You type “semaglutide 5mg” into Google. The price you see looks tiny next to a monthly clinic bill. Then a question hits you. Is 5mg one dose? A month’s supply? And why is it so cheap?
Good questions. The answers matter more than the price tag, so let’s go through them step by step.
The number 5mg usually describes how much medicine is in a vial or pen. It does not tell you what to take. Think of it like a bottle of juice. “500ml” tells you the bottle size, not how much to drink at once.
Licensed semaglutide, sold in the UK as Wegovy, is given once a week. Treatment starts with a very small amount and rises slowly over several months. A doctor sets each step based on your health and how you feel.
When people search for semaglutide 5mg dosage, they want a simple answer like “take X each week.” No safe answer exists without a clinician. The right amount depends on your weight, medical history, other medicines, and side effects.
Moving up too fast can cause heavy nausea and vomiting. A prescriber watches for that. A vial of 5mg semaglutide bought online does not come with that help.
Money is the biggest driver. Private Wegovy in the UK can run from about £99 to £320 a month, depending on your dose. UK Reddit users report a similar spread, from around £79 to over £300. The new tablet isn’t cheap either: private prices sit around £150 to £230 a month, and many providers cut £30 to £50 off the first month.
Over a year, that adds up to thousands of pounds. So when a site offers 5mg semaglutide for a fraction of the cost, it grabs attention fast.
The NHS route is far cheaper. In England, you pay only the standard prescription charge of £9.90 per item, and prescriptions are free in Scotland, Wales and Northern Ireland.
The catch is getting in. NHS access is very limited. It generally needs a BMI of 35 or more plus a weight-related health condition, and a referral to a specialist weight-management service. MPs heard in June 2026 that only about 1% of eligible patients are using NHS weight-loss services.
Private providers set wider rules, usually a BMI of 30 or more, or 27 with a related condition. That gap explains why many people go private and then feel squeezed by the price.
Book a visit and bring your height, weight and any conditions such as type 2 diabetes, high blood pressure or sleep apnoea. Ask two things: “Am I eligible for a specialist weight service?” and “What else can I try while I wait?” Even if the answer is no, you leave with a plan.
Some people avoid injections for one simple reason: they dread needles. An estimated one in ten people live with needle phobia.
There is news here. Oral Wegovy launched in the UK on 6 July 2026, the first GLP-1 medicine you can take as a tablet. Ask your prescriber whether it suits you. If you do use pens, clinicians can show you ways to make the injection easier, such as slow breathing, a calm setting, and a trained person guiding the first try.