Can you get weight loss injections from your GP on the NHS?

You've asked your GP and the answer was 'not yet', here's why

Picture this: you've done your research, checked your BMI, mentioned it at your last appointment, and your GP looked hesitant. That hesitation is almost certainly about eligibility thresholds, not about you personally. NHS prescribing of tirzepatide through general practice only began in earnest from April 2026, under a new voluntary GP contract. The word 'voluntary' matters, your practice has to opt in, and many haven't yet, or are still setting up the required wraparound diet and activity support before they start prescribing. According to NHS England's guidance on tirzepatide in primary care, every patient must be enrolled in structured lifestyle support alongside the medicine, it isn't a standalone prescription.

The current NHS cohort criteria (from June 2025) require a BMI of 40 or above plus four or more qualifying conditions from a list that includes type 2 diabetes, high blood pressure, dyslipidaemia, obstructive sleep apnoea and cardiovascular disease. A second cohort (BMI 35–39.9 with four or more conditions) became eligible from June 2026. Lower BMI thresholds apply for some ethnic backgrounds under UK guidance. Meeting those numbers is necessary but not sufficient: your practice still has to be participating. If yours isn't, your GP can't refer you into this pathway even if you qualify on paper.

Wegovy (semaglutide injection) follows a different NHS route entirely. NICE's recommendation for semaglutide (TA875) specifies use within a specialist weight management service with multidisciplinary support. That means a GP referral to a tier 3 or 4 service, and waiting times for those services run to months or longer in most parts of England.

What the GP can actually do if you don't hit the NHS threshold

A GP who isn't in a position to prescribe tirzepatide on the NHS can still be a useful starting point. They can confirm your BMI, document your weight-related conditions, discuss your medical history, and rule out anything that would make these medicines unsuitable, a history of certain thyroid conditions or pancreatitis, for example. That conversation has real value even if it doesn't end with a prescription.

They can also write to a private provider or confirm details for a private consultation. If you're wondering whether you can get weight loss injections from your GP, the short answer is that it depends on whether your practice has opted into the relevant NHS contract and whether you meet the current eligibility criteria. That said, it isn't a requirement. A private regulated pharmacy or clinic conducts its own clinical assessment independently, the prescriber there reviews your medical history, current medicines, and a verified weight, and makes their own clinical judgement. One doesn't block the other. You can also explore the broader landscape of weight management treatment options to see which route makes the most sense for your situation.

On the question of cost through the private route, the reality is that weight loss injection pricing in the UK shifted substantially when Eli Lilly raised Mounjaro's list price in September 2025, reported private prices now range roughly £149–£375 per month depending on the dose and provider. That context is worth understanding before comparing quotes.

The private prescription route: what it involves and what to look for

If your GP can't prescribe on the NHS right now (whether because your practice hasn't opted in, your BMI sits just below the current threshold, or you'd rather not wait) a GPhC-registered online pharmacy is the regulated private alternative. For a fuller picture of how both routes compare, it's worth reading about getting weight loss injections from your doctor, including what a private prescriber can offer when the NHS pathway isn't available to you. The process mirrors what a GP would do: a consultation, a review of your medical history and current medicines, identity and weight verification, and a prescriber's decision on suitability. It isn't quicker because corners are cut; it's quicker because a private service has capacity the NHS currently doesn't.

The thing to check is that any online pharmacy you use appears on the GPhC register. That's publicly searchable and takes thirty seconds. If a seller can't be found there, or is offering these medicines without a prescription or clinical assessment, walk away, the MHRA has repeatedly warned about counterfeit pens circulating online, including fake versions containing insulin. At nume, every consultation is reviewed by a GPhC-registered Independent Prescriber on the same day it arrives. Orders placed before 12pm on a weekday are dispatched the same day once clinically approved, arriving by tracked DPD the next working day in plain packaging. If you'd like to understand the full process before committing, the FAQs page covers it in detail, or you can read about our clinical team directly. The weight loss injection overview is also a practical starting point if you're still weighing up your options.