Hey Slim Mounjaro 15mg Price
15mg · Maximum Dose · 4-week supply
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About Mounjaro 15mg (Maximum Dose)
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. Hey Slim charges £309.00, which is 1% above the market average.
Frequently asked questions
How much does Mounjaro 15mg cost at Hey Slim?
Mounjaro 15mg at Hey Slim costs £309.00 per 4-week supply as of March 2026.
Is Hey Slim the cheapest for Mounjaro 15mg?
Hey Slim is ranked #40 out of 71 pharmacies for Mounjaro 15mg. The cheapest is £204.99 at Pharmacy Planet.
Does Hey Slim include consultation and delivery for Mounjaro 15mg?
Hey Slim does not include a consultation fee and does not include delivery in the £309.00 price.
Is Hey Slim GPhC registered?
Yes, Hey Slim is registered with the General Pharmaceutical Council (GPhC number: 9012739). You can verify this on the GPhC register.
Prices updated March 2026. Always confirm with the pharmacy before ordering.