The 15mg pen is the highest available Mounjaro dose. Clinical trials showed an average 20.9% body weight loss at this level. Not everyone needs to reach 15mg — your prescriber will determine the optimal dose for you.

The average price for Mounjaro 15mg across 71 UK pharmacies is £306.84. Fella Health charges £309.00, which is 1% above the market average.

Fella Health discount codes

£65 offNew customers

Up to £65 Off 1st Orders

FIRST65

View all discount codes →

Frequently asked questions

How much does Mounjaro 15mg cost at Fella Health?

Mounjaro 15mg at Fella Health costs £309.00 per 4-week supply as of March 2026.

Is Fella Health the cheapest for Mounjaro 15mg?

Fella Health is ranked #41 out of 71 pharmacies for Mounjaro 15mg. The cheapest is £204.99 at Pharmacy Planet.

Does Fella Health include consultation and delivery for Mounjaro 15mg?

Fella Health does not include a consultation fee and does not include delivery in the £309.00 price.

Is Fella Health GPhC registered?

Yes, Fella Health is registered with the General Pharmaceutical Council (GPhC number: 9012918). You can verify this on the GPhC register.

Related comparisons

Compare all pharmacies for 15mg →Fella Health — all doses →Compare all Mounjaro prices →All discount codes →

Prices updated March 2026. Always confirm with the pharmacy before ordering.