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. Zava charges £309.99, which is 1% above the market average.

Zava discount codes

£40 offNew customers

£40 Off 1st Orders

FIRST40

£15 off

£15 Off Return Orders

RETURN15

View all discount codes →

Frequently asked questions

How much does Mounjaro 15mg cost at Zava?

Mounjaro 15mg at Zava costs £309.99 per 4-week supply as of March 2026.

Is Zava the cheapest for Mounjaro 15mg?

Zava is ranked #46 out of 71 pharmacies for Mounjaro 15mg. The cheapest is £204.99 at Pharmacy Planet.

Does Zava include consultation and delivery for Mounjaro 15mg?

Zava does not include a consultation fee and does not include delivery in the £309.99 price.

Is Zava GPhC registered?

Yes, Zava is registered with the General Pharmaceutical Council (GPhC number: 9011147). You can verify this on the GPhC register.

Related comparisons

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

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