The price of the popular weight-loss drug Mounjaro is set to nearly triple in the UK, jumping from 122 pounds to 330 pounds per month for the highest doses, following pressure from US President Donald Trump on drug companies. This 170 percent increase, announced by maker Eli Lilly, aims to align global prices amid complaints about foreign markets paying less than Americans, affecting thousands of private users starting next month.
Why the Sudden Price Hike?
Eli Lilly decided to raise the UK list price of Mounjaro after Trump urged pharmaceutical firms to stop letting other countries benefit from lower costs at America’s expense. The move comes as the US remains the world’s top market for high-priced drugs, where patients often pay three times more than in Europe.
This adjustment follows Trump’s letter last month to industry leaders, including Eli Lilly, demanding price matching across borders. Company officials stated they initially set a lower UK price to speed up NHS access, but now seek consistency with other European nations like Germany and France.
The change will hit private prescriptions hard, while the NHS deal stays unchanged. Experts warn this could push more people toward unregulated online sources or force them to switch treatments.
Private users, numbering at least 500,000 for Mounjaro and similar jabs like Wegovy, rely on pharmacies for supply. Retailers report growing demand as obesity rates climb, with one in four UK adults affected.

Impact on UK Patients and Healthcare
Many patients fear the price rise will limit access to this effective treatment, known for helping users lose up to 20 percent of body weight in trials. Doctors note Mounjaro mimics hormones that control hunger and blood sugar, making it a game-changer for obesity and diabetes.
The NHS plans to roll out Mounjaro to about 240,000 eligible patients over three years, focusing on those with a BMI over 35 and related health issues. Nice guidelines stress ongoing support to prevent weight regain after stopping the drug.
Private costs could soar, but some providers may negotiate discounts. One user shared online that the jab helped drop nine stone, but affordability remains a barrier without insurance.
Health groups call for better regulation to protect vulnerable groups. The price shift highlights global drug pricing debates, with the UK often securing deals through bulk buying.
| Dose Strength | Current Price (per month) | New Price (per month) | Percentage Increase |
|---|---|---|---|
| Lowest dose | £92 | £230 | 150% |
| Medium dose | £107 | £280 | 162% |
| Highest dose | £122 | £330 | 170% |
Trump’s Role in Global Drug Pricing
President Trump has long criticized what he calls foreign freeloaders, arguing US consumers subsidize research through high prices. His administration’s push gained traction this year, leading companies like Eli Lilly to act.
In a recent statement, Trump highlighted how drugs like Mounjaro cost 1,080 dollars in the US versus 200 dollars in Japan. This disparity fuels calls for reform, with some lawmakers proposing import allowances.
Eli Lilly reported record sales from Mounjaro, topping 5 billion dollars last quarter, driven by demand in weight management. Yet, critics say price hikes abroad won’t lower US costs without broader changes.
International groups watch closely, as similar moves could affect Canada and Australia. Trump’s approach echoes past efforts, like the 2018 blueprint to cut drug prices, but results remain mixed.
How Mounjaro Works and Alternatives
Mounjaro, or tirzepatide, targets GLP-1 receptors to regulate appetite and insulin, outperforming rivals in studies. Users inject weekly, often seeing quick results alongside diet and exercise.
Side effects include nausea and fatigue, but benefits for heart health add appeal. The drug gained FDA approval for weight loss in 2023, sparking a boom in prescriptions.
Alternatives like Wegovy from Novo Nordisk face supply shortages, with prices around 200 pounds monthly in the UK. Some turn to older options like orlistat, but efficacy varies.
- Wegovy: Similar hormone mimic, available via NHS for severe cases.
- Ozempic: Diabetes-focused version, sometimes used off-label for weight.
- Lifestyle programs: Free NHS apps and groups for non-drug support.
Patients should consult doctors before changes, as abrupt stops can lead to rebound weight gain.
Broader Implications for Drug Access
This price adjustment underscores tensions between innovation and affordability in healthcare. As obesity affects over 1 billion people worldwide, per WHO data, treatments like Mounjaro offer hope but at a steep cost.
In the UK, government talks with pharma giants continue to balance access and budgets. Recent events, including a 2024 trial linking these drugs to reduced heart risks, boost their value.
Experts predict more scrutiny on pricing models, possibly leading to generic versions by 2030. For now, users brace for higher bills amid ongoing debates.
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