice, physical activity support, and help with behaviour change, is part of treatment as a requirement, not an optional extra. You'll usually have regular check-ins, particularly while your dose is being increased.

Privately, the level of support depends on the provider. Some private clinics offer a comparable package with dietitian access and regular reviews. Others are closer to a straightforward prescription and delivery service, with monitoring left largely to you. If ongoing support matters to you, ask directly what's included before you pay, rather than assuming it's there.

Some factors tend to matter most when people are weighing these routes up: how urgently you want to start, whether you meet NHS eligibility criteria, how much ongoing structured support you want included, and what you're able to budget monthly. Weighing these against your own circumstances can help clarify which route fits you. If you're considering private providers, it's worth checking a few, since what's included for the price varies more than you'd expect.

Some people start privately while waiting on an NHS referral, then switch once NHS treatment becomes available. If you're considering this, ask your GP how switching between the two would work for your specific medication and dose.