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. IQ Doctor charges £304.99, which is 1% below the market average.

IQ Doctor discount codes

£80 offNew customers

Up to £80 Off 1st Orders

FIRST80

£20 off

£20 Off Return Orders

RETURN20

View all discount codes →

Frequently asked questions

How much does Mounjaro 15mg cost at IQ Doctor?

Mounjaro 15mg at IQ Doctor costs £304.99 per 4-week supply as of March 2026.

Is IQ Doctor the cheapest for Mounjaro 15mg?

IQ Doctor is ranked #37 out of 71 pharmacies for Mounjaro 15mg. The cheapest is £204.99 at Pharmacy Planet.

Does IQ Doctor include consultation and delivery for Mounjaro 15mg?

IQ Doctor does not include a consultation fee and does not include delivery in the £304.99 price.

Is IQ Doctor GPhC registered?

Yes, IQ Doctor is registered with the General Pharmaceutical Council (GPhC number: 9010411). You can verify this on the GPhC register.

Related comparisons

Compare all pharmacies for 15mg →IQ Doctor — all doses →Compare all Mounjaro prices →All discount codes →

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