17%1 versus 12.4%2. That is the difference between the average weight loss seen with the highest doses of the Wegovy pill and Foundayo in their respective clinical trials.*
But results are only part of the decision.
Wegovy Pill vs Foundayo (orforglipron): At a Glance
Key Takeaway 1
The Wegovy pill achieved greater average weight loss in separate clinical trials: 17% over 64 weeks, compared with 12.4% for Foundayo over 72 weeks.*
Key Takeaway 2
Foundayo is more flexible to take: it can be taken with or without food, while the Wegovy pill requires fasting and a 30-minute wait before eating, drinking or taking other medicines.
Key Takeaway 3
Only the Wegovy pill is currently available in the UK: Foundayo is still awaiting UK approval.
Key Takeaway 4
There is no universal winner: the better fit depends on your health, goals, side effects and which routine works best for your life.
You’re here because you want to do the research before making a decision. That’s sensible. So, we’re putting the two tablets side by side and looking at what really matters: weight loss results, how easy they are to take, side effects, availability and how well each one could fit into your life.
Wegovy Pill vs Foundayo: What Are the Key Differences?
The Wegovy pill and Foundayo may both be daily GLP-1 tablets, but your routine could look very different depending on which one you take.
- Wegovy pill comes with a few non-negotiables. You need to take it on an empty stomach with no more than 120ml of water, then wait at least 30 minutes before eating, drinking or taking any other medication. Morning may be the easiest time for many people, but the real rule is the fasting window.
- Foundayo pill is the more flexible option. You can take it at any time of day, with or without food or drink, and there is no fasting period to plan around.
So, if your mornings already feel like a military operation, that difference could matter. Here’s how the two tablets compare at a glance.
| Wegovy pill | Foundayo |
|---|
| Active ingredient | Semaglutide | Orforglipron |
| Type of treatment | GLP-1 receptor agonist | GLP-1 receptor agonist |
| How it works | Mimics the action of the natural GLP-1 hormone, helping to regulate appetite, increase feelings of fullness, and reduce hunger and food cravings | Mimics the action of the natural GLP-1 hormone, helping to regulate appetite, increase feelings of fullness, and reduce hunger and food cravings |
| How often you use it | Once daily | Once daily |
| Available strengths | 1.5mg, 4mg, 9mg, 25mg | 0.8mg, 2.5mg, 5.5mg, 9mg, 14.5mg, 17.2mg |
| Format | Tablet | Tablet |
| Effectiveness | The Wegovy pill (oral semaglutide 25mg) achieved an average weight loss of 17% over 64 weeks in the OASIS 4 trial¹ | In the ATTAIN-1 trial, individuals taking the highest dose of orforglipron (Foundayo) lost an average of 12.4% over 72 weeks² |
| Approved for weight loss in the UK? | Yes | No |
What Is the Wegovy Pill?
The Wegovy pill is a once-daily prescription-only weight loss tablet containing semaglutide, the same active ingredient used in Wegovy injections.
They helps reduce your appetite and keep you feeling fuller for longer, so managing portions and making healthier choices can feel a little less like hard work.
You might notice that the tablet doses are much higher than the injection doses. That is because with the pills the semaglutide has to make its way through your digestive system, where only a small amount is absorbed, so the dose needs to be higher to make sure enough of the medicine reaches your bloodstream.
New Wegovy Pill Is Now Available
The Wegovy pill has been approved in the UK and is available to buy at The Independent Pharmacy, subject to eligibility.
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What Is Foundayo?
If you've been following the latest news about weight loss treatments, you may have come across Foundayo being called the “Mounjaro pill”. It's manufactured by Eli Lilly, who produce Mounjaro injections, so it’s an obvious nickname, but it isn't quite right.
Foundayo contains orforglipron, a different active ingredient from the tirzepatide found in Mounjaro injections. It is a once-daily GLP-1 tablet designed to help reduce appetite, keep you feeling fuller for longer and support weight loss.
New Foundayo (Orforglipron) Pill - From the Manufacturers of Mounjaro
Orforglipron, the active ingredient in Foundayo, works to help you feel fuller for longer, which may lead to reduced appetite and calorie intake. When approved in the UK, it will be available to buy at The Independent Pharmacy, subject to eligibility.
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Are There Any Advantages or Disadvantages to Either Pill?
You’re comparing the Wegovy pill and Foundayo because you want to know what taking them would actually look like in real life.
We've pulled the key differences together, so you can see which option may fit your routine, priorities and treatment goals more comfortably.
| Wegovy pill | Foundayo |
|---|
| How to take it | Once daily on an empty stomach with up to 120ml of water. Wait at least 30 minutes before eating, drinking or taking other medications. | Once daily, with or without food. No fasting or waiting period required. |
| Convenience | Requires strict 8-hour fast beforehand | More flexible, can fit in at any time of day |
| Clinical track record | There are extensive clinical and real-world uses of semaglutide | Newer medication with less long-term data available |
For full dosing instructions, available strengths, side effects and safety information, visit our:
Wegovy Pill vs Foundayo: Effectiveness
If you’re trying to understand what each treatment could mean for your health, confidence and everyday life. Here are the results to help you weigh up your options.
| % of people lost | Wegovy 25mg tablets for 64 weeks | Foundayo 36mg tablets for 72 weeks |
|---|
| 5% starting weight | 87% | 77% |
| 10% starting weight | 71% | 55% |
| 15% starting weight | 56% | 36% |
| 20% starting weight | 34% | 18-19% |
Wegovy Pill vs Foundayo in Clinical Trials
The first thing many people look at when choosing between these treatments are the weight loss percentages.
Based on the available clinical trials, people taking the 25 mg Wegovy pill in OASIS 4 lost an average of 17% of their body weight, compared with 12.4% in the ATTAIN-1 trial for orforglipron. As these were separate studies rather than a direct comparison, individual results may differ.
| Trial | Treatment | Average weight loss |
|---|
| OASIS 4 | Wegovy pill 25mg | 17%¹ |
| ATTAIN-1 | Foundayo 17.2mg | 12.4%² |
Wegovy Pill vs Foundayo: UK Cost & Availability
Right now, only the Wegovy pill has a UK price. It is available by private prescription from registered UK pharmacies, with the cost varying by provider and prescribed dose.
Foundayo is still awaiting UK approval, so there is no confirmed UK price or launch date yet. For the latest information on availability, eligibility and pricing, visit our Foundayo (orforglipron) treatment page.
Pricing for the Wegovy pill varies between providers and according to your prescribed dose.
| Wegovy pill 1.5mg dose |
|---|
| The Independent Pharmacy | £128.99 |
| Numan | £144 |
| Voy | £129 |
*All prices are without any discount or special offer applied. Prices accurate at the time of writing
Is the Wegovy Pill Available to Buy Online in the UK?
Yes, you can buy the Wegovy pill from registered UK online pharmacies. You'll need to complete an online consultation to determine whether you're eligible for treatment before a prescription can be issued.
Is Foundayo Available to Buy Online in the UK?
No. While Foundayo has been approved in the US, it’s yet to be so for use in the UK.
It may become available through UK-regulated private providers if it receives MHRA approval.
Do I Need a Prescription?
Yes, you’ll need a prescription for the Wegovy pill and for orforglipron if it becomes available in the UK.
You can currently request the Wegovy pill through a regulated online pharmacy such as The Independent Pharmacy. You’ll usually start by completing an online consultation about your health, medical history, current medicines and weight loss goals. A UK-registered prescriber will then review your answers to decide whether the treatment is safe and suitable for you.
If your prescription is approved, the medication can be supplied and delivered to you. Foundayo would be expected to follow a similar process if it receives UK approval.
Wegovy Pill vs Foundayo (Orforglipron): Dosage Comparison
Both the Wegovy pill and Foundayo are taken once a day, but their dosing schedules differ. Both pills start low and build up gradually, giving your body time to adjust. The Wegovy pill moves through four dose steps from 1.5 mg to 25 mg, while Foundayo works its way up to a maintenance dose of 17.2 mg.
Here’s how the dose journeys compare.
| Wegovy pill | Foundayo |
|---|
| Starting dose | 1.5mg | 0.8mg |
| Dose increases | Increase to 4mg, then 9mg, then 25mg, with at least 30 days at each dose. | Increase to 2.5mg, then 5.5mg, then 9mg, then 14.5mg, then 17.2mg, with at least 30 days at each dose. |
| Typical maintenance dose (although this varies by individual) | 25mg | 17.2mg |
| Maximum dose | 25mg | 17.2mg |
Wegovy Pill vs Foundayo: Side Effects Comparison
Before choosing a weight loss treatment, you might want to know: which one is likely to be kinder to my stomach?
The answer is not quite as neat as picking a winner.
Because the Wegovy pill and Foundayo both work on the GLP-1 pathway, they can cause similar digestive side effects.
Here’s something worth knowing: these side effects are often linked to the dose increases, not just the treatment itself. They can feel more noticeable when you first start or move up a strength, then often settle as your body adjusts.
Digestive side effects were common with both treatments in clinical trials. They affected around 60% to 69% of people taking Foundayo and 74% of people taking the Wegovy pill.¹ ²
Most were mild to moderate and tended to show up more when the dose was being increased, before easing as the body adjusted.
So, is one easier to tolerate? Not necessarily. Everyone responds differently. If you need help managing side effects, take a look at our GLP-1 Side Effects Treatment Pack.
For the full side-effect lists and safety advice, visit our Wegovy pill treatment page and Foundayo treatment page.
Wegovy Pill vs Foundayo: Warnings & Patient Safety
This is the serious bit, so let’s keep it clear.
The Wegovy pill and Foundayo share several important safety warnings. That does not mean these problems are likely to occur, but it does mean your prescriber needs the full picture before deciding whether either treatment is suitable for you.
Thyroid Tumour Warning
Both treatments carry a warning about thyroid C-cell tumours because medicines with GLP-1 activity caused these tumours in animal studies. It’s not known whether the same risk exists in humans.
You should not take either treatment if you or someone in your family has had medullary thyroid carcinoma (MTC), or if you have multiple endocrine neoplasia syndrome type 2 (MEN 2).
Tell a healthcare professional if you develop a lump or swelling in your neck, ongoing hoarseness, difficulty swallowing or shortness of breath.
Pancreatitis
Severe stomach pain that will not go away is not one to wait out.
Stop taking the treatment and seek urgent medical help if you develop severe, persistent pain in your stomach, particularly if it spreads to your back or comes with vomiting. This could be a sign of pancreatitis.
Severe Digestive Problems
Both medicines can slow the rate at which food leaves your stomach. They are not recommended for people with severe gastroparesis, where the stomach empties much more slowly than normal.
If you’re already dealing with significant digestive problems, make sure your prescriber knows before you start.
These are only the main shared warnings. Visit our Wegovy pill treatment page and Foundayo treatment page for full safety information, including who should not take each treatment.
Wegovy Pill vs Foundayo: How It Works
On the surface, the two tablets have plenty in common. Both work on the GLP-1 pathway, helping reduce hunger, quiet cravings and keep you feeling fuller for longer.
The real difference is how they get into your system.
How the Wegovy Pill Works
The Wegovy pill contains semaglutide, the same active ingredient used in Wegovy injections.
Here’s the challenge: semaglutide is a peptide, so your digestive system would normally break down most of it before it had the chance to work.
That’s where SNAC comes in. SNAC, or salcaprozate sodium, acts as a chemical carrier. It helps protect the active ingredient, semaglutide from stomach acid and supports its passage through the stomach lining into your bloodstream.
How Foundayo Works
Foundayo is a small-molecule GLP-1 medicine designed to be absorbed through the digestive system without needing a carrier like SNAC.
It still works on the same appetite pathway, helping reduce hunger, cravings and how much you want to eat.
Wegovy Pill vs Foundayo: Directions
This is where the two tablets really part ways.
The Wegovy pill comes with a set routine. You need to take it after fasting for at least 8 hours, swallow it whole with up to 120ml of water, then wait at least 30 minutes before eating, drinking or taking other medicines.
Foundayo keeps things much looser. You take one tablet once a day whenever suits you, with or without food, and there are no fasting, water or waiting rules.
Both tablets must be swallowed whole and should not be crushed, chewed or split.
For the full step-by-step instructions, visit our Wegovy pill treatment page and Foundayo treatment page.
Wegovy Pill vs Foundayo: Eligibility
Before you start picking a favourite, there’s one important question to answer: are either of these treatments actually suitable for you?
The Wegovy pill and Foundayo are generally intended for adults with:
- A BMI over 30
- A BMI over 27 plus a weight-related health condition, such as high blood pressure or type 2 diabetes
Who shouldn’t take Wegovy pills or Foundayo?
- Neither treatment is suitable for everyone. Your medical history, current medicines and personal circumstances will all help determine whether either option is safe for you.
- For the full list of exclusions and safety checks, visit our Wegovy pill treatment page and Foundayo treatment page.
Can I Switch Between the Wegovy Pill & Foundayo?
You may be able to switch, but it isn’t always appropriate, and the medicines are not directly dose-equivalent.
Before approving a switch, our clinical team will review your current treatment, dose, last dose, treatment response, side effects, medical history and reason for changing. If switching is appropriate, your prescriber will confirm when to stop your current medicine, when to start the new treatment and which starting dose is suitable. Never overlap the two medicines unless a prescriber has specifically advised you to.
Can I Switch From GLP-1 Injections to Oral GLP-1s?
Yes, you can switch from GLP-1 injections to oral GLP-1s. You can read more about the switch from Wegovy injections to the Wegovy pill in our guide.
Can I Use the Wegovy Pill & Foundayo (Orforglipron) at the Same Time?
No. This is not a case of two GLP-1s being better than one.
The Wegovy pill and Foundayo work on the same pathway, so taking them together may increase your risk of side effects without providing any proven extra benefit.
What’s the Best Oral GLP-1 for You?
There’s no universal winner here. Annoying, we know.
The Wegovy pill may appeal if you want a treatment containing semaglutide, an active ingredient with an extensive clinical track record. Foundayo may stand out if you want a more flexible routine without fasting or water restrictions.
But convenience is only part of the decision. Your medical history, previous treatment, weight loss goals and how you respond to side effects all matter too.
That’s where our UK-registered clinical team comes in. They’ll review the full picture and help determine which option is safe, suitable and more likely to work with your lifestyle.
Wegovy Pill vs Foundayo: Pros & Cons
Pros
| Wegovy pill | Foundayo |
|---|
| ✅ Well-established GLP-1 medicine with extensive clinical experience | ✅ Can be taken with or without food |
| ✅ May produce greater weight loss | ✅ Can be taken at any time of day |
| ✅ Fewer administration requirements |
Cons
| Wegovy pill | Foundayo |
|---|
| ❌Must be taken on an empty stomach after an 8 hour fast | ❌Newer medication, with a shorter track record of clinical use |
| ❌You need to wait 30 minutes before eating, drinking or taking other medications | ❌Not approved or available in the UK |
You can explore each treatment in more detail, including how it's taken, common side effects, how it performs in clinical studies and what to expect as your dose increases in a comparison table on our Foundayo treatment page.
FAQs: Wegovy Pill vs Foundayo
Can I switch from the Wegovy pill to Foundayo?
Yes. If Foundayo becomes available in the UK, it may be possible to switch from the Wegovy pill to orforglipron under the guidance of your prescriber.
Although both are daily weight loss tablets, they contain different active ingredients and have different dosing schedules, so there isn't a direct dose-for-dose conversion.
Your clinician will advise you when to stop the Wegovy pill, when to start Foundayo and which dose is most appropriate for you.
Do I need to keep the Wegovy pill or Foundayo in the fridge?
No. Neither the Wegovy pill nor Foundayo require refrigeration. Both tablets can be stored at room temperature according to the manufacturer's instructions, making them convenient to keep at home or take with you when travelling.
What if I miss a dose of Wegovy or Foundayo?
The advice depends on which treatment you're taking.
- Wegovy pill: If you miss a dose, skip the missed tablet and take your next dose at the usual time the following day. Do not take 2 tablets to make up for a missed dose.
- Foundayo: If you forget to take your dose, take it as soon as you remember. If it’s almost time to take your next dose, skip the missed dose. Never take 2 tablets to make up for missing a dose.
If you're unsure what to do, contact your prescriber before taking your next dose.
Do GLP-1 pills have the same side effects as GLP-1 injections?
Generally, yes. The most common side effects are similar because both tablets and injections work by targeting the GLP-1 pathway.
Common side effects include nausea, vomiting, diarrhoea, constipation and abdominal discomfort, particularly when starting treatment or increasing your dose. For most people, these side effects improve as the body adjusts.
If you need help managing side effects, take a look at our GLP-1 Side Effects Treatment Pack.
Are oral GLP-1s like the Wegovy pill & Foundayo less effective than injections?
Not necessarily. Clinical trials have shown that oral GLP-1 treatments can produce significant weight loss results, comparable with many injectable GLP-1 medicines.
Is the Wegovy pill or Foundayo available on the NHS?
The Wegovy pill may now be approved in the UK, but that doesn’t automatically mean you can get it on the NHS.
NICE still needs to assess whether it should be funded, who may be eligible and how it could be offered through NHS weight management services. In other words, approval is one part of the story; NHS access is another.
For orforglipron, NHS access would depend on two separate decisions: MHRA approval for UK use, followed by NICE guidance on whether it should be funded by the NHS.
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