Jext, in the UK, is a prescription-only medicine and not available to buy over the counter. However, you can request to buy Jext pens online in the UK from registered online pharmacies, like Simple Online Pharmacy. Simply complete an online assessment form for our doctors to assess to make sure it’s safe to prescribe. Our Jext 300 micrograms price is £47.95 for one device and £94.99 for two devices.