Our weight loss injection costs explained

With SemaPen, you get more than medication. Sign up in the app and enjoy expert support from UK obesity specialists.

At SemaPen, we're proud to offer weight loss programmes built by UK weight loss experts.


That means you're not just paying for the pen. A wide range of professional support is included in our slimming injection prices.


You can choose our Silver, Gold or Platinum support plans to complement your weight loss programme. It all depends on the level of support you need to achieve your goals.


On top of that, you get access to the SemaPen weight loss app, which is full of useful features to help you lose weight and keep it off. It also helps keep you safe and healthy throughout your weight loss journey.

The SemaPen App

With everything you need to lose weight in one convenient place, the SemaPen app provides daily support and motivation to keep your weight loss on track.


  • See your progress unfold from your health dashboard.
  • Learn about all things nutrition and wellness with SemaPen Academy.
  • Keep tabs on your mental health, dosage plan and any symptoms.
  • Use our advanced nutrition and calorie tracking technology – including a barcode scanner.*

Mounjaro slimming injections price

Your first month of Mounjaro weight loss injections cost as little as £56.25** per week when you subscribe to our Mounjaro programme and personalised support plan.


Want to discover what our Mounjaro programme could do for you? Discover what our programmes involve, how our app can support your weight loss journey and how much you'll pay each month with SemaPen.

Learn More

Wegovy slimming injections price

Our Wegovy weight loss injections costs start at £47.25** per week when you sign up through the SemaPen app.


SemaPen's weight loss programmes are among the most feature-rich in the UK – especially when you take full advantage of our app and expert support plans. Discover all that our Wegovy programme has to offer and get transparent month-by-month costs

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SemaHealth programme

Want to lose weight without medication? Looking for a more affordable option? The SemaHealth programme could be right for you.


When you sign up for this option, you get the same tailored, expert support and handy health tracking features. The difference? We've swapped injectable medications for delicious, satisfying and nutrient-rich daily soups and shakes.


With SemaHealth, you can choose to pay one upfront fee to cover the first three months. You then pay a monthly fee of £35.99 for the remainder of the 12-month programme. This works out to just £89.41 per month on average.

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Get 10% off when you refer a friend

We love welcoming new members to our weight loss community. That's why we offer a 10% discount when you refer a friend.


How it works is simple. For every referral who signs up to our programme, you get 10% off your next weight loss pen. It's a great way to share your weight loss success and save on your monthly subscription.