Mounjaro® price changes from 1 September 2025 - what this means for SemaPen patients

Eli Lilly & Company has confirmed that the UK list price for Mounjaro (tirzepatide) will increase from 1 September 2025, bringing it in line with prices in other developed countries. Some doses are expected to see significant price changes, although exact impact on private patients will depend on provider pricing.

We’re already in discussions with our trusted pharmacy partners to understand the details and explore ways to minimise any cost increases for our patients. If you’re already on Mounjaro through SemaPen, any orders placed before 1 September will be honoured at the current price, even if they’re fulfilled later.

It’s important to note that Wegovy prices are not affected by this change. For some patients, Wegovy may be a safe and effective alternative if Mounjaro becomes unaffordable, and any change in medication will always be done under clinical supervision.

We’ll update you as soon as we have confirmed pricing from our suppliers. In the meantime, if you have questions about your treatment plan, our clinical team is here to help.

SemaPen, your trusted partner in safe, effective weight-loss treatment.