A gloved hand holding an empty orange prescription vial against a pale marble background

How Do I Switch From Compounded Semaglutide or Tirzepatide to Wegovy or Zepbound?

On November 6, 2026November 5, 2026 By Dr. Scott RennieIn Weight Loss & Metabolic HealthLeave a comment

The short answer: you switch by getting a new prescription for Wegovy, Zepbound, or one of the new pills, and your prescriber picks the starting dose. A compounded dose does not convert cleanly to a brand dose, so the number on your old vial is a clue rather than an instruction.

If you have been off for more than a couple of weeks, or nobody can tell you exactly what was in your vial, the safest default is to restart near the bottom of the label schedule and climb. That costs you some weeks. Guessing high can cost you days of vomiting.

Why your compounded supply is drying up

Pharmacies were allowed to copy semaglutide and tirzepatide while the brand products were in shortage. The shortages ended. FDA declared the tirzepatide shortage resolved on October 2, 2024, confirmed that on December 19, 2024, and declared the semaglutide shortage resolved on February 21, 2025. The enforcement grace periods for state-licensed pharmacies and outsourcing facilities then closed in steps through the spring of 2025 (1).

2026 has added pressure from the other direction. FDA’s April 1, 2026 update says plainly that tirzepatide and semaglutide are on neither the 503B bulks list nor the drug shortage list (1). On April 30 the agency proposed excluding semaglutide, tirzepatide, and liraglutide from that bulks list permanently, with a comment period that closed July 30 after an extension (2). And on March 3 it sent warning letters to 30 telehealth companies over marketing that implied their compounded products were the same as approved ones (3). As of early November 2026 there was no final decision on the bulks proposal, so treat that piece as pending.

A narrow lane survives. FDA will not treat a compounded product as essentially a copy when a prescriber determines and documents a change that makes a significant difference for an identified patient (1). It also says a semaglutide plus B12 product can still be judged a copy when both strengths fall within 10 percent of the commercial products (1). If your supplier is shipping less, relabeling, or closing its compounded program, this is the reason. It is a regulatory story and says nothing about you.

I covered the safety checklist and the history in Compounded Semaglutide and Tirzepatide: What to Know Now. This post is the practical follow-up for someone who has to make the move.

Why can’t I just convert my compounded dose?

Because the label on a compounded vial and the label on a pen are written in different languages, and sometimes describe different molecules.

Start with units. Compounded product usually arrives in a multi-dose vial that you draw up with a syringe. A poison control case series in the Journal of the American Pharmacists Association described three patients with adverse events after compounded semaglutide, two of them 10-fold dosing errors, and one who was dosing in milliliters and units instead of milligrams. One needed an antiemetic and intravenous fluids (4). A pen clicks to a fixed dose. A syringe asks you to do arithmetic.

Then the ingredient. FDA states that semaglutide sodium and semaglutide acetate are different active ingredients from the one in the approved drugs, and says it knows of no lawful basis for using those salts in compounding. It has also logged reports of patients getting more product per dose, dosing more often, or titrating faster than the label allows (5). As of May 31, 2026, the agency counted 990 adverse event reports tied to compounded semaglutide and more than 730 tied to compounded tirzepatide, and it says underreporting is likely (5).

So a compounded vial labeled “2.5 mg weekly” and a Zepbound 2.5 mg pen share a number. They do not share a guarantee.

Restart low, or match the dose?

No label tells you how to switch from a compounded product, because none of them contemplate it. What the labels do tell us is how to restart after a gap, and that is the closest evidence we have.

The Wegovy label says that if two or more consecutive weekly doses are missed, reinitiate dose escalation at a lower dosage to reduce the risk of gastrointestinal adverse reactions (6). The Zepbound label addresses only a single late dose (7), but Lilly’s medical information page describes what the SURMOUNT trials did: after one or two missed doses, treatment restarted at the same dose if it had been well tolerated, and after three or more, it restarted at 5 mg regardless of the prior dose (8). The Foundayo label sets its trigger at seven or more consecutive missed daily doses, again with reinitiation at a lower dosage (9).

Read together, gap length is the first variable. A short gap on a known, well-tolerated dose makes matching defensible. A longer gap pushes you down the schedule. The second variable is certainty. If the pharmacy is unknown, the concentration is unclear, or the patient cannot say how many units they drew, leaning low is the safer choice. My view is that the two errors are not symmetrical. Starting too low delays the result by a few weeks. Starting too high can mean days of vomiting and, rarely, a trip for fluids.

For scale, here is what low looks like. Wegovy starts at 0.25 mg and reaches 1 mg at week 9, with each step lasting four weeks. Zepbound starts at 2.5 mg and reaches 5 mg at week 5 (6,7). The Wegovy label also allows delaying escalation by four weeks if a dose is not tolerated (6).

There is no single number I use. If someone has been getting their medication through a reliable compounding pharmacy, that helps, because there is likely to have been no gap in dosing. If the pharmacy is unknown, or there is some question about how they have felt on the compounded drug, I adjust. Where I start depends on how the patient is doing, which pharmacy and which medication they were using, and whether they have been sick to their stomach or have seen no change in their hunger at all. If they were having side effects on the compounded product, such as nausea bad enough to need a lot of ondansetron, or severe diarrhea or constipation, but they want to try a brand-name medication to see whether that improves, I start them on a lower dose than they were taking. If they have been on a particular compounded dose for a long time and are not losing any weight, I might start higher than the label’s starting dose. It really depends.

What I would gather before the video visit

On a video visit I cannot pick up the vial, so the vial has to come to me as photographs. The useful list is short: the pharmacy label showing drug, concentration, and lot; the syringe type; how many units the patient draws; the date and size of the last injection; the highest dose reached; and every side effect along the way. Patients who bring that make the dose decision easy. Patients who bring “it was the blue one” make it a judgment call.

What I ask for is a photo of the current prescription. It has to show the name of the medication, the dose, the date it was prescribed, and the prescribing doctor. It also has to show any additives, because compounded versions sometimes include them, and I want to see exactly what has been in that vial.

What restarting will feel like

Expect the early weeks of a new start, even if you were on a high dose before. The labels build their escalation schedules specifically to reduce GI side effects (6,7), and tolerance you built on a product of uncertain strength is not a reliable credit. Nausea, early fullness, and constipation are the usual complaints. If a step is rough, hold there rather than push, which the Wegovy label explicitly permits (6).

Some patients feel like they are going backward when the dose drops. They are not. The goal is to land on a dose you can verify, then climb to the effect you want. Persistent vomiting, or an inability to keep fluids down, is a reason to call. My side effects post has the incidence numbers.

What will the brand version cost?

Less than many people expect, though prices move. As I write this, NovoCare lists the Wegovy pen at $199 a month for new patients on the first two fills of the 0.25 mg and 0.5 mg doses, then $349 a month for 0.25 through 2.4 mg, and the Wegovy pill from $149 a month, rising to $299 at the 9 mg and 25 mg strengths. Lilly lists Zepbound self-pay starting at $299 a month for the KwikPen or four vials, and the $449 price on higher doses, pen or vial, requires a refill within 45 days, otherwise it goes to $499 at 7.5 mg and $699 from 10 mg up (11). Novo’s offer runs through December 31, 2026 and it says pricing will be updated after that (10). Lilly’s page lists no end date.

Both routes need a prescription. Novo’s prices apply when it is filled through NovoCare Pharmacy or with its savings offer (10). If you have insurance, check coverage and prior authorization first, since a covered fill beats any cash price. My cash pay prices post tracks the full ladder, including Medicare and the other federal programs.

Pills as a way out

Needles and syringes are part of why some people used compounded vials in the first place, and now there are two oral choices. Wegovy tablets start at 1.5 mg daily for 30 days, then 4 mg, then 9 mg, then 25 mg (6). Foundayo starts at 0.8 mg, steps to 2.5 mg after at least 30 days, then 5.5 mg, with room to 9, 14.5, or 17.2 mg (9). The Wegovy label does include a rule for moving from the 2.4 mg injection to the 25 mg tablet. Nothing in either label covers moving from a compounded injection, so the same logic applies: start at the bottom unless there is a good reason not to (6,9). I compared the two pills in Foundayo vs. the Wegovy Pill.

For most people it comes down to two things, preference and coverage. If insurance will help pay for Foundayo or the Wegovy pill, that is probably the most important deciding factor. If the patient is paying cash, that changes the math. And if someone doesn’t like injections, a pill usually makes more sense, as long as it is affordable and it keeps them on the medication.

Gray-market sellers and “research use” vials

When a compounded supplier folds, the next search result is often worse. FDA has warned companies that sold semaglutide, tirzepatide, and related peptides falsely labeled “for research purposes” or “not for human consumption” while supplying dosing instructions to consumers. It also says it is aware of counterfeit Ozempic, and advises buying only from state-licensed pharmacies (5). A price far below the brand cash prices above is the tell. Use FDA’s BeSafeRx tools if you are unsure about a site.

The same caution covers telehealth ads. FDA’s position is that compounded drugs are not FDA-approved (3), so a site promising “the same as Wegovy” is making a claim the agency has already penalized.

If you are the patient

Do not stretch your last vial to bridge the gap, and do not mix products. Photograph the label now, write down your last dose date, and book the switching visit before you run out. Ask your prescriber which brand product fits your coverage and budget, and expect a lower starting dose than you were on.

If you are the clinician

Document the compounded product, the pharmacy, the last dose date, and your reasoning for the starting dose, since no label supports a direct conversion. Counsel on the GI risk of reinitiation (6,7). Remember that state-licensed pharmacies that are not outsourcing facilities are not required to report adverse events to FDA, so your MedWatch report may be the only one (5).

The Bottom Line

Moving from compounded semaglutide or tirzepatide to Wegovy, Zepbound, or an oral option means a new prescription and a starting dose chosen for you, because compounded doses do not convert cleanly to brand doses.

Gap length and certainty drive the choice. A short gap on a verified, well-tolerated dose can be matched. A longer gap or an uncertain vial points toward the label starting dose and a four-week-step climb. Costs for the brand products are lower than they were, and the pills give needle-averse patients a path. Avoid gray-market sellers entirely.

Sources

U.S. Food and Drug Administration. FDA clarifies policies for compounders as national GLP-1 supply begins to stabilize (current as of April 1, 2026). https://www.fda.gov/drugs/drug-alerts-and-statements/fda-clarifies-policies-compounders-national-glp-1-supply-begins-stabilize
U.S. Food and Drug Administration. FDA proposes to exclude semaglutide, tirzepatide, and liraglutide on 503B bulks list. April 30, 2026. https://www.fda.gov/news-events/press-announcements/fda-proposes-exclude-semaglutide-tirzepatide-and-liraglutide-503b-bulks-list
U.S. Food and Drug Administration. FDA warns 30 telehealth companies against illegal marketing of compounded GLP-1s. March 3, 2026. https://www.fda.gov/news-events/press-announcements/fda-warns-30-telehealth-companies-against-illegal-marketing-compounded-glp-1s
Lambson JE, Flegal SC, Johnson AR. Administration errors of compounded semaglutide reported to a poison control center: case series. J Am Pharm Assoc (2003). 2023;63(5):1643-1645. PMID 37392810. https://pubmed.ncbi.nlm.nih.gov/37392810/
U.S. Food and Drug Administration. FDA’s concerns with unapproved GLP-1 drugs used for weight loss (current as of October 1, 2026). https://www.fda.gov/drugs/drug-alerts-and-statements/fdas-concerns-unapproved-glp-1-drugs-used-weight-loss
Wegovy (semaglutide) injection and tablets, prescribing information (revised June 2026). DailyMed. https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=ee06186f-2aa3-4990-a760-757579d8f77b
Zepbound (tirzepatide) injection, prescribing information. DailyMed. https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=487cd7e7-434c-4925-99fa-aa80b1cc776b
Eli Lilly Medical Information. What should a patient do if they miss a dose of Zepbound (tirzepatide)? https://medical.lilly.com/us/products/answers/what-should-a-patient-do-if-they-miss-a-dose-of-zepbound-tirzepatide-209169
Foundayo (orforglipron) tablets, prescribing information. DailyMed. https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=8ac446c5-feba-474f-a103-23facb9b5c62
Novo Nordisk. NovoCare: Wegovy savings and self-pay options. https://www.novocare.com/wegovy/savings-card.html
Eli Lilly and Company. Zepbound savings and insurance options. https://zepbound.lilly.com/savings

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What Happens If You Stop Taking a GLP-1?

On October 16, 2026 By Dr. Scott RennieIn Weight Loss & Metabolic HealthLeave a comment

Somebody asks me this almost every week, usually some version of the same sentence. “How long do I have to stay on this?”

It is a fair question and it deserves a straight answer rather than a lecture. So here is what the data says happens, what I do about it, and the handful of situations where I think stopping is the right call.

Why you want to stop matters more than the fact that you want to stop

The first thing I ask is why.

The answers cluster into three groups, and they lead to three completely different conversations. Some people have hit their goal and believe they can hold it from here on their own. Some are looking at the monthly cost and doing math. And some are uneasy about taking any medication for years on end, the same way people feel about a blood pressure pill or a statin.

None of those are unreasonable. But the plan for a patient who cannot afford the drug looks nothing like the plan for a patient who is worried about what it is doing to them over a decade, and lumping them together as “wants to stop” wastes the visit.

What the evidence actually shows

The honest version is that most of the weight comes back, and it comes back faster than people expect.

The best synthesis we have is a 2026 systematic review and meta-regression in eClinicalMedicine that pooled 48 studies (1). About 60 percent of the weight lost during treatment is regained within 52 weeks of stopping. The curve is steep early, slows, and flattens out around 60 weeks, with regain plateauing near 75 percent of what was lost. Read the other direction, roughly a quarter of the loss is still there.

The individual trials tell the same story. In the STEP 1 extension, participants had lost 17.3 percent of body weight on semaglutide. A year after the drug and the lifestyle support both stopped, they had regained 11.6 percentage points, leaving a net loss of 5.6 percent, and 48 percent were still at least 5 percent below where they started (2). In SURMOUNT-4, people who came off tirzepatide regained about 14 percent over the following year while those who stayed on lost another 6.7 percent, and 82 percent of the group that stopped gave back more than a quarter of their loss (3).

Here is the part that gets left out of the headlines, and the part I care about more than the scale. The metabolic improvements unwind first. Around 70 to 80 percent of the blood pressure improvement is gone within 12 weeks of stopping. About half of the HbA1c improvement is back by 8 to 12 weeks (1). The weight takes a year to come back. The blood pressure takes three months.

That ordering is the reason I do not treat stopping as a neutral event in someone with hypertension or diabetes.

It is physiology, not a character flaw

I want to be clear about what that regain represents, because patients are brutal with themselves about it.

These drugs work on appetite signaling. Take the drug away and the signaling returns to where it was, which means hunger returns to where it was. The body defends the higher weight. Regaining is the expected biological result of removing the treatment, not evidence that somebody got lazy in month four.

I say this out loud in visits because the shame around regain is what stops people from coming back and restarting when they need to.

Most people stop anyway

Worth knowing: stopping is the norm, not the exception.

In a cohort of 125,474 adults starting these medications, 46.5 percent of those with type 2 diabetes and 64.8 percent of those without had stopped within a year (4). An analysis of 60,000 insured patients presented at ENDO 2026 found about four in ten stopped in the first year, and nearly six in ten by two years (5).

But look at what happens next in that same data. Of the people who stopped, 41.5 percent restarted within a year and 58 percent within two (5). This is not a drug people take once and abandon. It is a drug people fall off and climb back onto, usually after the weight starts coming back.

One more number, and it is the one that changed how I think about this. An integrated health system that added structured pharmacist onboarding and real follow-up got its one-year discontinuation rate down to 3.9 percent (6). Compare that to the 46 to 65 percent above. Most of the stopping in this country is not a drug problem. It is an access, cost and support problem.

What I actually do: lower the dose rather than stop

When somebody has reached a healthy weight, my preference is not to stop the medication. It is to lower the dose to the amount that holds the weight steady instead of the amount that keeps driving it down.

I will say plainly that the evidence here is thin. There are no randomized trials of tapering or maintenance dosing after weight loss, only small observational reports (7). So this is clinical judgment rather than a protocol, and I tell patients that.

What I like about it is that it answers the three concerns at once. It costs less. It involves less drug for people who are uneasy about long-term exposure. And it keeps the appetite brake partly engaged, which is the thing that actually prevents the rebound.

When the reason is cost

This is the most common real reason, and it has the most workable solutions.

First, the cash-pay programs. Eli Lilly and Novo Nordisk both sell direct now, and the prices are meaningfully better than they used to be. For a lot of patients that alone closes the gap.

Second, insurance, which is more winnable than people assume. If a patient carries a weight-related condition, and most do, there is often a path to coverage. Diabetes, prediabetes, hypertension, high cholesterol, GERD, obstructive sleep apnea. Those are not footnotes. They are the clinical justification that gets a prior authorization approved. It is worth the paperwork.

Third, switch the drug rather than abandon the class. Semaglutide instead of tirzepatide. Liraglutide instead of either. Not identical, but real.

Fourth, Medicare, and this is the part most patients have not heard. Part D still cannot pay for a drug prescribed for weight loss alone, because that exclusion sits in the statute and the 2025 attempt to reinterpret it was never finalized. What changed is the Medicare GLP-1 Bridge, which went live July 1, 2026 and runs through the end of 2027. It puts Foundayo, Wegovy and the Zepbound KwikPen at $50 a month for eligible beneficiaries (8). The Zepbound vials and single-dose pens are not in it, which is catching people out. If a patient was told no before last summer, that answer is worth getting again.

And if none of that works, we move to what is affordable. Bupropion and naltrexone as generics. Metformin. These are not equivalent to a GLP-1 and I do not pretend otherwise. They are considerably better than nothing, which is the actual alternative on the table.

Protecting muscle

If weight is going to move in either direction, I want as much of it as possible to be fat.

I target protein intake around 1.5 grams per kilogram. I want resistance training at least twice a week, and 30 minutes of aerobic activity five days a week. That applies while losing, while maintaining, and especially after stopping.

The concern worth naming is that we do not know whether regained weight comes back in the same proportions it left. If fat returns faster than muscle, somebody can land at their old weight with worse body composition than they had before treatment. The data on that is genuinely unsettled, so I am not going to overstate it. The defense is the same either way: protein and resistance training.

When I bring up the long-term question, and why not sooner

This is where I part company with a lot of advice.

I do not open with “this is a lifelong medication.” Early on, we do not yet know whether the drug will even work for this person, and plenty of patients arrive with reservations already sitting in the back of their minds. Leading with a life sentence can talk somebody out of a treatment that might have changed their health, before anyone knows if it helps.

So I raise it as we approach maintenance, when there is something real to discuss: this is working, here is what holding onto it looks like.

When I support stopping

Not every stop is a mistake. I will back the decision in a patient who becomes pregnant, who cannot tolerate the side effects, who genuinely cannot afford it after we have worked the options, or who is not able to use it safely. That last one covers skipping the lab work, taking it in ways it was not prescribed, or developing disordered eating patterns such as bingeing and purging or restricting toward anorexia. It also covers losing more weight than is healthy and not sticking to the maintenance plan.

In those situations stopping is the correct medical decision, not a failure of resolve.

Restarting

People restart. It is common, and I treat it as a normal part of the course rather than a setback.

If somebody has been off for more than about a month, we go back to introductory dosing and step up again. Restarting at the dose you left off at is how people end up with a week of nausea they did not need to have.

For clinicians

Three things worth carrying into your own visits.

Ask the why before you negotiate the how, because cost, goal attainment and long-term safety worry need different responses.

Counsel on the cardiometabolic rebound, not only the weight. Your patient with hypertension will give back most of their blood pressure improvement inside three months, which is a faster and more clinically meaningful change than the scale (1).

And treat the discontinuation statistics as a system signal rather than a patient-adherence story. A 3.9 percent one-year discontinuation rate in a supported program, against 46 to 65 percent in the broader population, tells you where the problem actually lives (4,6).

The Bottom Line

Stopping a GLP-1 means most of the weight comes back, typically around 60 percent of it within a year, with the blood pressure and blood sugar improvements unwinding much faster than that.

That is physiology rather than failure. If you have reached a healthy weight, lowering the dose is usually a better move than stopping outright. If cost is the problem, there is more room to work than most people realize, between cash-pay pricing, prior authorization based on the conditions you already have, switching agents, and the Medicare GLP-1 Bridge if you are on Medicare. And if you do stop, protect your muscle, and come back without embarrassment if the weight starts climbing. Restarting is common and it works.

Sources

Budini B, Luo S, et al. Trajectory of weight regain after cessation of GLP-1 receptor agonists: a systematic review and nonlinear meta-regression. eClinicalMedicine. 2026. https://pmc.ncbi.nlm.nih.gov/articles/PMC13043475/
Wilding JPH, Batterham RL, Davies M, et al. Weight regain and cardiometabolic effects after withdrawal of semaglutide: The STEP 1 trial extension. Diabetes Obes Metab. 2022;24(8):1553-1564. https://pmc.ncbi.nlm.nih.gov/articles/PMC9542252/
Cardiometabolic Parameter Change by Weight Regain on Tirzepatide Withdrawal in Adults With Obesity: A Post Hoc Analysis of the SURMOUNT-4 Trial. JAMA Internal Medicine. https://jamanetwork.com/journals/jamainternalmedicine/fullarticle/2841273
Discontinuation and Reinitiation of Dual-Labeled GLP-1 Receptor Agonists Among US Adults With Overweight or Obesity. JAMA Network Open. https://jamanetwork.com/journals/jamanetworkopen/fullarticle/2829779
Endocrine Society. More than half of those who stop GLP-1s restart within a year. ENDO 2026, presented June 14, 2026. https://www.endocrine.org/news-and-advocacy/news-room/2026/sontha-press-release-endo-2026
Health System Pharmacies Keep Patients on GLP-1 Therapy. American Journal of Managed Care. https://www.ajmc.com/view/health-system-pharmacies-keep-patients-on-glp-1-therapy
Scripps. Patients Maintained Weight Loss After Reducing GLP-1 Treatment Frequency. https://www.scripps.org/news_items/8102-scripps-patients-maintained-weight-loss-after-reducing-glp-1-treatment-frequency
Medicare GLP-1 Bridge: Information for Providers. Centers for Medicare & Medicaid Services. https://www.cms.gov/medicare/coverage/prescription-drug-coverage/medicare-glp-1-bridge/information-providers

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Does Mounjaro Lower Your Risk of Heart Attack and Stroke?

On September 18, 2026September 18, 2026 By Dr. Scott RennieIn Weight Loss & Metabolic HealthLeave a comment

On August 28, 2026, the FDA approved a new use for Mounjaro (tirzepatide): lowering the risk of cardiovascular death, nonfatal heart attack, and nonfatal stroke in adults with type 2 diabetes who are at high risk for those events (1). That is a real change written into the drug’s FDA-approved label. The short version is this: tirzepatide matched, but did not beat, a diabetes drug that already had proven heart benefits of its own. Whether that counts as exciting news depends on what you were expecting going in.

What the Label Now Says

Mounjaro’s original approval covered blood sugar control in adults, later extended to children age 10 and up with type 2 diabetes in December 2025 (3). The new cardiovascular indication sits on top of that one. It reads, in the FDA’s language, as lowering the risk of major adverse cardiovascular events, meaning cardiovascular death, nonfatal heart attack, or nonfatal stroke, in adults with type 2 diabetes who are already at high risk for those events (1, 2). That population matters: this approval is specific to people with type 2 diabetes who already carry meaningful cardiovascular risk, largely established atherosclerotic disease.

An outcomes indication like this one is a different category of claim than glycemic control. It says the drug changed what happens to a person’s heart and vessels over years, something a lab value at three months cannot tell you on its own. That distinction is the entire reason a cardiovascular outcomes trial exists.

The Trial Behind It

The approval rests on SURPASS-CVOT, a randomized, double-blind trial that enrolled more than 13,000 adults with type 2 diabetes and established atherosclerotic cardiovascular disease across 640 sites in 30 countries (4). Participants were assigned to tirzepatide, titrated up to 15 mg weekly or their highest tolerated dose, or dulaglutide (Trulicity) 1.5 mg weekly, followed for a median of roughly four years. Dulaglutide was not a placebo. A drug with its own proven cardiovascular track record from the REWIND trial, chosen deliberately as a harder comparator than sugar water.

The primary outcome, a composite of cardiovascular death, heart attack, or stroke known as three-point MACE, occurred in 12.2 percent of the tirzepatide group and 13.1 percent of the dulaglutide group. That is a hazard ratio of 0.92, with a 95.3 percent confidence interval of 0.83 to 1.01 (4). Tirzepatide met the prespecified bar for noninferiority (p=0.003). It did not meet the bar for superiority (p=0.09). Read plainly: tirzepatide did not fall behind a drug already known to protect the heart, and it numerically edged ahead, but the trial cannot say with statistical confidence that it beat dulaglutide on this endpoint.

Two other numbers are worth knowing even though they sit outside the approved claim. All-cause mortality was 16 percent lower with tirzepatide than with dulaglutide, hazard ratio 0.84, 95 percent confidence interval 0.75 to 0.94, per Lilly’s topline results release (5). And the weight difference was large: about 11.6 percent body weight reduction with tirzepatide against 4.5 percent with dulaglutide (4), which tracks with everything already known about how the two drugs differ on that front. Neither of those numbers was the tested primary endpoint, so treat them as suggestive rather than proven.

I do not read this trial as evidence that tirzepatide is the better heart drug. I read it as evidence that choosing tirzepatide over an active cardioprotective comparator costs you nothing on the cardiovascular side, while it still outperforms on weight and blood sugar. That is a useful thing to know, and it is a smaller claim than the headlines will make it sound.

Where This Leaves Ozempic, Wegovy, and Zepbound

Semaglutide already has cardiovascular outcomes data of its own, built from different comparators and different populations, which matters when you start comparing hazard ratios across trials. SUSTAIN-6 tested injectable Ozempic against placebo in type 2 diabetes at high cardiovascular risk and found a hazard ratio of 0.74 (6). Ozempic tablets, oral semaglutide, picked up their own cardiovascular indication in October 2025 based on the SOUL trial, hazard ratio 0.86, in a population with type 2 diabetes and atherosclerotic disease, chronic kidney disease, or both, broader than “established cardiovascular disease” alone (7). Wegovy’s SELECT trial went further still: adults with overweight or obesity and established cardiovascular disease, no diabetes required at all, hazard ratio 0.80 against placebo (8).

Four trials went into these numbers, each built around its own comparator and its own patient population. Lining the hazard ratios up side by side and picking a winner overstates what any single number can tell you. SURPASS-CVOT is the only one of the four tested against an active drug with its own proven benefit, a harder bar to clear even when the resulting number looks smaller.

Zepbound carries no such indication yet. Zepbound and Mounjaro are the same molecule, tirzepatide, at the same doses. The difference is entirely regulatory. Mounjaro is approved for type 2 diabetes, and its new cardiovascular claim comes from a trial that specifically enrolled people with diabetes. Zepbound is approved for obesity and, separately, moderate to severe obstructive sleep apnea. Its own cardiovascular outcomes trial, SURMOUNT-MMO, is still enrolling, expected to include roughly 15,000 adults with obesity who do not have diabetes, and has not reported results (9). Tirzepatide’s heart benefit currently exists on the books only under the Mounjaro name, for a population that has diabetes.

For Patients

If you have type 2 diabetes and known heart disease and you are already doing well on dulaglutide, this trial should reassure you. Superiority was not shown, so nothing in the data requires a change if your current regimen is working. If your blood sugar or weight has been harder to manage, this approval gives your clinician a documented, FDA-recognized reason to discuss tirzepatide.

Coverage is worth asking about directly. An outcomes-based indication sometimes changes how an insurer’s prior authorization process treats a drug, because it can be framed as reducing a documented risk of death rather than only managing a lab value. That is not guaranteed, and formularies vary by plan. Ask specifically whether this new indication affects your prior authorization, rather than assuming it automatically will.

Patients on my video visits do ask about switching from semaglutide to tirzepatide after news like this. I tell them to stay on semaglutide if it’s working. Superiority was not shown here, so a regimen that is already working has no data forcing a change.

The Practical Question for Prescribers

For a patient with type 2 diabetes and established cardiovascular disease, tirzepatide’s larger effect on weight and A1c, paired with a trial showing it keeps pace on cardiovascular safety against an already-protective drug, makes a reasonable case for choosing it first. That is my opinion, and it deserves the caveat the superiority test earned: the point estimate favored tirzepatide, but the confidence interval did not exclude the possibility of no difference at all.

The active-comparator design is also worth sitting with. Because there was no placebo arm, SURPASS-CVOT cannot independently quantify tirzepatide’s benefit against doing nothing. It borrows dulaglutide’s REWIND-established benefit and shows tirzepatide keeps that benefit intact. Proving a brand new benefit from scratch would have required a placebo arm, and this trial did not have one.

When type 2 diabetes is the indication, I prescribe Mounjaro.

The Bottom Line

Tirzepatide gives up nothing on heart safety when measured against a drug that already protects the heart, and it does more for weight and A1c along the way. That is the real result of SURPASS-CVOT, even though the trial stopped short of proving superiority: the noninferiority bar was met (p=0.003), the superiority bar was not (p=0.09). If you have type 2 diabetes and heart disease, ask your prescriber whether tirzepatide fits your regimen better than what you are on now, and ask whether this new indication changes what your insurer will approve. The August 28, 2026 approval gives that conversation a documented reason to happen (1).

Sources

1. FDA approves Lilly’s Mounjaro (tirzepatide) to reduce cardiovascular risk in adults with type 2 diabetes. Eli Lilly and Company, August 28, 2026. https://investor.lilly.com/news-releases/news-release-details/fda-approves-lillys-mounjaro-tirzepatide-reduce-cardiovascular

2. FDA Expands Tirzepatide Label to Reduce Cardiovascular Risk in Type 2 Diabetes. AJMC. https://www.ajmc.com/view/fda-expands-tirzepatide-label-to-reduce-cardiovascular-risk-in-t2d

3. FDA approval letter, supplement 215866/S-039 (pediatric type 2 diabetes indication, age 10 and older). U.S. Food and Drug Administration, December 19, 2025. https://www.accessdata.fda.gov/drugsatfda_docs/appletter/2025/215866Orig1s039ltr.pdf

4. Cardiovascular Outcomes with Tirzepatide versus Dulaglutide in Type 2 Diabetes (SURPASS-CVOT). New England Journal of Medicine, December 2025. PMID 41406444. https://pubmed.ncbi.nlm.nih.gov/41406444/

5. Lilly’s Mounjaro (tirzepatide), a GIP/GLP-1 dual agonist, demonstrated cardiovascular protection in landmark head-to-head trial. Eli Lilly and Company, July 31, 2025. https://investor.lilly.com/news-releases/news-release-details/lillys-mounjaro-tirzepatide-gipglp-1-dual-agonist-demonstrated

6. Marso SP, Bain SC, Consoli A, et al. Semaglutide and Cardiovascular Outcomes in Patients with Type 2 Diabetes (SUSTAIN-6). N Engl J Med. 2016;375:1834-1844. https://www.nejm.org/doi/full/10.1056/NEJMoa1607141

7. McGuire DK, Marx N, Mulvagh SL, et al. Oral Semaglutide and Cardiovascular Outcomes in High-Risk Type 2 Diabetes (SOUL). N Engl J Med. 2025. https://www.nejm.org/doi/full/10.1056/NEJMoa2501006

8. Lincoff AM, Brown-Frandsen K, Colhoun HM, et al. Semaglutide and Cardiovascular Outcomes in Obesity without Diabetes (SELECT). N Engl J Med. 2023;389:2221-2232. PMID 37952131. https://pubmed.ncbi.nlm.nih.gov/37952131/

9. Tirzepatide for Reduction of Morbidity and Mortality in Adults with Obesity (SURMOUNT-MMO). ClinicalTrials.gov, NCT05556512. https://clinicaltrials.gov/study/NCT05556512

A leather wallet, house keys, reading glasses and a mug of coffee on a sunlit kitchen counter

Wegovy and Zepbound Cash Pay Prices Without Insurance (2026 Update)

On September 14, 2025September 20, 2026 By Dr. Scott RennieIn Weight Loss & Metabolic HealthLeave a comment

Updated September 2026: Self-pay prices for Wegovy and Zepbound have both come down since this post first ran, a new oral option (Foundayo) now has its own cash price through Lilly, and a federal deal put a government storefront, TrumpRx.gov, and a temporary Medicare benefit into the middle of the picture.

Patients and colleagues ask me often about the cost of GLP-1 medications when insurance does not cover them. Wegovy, Zepbound, and now Foundayo are all FDA approved for chronic weight management, and I prescribe all three by video visit. The barrier that brings people to this post hasn’t changed: their plan excludes the drug category outright, no prior authorization appeal is going to fix that, and the retail cash price at a corner pharmacy is still well over a thousand dollars a month (10).

What Actually Changed

A year ago the only option was NovoCare’s flat $499 rate for Wegovy and Lilly’s roughly $500 rate for Zepbound. In 2025 I had a patient who had already tried to fill Wegovy at a local pharmacy. The pharmacist quoted her a cash price over $1,300. She couldn’t afford that. Under NovoCare’s program as it existed then, she could have her prescription sent to NovoCare Pharmacy for $499 a month instead. That flat rate is gone now. Both companies have rebuilt their self-pay pricing since then, and a November 2025 deal between the White House and both manufacturers pushed cash prices down further and set the stage for a new Medicare benefit (8). What you get in September 2026 is a tiered price ladder instead of one flat number, and most doses cost less than they did a year ago.

Wegovy: Injection and Pill, Two Different Price Ladders

NovoCare Pharmacy remains Novo Nordisk’s direct-to-consumer channel for patients paying cash. If your plan covers Wegovy, a separate commercial savings card is the better deal and can bring a copay down near zero; that’s a different program from what’s below. As of this September, the injectable pen runs $349 a month for the standard dose range and $399 a month for the newer HD 7.2 mg strength, with a $199 introductory rate for a patient’s first two monthly fills that Novo has said will hold through the end of 2026 (1). The oral tablet, approved in December 2025 and launched in January 2026 as the first pill-form GLP-1 for obesity, is priced in three tiers: $149 for the starter dose, $199 for the next step up, and $299 once a patient reaches a maintenance strength (1). Both require the prescription to be filled through NovoCare specifically. A local pharmacy handed the same script will still quote the full list price, somewhere north of $1,300 (10).

Zepbound: LillyDirect’s Vial and Pen Pricing

Lilly runs a comparable program under LillyDirect, and the vial and the single-patient-use KwikPen are priced identically by dose: $299 for the 2.5 mg starting dose, $399 at 5 mg, and $449 across the 7.5 to 15 mg range (4). That top tier has a catch: the $449 rate only holds if the patient refills within 45 days of the last delivery. Miss the window and the price reverts to $499 for 7.5 mg or $699 for the higher strengths (4, 5). It is an easy detail to overlook when a patient is titrating slowly or pauses therapy for a few weeks.

Foundayo: The Oral Option From Lilly

Foundayo (orforglipron) is Lilly’s oral small-molecule GLP-1, approved this spring and priced through the same LillyDirect infrastructure: $149 at the 0.8 mg starting dose, $199 at 2.5 mg, and $299 across the maintenance range from 5.5 mg up through 17.2 mg (6). Lilly’s own pricing page wasn’t accessible when this update was written, so these numbers come from a pharmaceutical trade publication that reported them the week Foundayo launched. Check the live page before quoting a patient a number.

Medicare, Medicaid, and the Federal Programs

Government coverage intersects this topic in two separate ways, and they are easy to conflate.

The first is eligibility for the manufacturer self-pay programs themselves, and the two companies handle it differently. NovoCare’s own program terms allow a patient enrolled in Medicare, Medicaid, TRICARE, or another government plan to use the Wegovy or Wegovy-pill self-pay price, as long as they pay the full cash price, do not bill their government coverage for it, and do not count it toward a deductible or Part D out-of-pocket total (2). LillyDirect’s Zepbound Self Pay Journey Program works the other way: its terms require that a patient not be enrolled in any state or federal government healthcare program at all, including Medicare, Medicaid, TRICARE, and VA, to use the self-pay price (4). I could not find published eligibility terms for Foundayo’s self-pay program, so I’m not assuming it follows Zepbound’s rule.

The second is an actual Medicare drug benefit, the Medicare GLP-1 Bridge, a temporary demonstration built from the same November 2025 deal. It started July 1, 2026 and runs through December 31, 2027. It covers Foundayo, all formulations of Wegovy, and the Zepbound KwikPen, though not the Zepbound vial, for a $50 monthly copay under Medicare Part D. A beneficiary has to meet BMI and health-condition criteria, such as type 2 diabetes or cardiovascular disease, and the prescriber has to get it prior-authorized (11). This runs through a regular pharmacy claim, not a manufacturer cash-pay program, and has been active a little over two months.

TrumpRx.gov, the federal storefront that launched in February, lists the Wegovy pill at $149 a month and the Wegovy pen at $199, alongside Ozempic at $199 (7). The pen price matches NovoCare’s own first-two-fills introductory rate rather than the ongoing $349 rate, and the site appears to route orders through the same manufacturer pharmacies rather than operating as an independent seller.

Current Self-Pay Prices at a Glance

Product	Dose / Tier	Self-Pay Price	Notes
Wegovy pen (NovoCare)	0.25 to 2.4 mg	$349/mo	$199/mo for first two fills through Dec 31, 2026
Wegovy pen HD (NovoCare)	7.2 mg	$399/mo
Wegovy pill (NovoCare)	Starter dose	$149/mo
Wegovy pill (NovoCare)	Step-up dose	$199/mo
Wegovy pill (NovoCare)	Maintenance dose	$299/mo
Zepbound vial or KwikPen (LillyDirect)	2.5 mg	$299/mo
Zepbound vial or KwikPen (LillyDirect)	5 mg	$399/mo
Zepbound vial or KwikPen (LillyDirect)	7.5 to 15 mg	$449/mo	Requires refill within 45 days, otherwise $499 to $699/mo
Foundayo (LillyDirect)	0.8 mg starter	$149/mo	Not independently confirmed on Lilly’s site; see notes
Foundayo (LillyDirect)	2.5 mg	$199/mo	Same caveat
Foundayo (LillyDirect)	5.5 to 17.2 mg maintenance	$299/mo	Same caveat
Medicare GLP-1 Bridge (Part D)	Foundayo, Wegovy, Zepbound KwikPen only	$50/mo copay	Started July 1, 2026; requires prior authorization and BMI/condition criteria
TrumpRx.gov	Wegovy pill	$149/mo	Mirrors NovoCare price
TrumpRx.gov	Wegovy pen	$199/mo	Introductory rate only
Retail list price, no program	Wegovy	~$1,349 to $1,650/mo	GoodRx average
Retail list price, no program	Zepbound	~$1,060 to $1,271/mo	GoodRx average

The Compounding Chapter Is Closed

Patients still ask about compounded semaglutide and tirzepatide. The versions that filled the gap during the 2023 to 2024 shortage are no longer a legitimate mass option. FDA declared the tirzepatide shortage resolved in December 2024 and the semaglutide shortage resolved in February 2025, and the grace periods for 503A and 503B compounders to wind down ended by mid-2025 (9). This April, FDA moved to formally strike both drugs from the bulk compounding list, closing the loophole some pharmacies had used to keep producing modified formulations. A narrow carve-out remains for pharmacies filling four or fewer prescriptions of a drug per month, but that isn’t the shortage-era product (9). If a telehealth company is still advertising a cheap compounded semaglutide or tirzepatide product, ask hard questions before filling it.

For Patients

Eligibility for the self-pay price is not the same across both companies, and it is worth reading the actual terms rather than assuming. NovoCare allows patients with Medicare, Medicaid, TRICARE, or VA coverage to use the Wegovy self-pay price if they pay cash and don’t bill their government plan for it. LillyDirect’s Zepbound self-pay program excludes anyone enrolled in a government health plan regardless of how they intend to pay. If you have Medicare Part D and meet the clinical criteria, ask your prescriber about the GLP-1 Bridge instead; it covers Foundayo, Wegovy, and the Zepbound KwikPen for a $50 copay. Whichever route applies to you, the prescription has to be routed to the correct pharmacy to get that price. Handing the same script to your neighborhood pharmacist and expecting the discounted rate will not work.

For Clinicians

Both LillyDirect and NovoCare are really good in my experience. The paperwork is less than most insurance companies require, and both platforms are quick to get medications out to patients. I like them equally. Two details are worth flagging with patients: the refill-window trap on Zepbound’s top-tier pricing, and the fact that TrumpRx’s price for the Wegovy pen is a promotional rate rather than the standing one. Setting expectations for month three matters as much as month one. Eligibility terms differ by manufacturer too, so confirm which program a given patient’s coverage actually qualifies for before writing the prescription.

The Bottom Line

Wegovy and Zepbound both cost less than they did a year ago, and two oral options now sit at the bottom of the price range. A $199 to $349 monthly price for Wegovy, or $299 to $449 for Zepbound, is a different number than $1,300 a month, even though it is still a real expense for most households. Whether a government-insured patient can use self-pay pricing depends on the manufacturer: NovoCare permits it, LillyDirect does not, and qualifying Medicare Part D enrollees have a separate $50 option through the GLP-1 Bridge. None of it works if the prescription goes to the wrong pharmacy. Confirm the current terms before committing to a plan; this class of drug has changed its pricing and its rules more than once a year for three years running.

Sources

Novo Nordisk, NovoCare Pharmacy self-pay pricing for Wegovy, novocare.com/patient/medicines/wegovy.html, accessed September 11, 2026.
Novo Nordisk, NovoCare Pharmacy Terms and Conditions of Use (self-pay eligibility for government-insured patients), novocare.com/eligibility/pharmacy.html, accessed September 11, 2026.
Novo Nordisk, “Novo Nordisk introduces NovoCare Pharmacy, lowering cost of all doses of FDA-approved Wegovy (semaglutide) to $499 per month,” prnewswire.com, August 5, 2025 (program launch, price since superseded, cited for history only).
Eli Lilly, Zepbound coverage, savings, and self-pay eligibility, zepbound.lilly.com/hcp/coverage-savings, accessed September 11, 2026.
Eli Lilly, “Lilly lowers the price of Zepbound (tirzepatide) single-dose vials,” investor.lilly.com, accessed via search September 11, 2026 (direct page fetch timed out; figures cross-checked against source 4).
PharmExec, “FDA Approves Foundayo Under National Priority Voucher Program,” pharmexec.com/view/fda-approves-foundayo-under-national-priority-voucher-program, April 1, 2026.
TrumpRx.gov, GLP-1 medication pricing listing, trumprx.gov, accessed September 11, 2026.
NBC News, “Trump administration weight loss drugs deal,” nbcnews.com/health/health-news/trump-weight-loss-drugs-wegovy-zepbound-lower-price-deal-rcna241929, November 4, 2025.
U.S. Food and Drug Administration, “FDA clarifies policies for compounders as national GLP-1 supply begins to stabilize,” fda.gov, updated April 1, 2026.
GoodRx, Wegovy and Zepbound price pages, goodrx.com/wegovy and goodrx.com/zepbound, accessed September 11, 2026.
KFF, “What to Know About the BALANCE Model for GLP-1s in Medicare and Medicaid and the Medicare GLP-1 Bridge,” kff.org, updated May 11, 2026.

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Can You Do Intermittent Fasting on Ozempic or Wegovy?

On December 8, 2024September 29, 2026 By Dr. Scott RennieIn Weight Loss & Metabolic HealthLeave a comment

Weight comes up in almost every visit I do. For some patients it is fifteen pounds standing between them and a better blood pressure number. For others it is obesity that has already done damage, and the conversation starts further back. The work can feel overwhelming from the inside. What’s changed is that the tools finally match the size of the problem. Medications like Ozempic, Wegovy, Mounjaro, and Zepbound, the GLP-1 receptor agonists, have shifted how this is approached, and paired with a structure like intermittent fasting they help people lose weight and keep it off.

What GLP-1 Agonists Do

These drugs mimic glucagon-like peptide-1, a hormone that regulates appetite and blood sugar. Given as medication, they slow gastric emptying and push stronger satiety signals to the brain, so fullness arrives earlier and stays longer. They also improve insulin sensitivity, which is why they earned their place in type 2 diabetes first.

The weight effect is substantial. Wegovy and Zepbound carry FDA approval specifically for weight loss. Ozempic and Mounjaro are approved for diabetes and produce strong weight results as well, which is the source of most of the confusion patients arrive with about which drug is which.

How They Work With Intermittent Fasting

Intermittent fasting improves insulin sensitivity, supports fat loss, and helps regulate hunger hormones. Staying with it is the hard part. Many patients tell me they can’t get past the hunger. GLP-1 medications change that equation by blunting appetite and cravings, which makes a fasting schedule something a person can actually hold.

A patient of mine started a 16:8 fasting plan (16 hours fasting, 8 hours eating) while on a GLP-1 medication. Before starting the medication, she felt shaky and irritable during fasting. After starting, she was surprised by how manageable it felt. She ate smaller meals, felt full, and didn’t struggle to maintain the fasting window.

Side Effects and Adjustments

Nausea leads the list, and it’s worst early. Diarrhea and reflux show up too. Most of it settles as the body adapts. Start low, titrate slowly, and resist the urge to chase the next dose because the scale stalled for two weeks. Patients who stay in contact through the titration get their dose adjusted before they quit over side effects, and the ones who go quiet are the ones who stop the drug entirely.

Barriers to Access

Getting these medications is its own project. Cost is the main wall. Insurance coverage for weight loss remains inconsistent in a way that’s hard to explain to a patient who has just been told the drug would help, and out-of-pocket pricing is punishing. Demand has outrun supply, so delays and shortages are part of the picture.

Then there are the compounded versions. Some pharmacies sell them well below brand pricing, and they’re not FDA-approved. Safety and potency can’t be guaranteed. I tell patients to stay away from them, and I don’t soften that advice when someone pushes back on price.

Putting It Into Context

These aren’t quick fixes. They are tools, and they work when they sit on top of durable changes: balanced eating, regular activity, attention to mental health. Intermittent fasting is one workable way to structure eating alongside them. The lifestyle piece doesn’t become optional because a medication is doing part of the lifting.

When patients pair the medication with habits they can sustain, results hold longer and vary less. The goal is a set of strategies that still works three years from now, not the fastest possible drop on the scale.

Why your compounded supply is drying up

Why can’t I just convert my compounded dose?

Restart low, or match the dose?

What I would gather before the video visit

What restarting will feel like

What will the brand version cost?

Pills as a way out

Gray-market sellers and “research use” vials

If you are the patient

If you are the clinician

The Bottom Line

Related Reading

Sources

Why you want to stop matters more than the fact that you want to stop

What the evidence actually shows

It is physiology, not a character flaw

Most people stop anyway

What I actually do: lower the dose rather than stop

When the reason is cost

Protecting muscle

When I bring up the long-term question, and why not sooner

When I support stopping

Restarting

For clinicians

The Bottom Line

Related Reading

Sources

What the Label Now Says

The Trial Behind It

Where This Leaves Ozempic, Wegovy, and Zepbound

For Patients

The Practical Question for Prescribers

The Bottom Line

Related Reading

Sources

What Actually Changed

Wegovy: Injection and Pill, Two Different Price Ladders

Zepbound: LillyDirect’s Vial and Pen Pricing

Foundayo: The Oral Option From Lilly

Medicare, Medicaid, and the Federal Programs

Current Self-Pay Prices at a Glance

The Compounding Chapter Is Closed

For Patients

For Clinicians

The Bottom Line

Related Reading

Sources

What GLP-1 Agonists Do

How They Work With Intermittent Fasting

Side Effects and Adjustments

Barriers to Access

Putting It Into Context

Related Reading

Sources