Foundayo is taken as one tablet, once a day, swallowed whole — at any time of day, with or without food. There is no overnight fast, no limit on how much water you have with it, and no waiting period before breakfast. Do not break, crush or chew the tablet. Keep it in its original blister, which protects it from light; it does not need a fridge. The dose starts low, at 0.8 mg, and is raised by your prescriber in steps at least 30 days apart.
That is the whole routine, and its shortness is the point. Foundayo (orforglipron) was authorised by the MHRA on 10 August 2026 and has been available in the UK by private prescription since 24 August 2026; its Summary of Product Characteristics and patient information leaflet are published on the emc. This article is information only, not medical advice: Foundayo is a prescription-only medicine and a qualified prescriber decides whether it is right for you. Where the label is silent on a detail, we say so.
The daily routine, in full
Everything the UK product information asks of you day to day fits in six lines:
- One tablet a day. Once daily, every day.
- Any time of day. Morning, lunchtime or evening — no required slot.
- With or without food. No fasting, before or after.
- No water rules. No maximum sip, no minimum glass, no 30-minute wait.
- Swallow it whole. Do not break, crush or chew it.
- Keep it in the blister. The tablets are light-sensitive; no fridge needed.
Because no time of day is required, the only real question is which time you will remember. A daily medicine is easiest to keep up when it is anchored to something you already do without thinking — and with no timing rules, you can choose that anchor freely.
Why Foundayo has no fasting or water rules
This is the part worth understanding, because it explains why one GLP-1 tablet demands a strict morning ritual and another does not.
Most GLP-1 medicines are peptides — small proteins. Peptides are digested if you swallow them unprotected, which is why medicines like tirzepatide and semaglutide are injected. The Wegovy pill (oral semaglutide) gets round that with an absorption helper and a set of rules designed to give the tablet a clear run at an empty stomach: it is taken first thing after an overnight fast of at least eight hours, with no more than about 120 ml of plain water, and then you wait at least 30 minutes before eating, drinking anything else, or taking any other tablet.
Orforglipron is not a peptide. It is a small-molecule drug — a conventional chemical compound — that switches on the same GLP-1 receptor, and it is absorbed like an ordinary tablet whatever you have eaten. That single difference in chemistry is why the instructions collapse from a protocol into a sentence. Our guide to how orforglipron works goes into the mechanism in more depth.
What it does once absorbed is the same GLP-1 story: it acts on appetite centres in the brain so you feel less hungry and fuller sooner, it slows stomach emptying — most in the first days, then less — and it boosts insulin only when blood sugar is high.
The dose ladder: six strengths, at least six months
Nobody starts at the top. Foundayo is started low and raised in steps that are held for at least 30 days each.
| Dose | Where it sits |
|---|---|
| 0.8 mg | Starter dose — the first month |
| 2.5 mg | Second step |
| 5.5 mg | Third step — the first dose you may stay on |
| 9 mg | Optional higher step |
| 14.5 mg | Optional higher step |
| 17.2 mg | Maximum dose |
The steps above 5.5 mg are optional: whether you climb depends on how you are responding and tolerating it, which is a judgement for your prescriber. Because each rung takes a month, the earliest anyone can be taking 17.2 mg is month six. Our dosage page sets out each strength in more detail.
As for what you feel and when: the appetite effects start with the first tablets — the drug reaches a steady level in the body within about a week — but weight loss builds as the dose steps up. The trials measured results at 72 weeks, so the effects keep building well beyond the six-month climb.
If you miss a dose
The UK product information gives one clear instruction: take it when you remember that day, and never take two doses in one day.
That is deliberately all we will tell you, because it is all the label says. If a full day has gone by, or you have missed several in a row, the leaflet in your pack and your pharmacist or prescriber are the right sources — not a guess from a website.
Storing your tablets
Foundayo tablets stay in their original blister, because they are sensitive to light — so resist the urge to decant a week's worth into a pill organiser without checking with your pharmacist first. No refrigeration is needed, which makes the tablet simpler to travel with than an injection pen. Always follow the storage wording printed on your own pack and leaflet, and keep medicines out of sight and reach of children.
What to tell your prescriber before you start
A short routine does not mean a medicine without cautions. The UK product information says Foundayo is not for:
- people who are pregnant or breastfeeding — and it should be stopped at least three weeks before trying to conceive;
- anyone under 18;
- anyone allergic to orforglipron;
- people with severe liver disease or severe heart failure, in whom it is not recommended.
Caution also applies if you have a history of pancreatitis, severe gut disease or diabetic eye disease. And there are interactions worth raising by name: the antibiotic clarithromycin, the antibiotic rifampicin, the herbal remedy St John's wort, the cholesterol medicine simvastatin, and oral contraceptives. On that last point, the product information is specific — the pill may be less reliable for 30 days after you start Foundayo and for 30 days after each dose increase, so a barrier method or a switch to a non-oral method is advised for those windows.
In practice: bring a full list of everything you take, including over-the-counter and herbal products, to your consultation and to the pharmacy.
What to expect in the first weeks
The side effects listed as common with Foundayo are digestive: nausea, constipation, diarrhoea, vomiting, and indigestion or stomach pain. Less common but more serious risks include pancreatitis, gallstones, dehydration that strains the kidneys, a faster pulse or low blood pressure, and low blood sugar if you also take insulin or a sulfonylurea. Our side effects page and our article on what the UK leaflet and trials report cover these in full.
Foundayo is a black-triangle medicine, meaning it is under additional monitoring so that new safety information is picked up quickly. If you experience a side effect, tell your prescriber or pharmacist and report it through the MHRA Yellow Card scheme.
One last point of context: Foundayo is not available on the NHS. NICE is appraising it for overweight and obesity (ID6516), with guidance provisionally expected on 27 January 2027; our UK availability page tracks where that stands. Any legitimate supply comes through a regulated UK pharmacy after an assessment by a qualified prescriber — and any website offering the medicine without one is operating outside the law.
Frequently asked questions
Do you have to take Foundayo on an empty stomach?
No. Foundayo is one tablet a day, swallowed whole, at any time of day, with or without food. There is no limit on how much water you have with it and no waiting period before you eat. That is the practical difference from the Wegovy pill (oral semaglutide), which is taken first thing after an overnight fast of at least eight hours, with no more than about 120 ml of plain water, and a wait of at least 30 minutes before eating or drinking anything else.
What time of day should I take Foundayo?
Whichever time you will actually remember. The instruction is once daily at any time of day, so no particular slot is required. Pick one you can repeat every day, and check the leaflet in your pack.
What should I do if I miss a dose of Foundayo?
Take it when you remember that day, and never take two doses in one day. Beyond that, we will not invent a rule the label does not give: if a whole day has passed, or you have missed several doses in a row, read the patient information leaflet in your pack and ask your pharmacist or prescriber what to do next.
Can I cut, crush or chew a Foundayo tablet?
No. The tablet is swallowed whole and should not be broken, crushed or chewed. If you find tablets hard to swallow, say so during your consultation rather than altering the tablet yourself.
How long does it take to reach the highest Foundayo dose?
At least six months, if a prescriber takes you all the way up. Each step is held for at least 30 days: 0.8 mg, then 2.5 mg, then 5.5 mg, then optionally 9, 14.5 and 17.2 mg. The earliest you can be on 17.2 mg is month six, and many people stay lower — 5.5 mg is the first dose you may simply stay on.
How should I store Foundayo?
Keep the tablets in their original blister, because they are sensitive to light. No fridge is needed. Follow the storage wording on your own pack and leaflet, and keep medicines out of the reach of children.
Does Foundayo affect the contraceptive pill?
It can. Oral contraceptives may be less reliable for 30 days after you start Foundayo and for 30 days after each dose increase, so the UK product information advises using a barrier method as well or switching to a non-oral method. Raise this at your consultation if it applies to you.
More answers are on our FAQ page.