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. Ashcroft Pharmacy charges £274.99, which is 10% below the market average.

Ashcroft Pharmacy discount codes

£20 offNew customers

£20 Off 1st Orders

FIRST20

£17 off

£17 Off Return Orders

RETURN17

View all discount codes →

Frequently asked questions

How much does Mounjaro 15mg cost at Ashcroft Pharmacy?

Mounjaro 15mg at Ashcroft Pharmacy costs £274.99 per 4-week supply as of March 2026.

Is Ashcroft Pharmacy the cheapest for Mounjaro 15mg?

Ashcroft Pharmacy is ranked #7 out of 71 pharmacies for Mounjaro 15mg. The cheapest is £204.99 at Pharmacy Planet.

Does Ashcroft Pharmacy include consultation and delivery for Mounjaro 15mg?

Ashcroft Pharmacy does not include a consultation fee and does not include delivery in the £274.99 price.

Is Ashcroft Pharmacy GPhC registered?

Yes, Ashcroft Pharmacy is registered with the General Pharmaceutical Council (GPhC number: 9012896). You can verify this on the GPhC register.

Related comparisons

Compare all pharmacies for 15mg →Ashcroft Pharmacy — all doses →Compare all Mounjaro prices →All discount codes →

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