Now that Wegovy comes as both a weekly injection and a daily pill, one of the first questions people ask is which one to choose. The honest answer is that neither is simply better, because they contain the same medicine. What differs is how you take it, the average results, and the cost. This guide walks through each difference so you can have a clear conversation with your prescriber. For the full background, see our complete guide to the Wegovy pill.
Both are semaglutide. The injection is once weekly and tends to give slightly higher average weight loss. The pill is once daily, needle-free, and follows a specific empty-stomach routine. The right choice comes down to your preference and your prescriber’s advice.
Same medicine, two forms
The most important thing to understand is that the Wegovy pill and the Wegovy injection both contain semaglutide, a GLP-1 medicine that reduces appetite by working with your body’s own fullness hormones. In other words, the biology doing the work is the same. The difference is purely in how that medicine is delivered: swallowed as a daily tablet, or injected under the skin once a week. Because of that shared foundation, the decision is less about which one works and more about which one fits your life.
Effectiveness: is one more powerful?
On average, the injection has a slight edge. The 2.4mg Wegovy injection produced around 15% average weight loss in its trials, while the pill produced around 13.6%. That gap is real but modest, and averages hide a lot of individual variation. For many people, the form they will actually stick with matters more than a percentage point or two on a chart. You can read more about the numbers behind the tablet in our guide to how the Wegovy pill works.
How you take each one
This is where the two really differ. The injection is once a week, at any time of day, with or without food, which many people find easy to fit around their lives. The trade-off is the injection itself, though modern pens are designed to make this simple and nearly painless.
The pill is once a day, but it comes with a specific routine. You take it first thing in the morning on an empty stomach, with only a small sip of water, and then wait at least 30 minutes before eating, drinking anything else, or taking other medicines. It is not difficult once it becomes a habit, but it does ask for a little daily discipline that the weekly injection does not.
Side effects
Because the active ingredient is identical, the side-effect profiles are very similar. The most common effects for both are digestive, such as nausea, diarrhoea, constipation and indigestion, and they tend to be mildest at the starting dose and settle as your body adjusts. Both are built up gradually for exactly this reason. Neither form is suitable for everyone, which is why an assessment always comes first.
Cost
Pricing is close, and it depends on the dose. At Superior Pharmacy the pill starts at £98.99 per month, and the injection starts at £94 per month. As doses increase the monthly cost rises for both. Cost alone rarely decides it, but it is worth knowing that choosing the pill does not mean paying a premium for the convenience of skipping needles.
Which one will you actually stick with?
Here is a point that rarely makes the comparison tables but matters enormously: the best treatment is the one you take consistently. A weekly injection is hard to forget, but some people dislike the needle enough to keep putting it off. A daily pill is needle-free, yet it asks you to remember it every morning and to follow the empty-stomach routine, so a missed or mistimed dose is a little easier to slip into.
Be honest with yourself about which pattern fits your temperament and your mornings. If you know you would resent a weekly jab, the pill may keep you on track better despite its slightly lower average. If your mornings are chaotic and a once-a-week task is easier to protect, the injection may serve you well. Staying on treatment is what delivers results, whichever form that turns out to be.
Switching from the injection to the pill
If you are already on the injection and fancy trying the tablet, you do not go back to square one. Your prescriber matches you to the nearest equivalent pill dose, using a guide like the one below, and confirms the right step for you.
So which should you choose?
If you dislike needles, or the idea of an injection is what has held you back from starting, the pill removes that barrier entirely. If you would rather deal with treatment once a week and forget about it in between, and you are happy to inject, the injection may suit you better, with the bonus of a slightly higher average result. There is no wrong answer, only the one that fits you, and your prescriber will help you land on it.
You are not locked in. Plenty of people start with one form and switch later if it suits them better, which is a normal part of finding the right fit. Our full guide to the Wegovy pill covers the switch in more detail.
Frequently asked questions
Do Wegovy tablets work as well as Wegovy injections?
Almost. The injection averages around 15% weight loss versus around 13.6% for the pill, a modest difference. For many people the convenience of a needle-free tablet outweighs the small gap.
Is the Wegovy pill less effective than the injection?
Slightly, on average. The injection edges ahead at around 15% average weight loss versus around 13.6% for the pill. But “less effective on average” is not the same as ineffective: 13.6% is a substantial result, and the form you take reliably often matters more than that small difference on paper.
What is the difference between Wegovy tablets and injections?
They contain the same medicine, semaglutide. The tablet is taken once daily on an empty stomach with a strict morning routine, while the injection is once weekly at any time, with or without food. The injection averages slightly higher weight loss, and the tablet is needle-free. How it works and its side effects are very similar for both.
Should I switch to the Wegovy pill?
It can be a good move if you would prefer a daily tablet to a weekly injection, or you dislike needles. Because the medicine is the same, switching is usually simple, and your prescriber will match you to the nearest equivalent pill dose. If the weekly injection already suits you, there is no need to change.
Can I switch from the Wegovy injection to the pill?
Yes. Your prescriber will move you to the nearest equivalent pill dose rather than restarting from the lowest step. See the switching table above.
Is the pill cheaper than the injection?
They are broadly similar. At Superior Pharmacy the pill starts at £98.99 a month and the injection at £94, with both rising as the dose increases.
Do the pill and injection have the same side effects?
Yes, very similar, because they contain the same active ingredient. Most side effects are digestive and settle as your body adjusts to the gradual dose increases.
This guide is general information and not a substitute for personal medical advice. Both forms of Wegovy are prescription-only medicines supplied after an online assessment and approval by one of our UK-registered independent prescribers. Always read the patient information leaflet and speak to your prescriber or pharmacist about your own circumstances.