- Most people regain weight after stopping. In the STEP 1 extension, people regained about two-thirds of what they had lost within a year of stopping semaglutide.
- Staying on treatment keeps the weight off: in SURMOUNT-4, people who stayed on tirzepatide lost a further 5.5%, while those switched to placebo regained 14%.
- Many people stay on a maintenance dose long-term, sometimes a lower one. Decide this with your clinician; there is no official taper schedule.
- Ask a provider before you start what it offers at your goal weight. A lack of maintenance support is a common reason people switch.
What the trials show
Three trials looked at what happens when people stop:
| Trial | What happened |
|---|---|
| STEP 1 extension 1 | People lost 17.3% on semaglutide 2.4 mg over 68 weeks. One year after stopping the medicine and the lifestyle support, they had regained 11.6 percentage points, about two-thirds of the loss, ending 5.6% below where they started. Improvements in blood pressure and blood sugar mostly went back too. |
| STEP 4 3 | After 20 weeks on semaglutide, people who switched to placebo regained weight, while those who continued kept losing. |
| SURMOUNT-4 2 | People lost 20.9% on tirzepatide over 36 weeks. Over the next 52 weeks, those switched to placebo regained 14.0%, while those who stayed on tirzepatide lost a further 5.5%: a 19.4-point difference. |
The pattern is consistent. The medicine reduces appetite while you take it; when it stops, appetite and the body's drive to regain weight return.
Why the weight comes back
Losing weight triggers changes that push the body to regain it: hunger rises and the body burns a little less energy. A GLP-1 counters the hunger. Take it away and the "food noise" many people describe tends to come back within weeks. This is biology, not a lack of willpower, and it is the reason obesity medicines are increasingly treated like blood pressure or cholesterol medicines: something many people take long-term.
Your options when you reach your goal
- Stay on your current dose. The most reliable way to keep the weight off, according to the trials, but also the most expensive.
- Move to a lower maintenance dose. The labels list several maintenance doses: 5, 10 or 15 mg for Zepbound®, and 2.4 or 1.7 mg for Wegovy® 45. Some people hold their weight on a lower dose.
- Step down gradually. There is no official taper schedule, but some clinicians lower the dose in stages and watch your weight and appetite.
- Stop, with a plan. If you stop, keep the habits that help: enough protein, regular resistance exercise and regular weigh-ins, and agree with your clinician the point at which you would restart 6.
Plan for this before you start
A gap in maintenance support is one of the reasons people leave a provider: some programs end treatment at goal weight, or only offer a separate "microdose" plan with its own criteria. Before you sign up, ask:
- What happens when I reach my goal? Will you keep prescribing, and at what dose?
- Does the price change at a lower maintenance dose?
- If I stop and regain, can I restart, and at what dose?
Pricing matters most here, because maintenance can last years. A program whose price rises with your dose or after the first months costs far more over that time. Our #1 pick, TotalRx, locks its price for life at every dose, from $129 a month for semaglutide on a 12-month plan.
Protecting muscle and keeping habits
Whatever you decide, the habits that protect your result are the same ones nutrition advisories recommend during treatment: enough protein, resistance exercise to keep muscle, and a diet you can keep up 6. Muscle you keep helps your body hold its new weight.
Questions and answers
Will I regain weight if I stop semaglutide?
Most people regain some or much of it. In the STEP 1 extension, people who stopped semaglutide 2.4 mg regained about two-thirds of the weight they had lost within a year, ending about 5.6% below their starting weight.
Will I regain weight if I stop tirzepatide?
In SURMOUNT-4, people who had lost about 21% on tirzepatide and were then switched to placebo regained 14% of their body weight over the following year, while those who stayed on tirzepatide lost a further 5.5%.
Should I taper off a GLP-1?
There is no official taper schedule in the labels. Some clinicians step the dose down gradually or move to a lower maintenance dose rather than stopping outright. Decide with your clinician.
Can I stay on a GLP-1 forever?
Obesity is treated as a long-term condition, and many clinicians expect treatment to continue as long as it helps and is well tolerated, often at the lowest dose that maintains the result. Cost is usually the deciding factor in practice.
What is a maintenance dose?
The dose you stay on once you have reached a weight you want to keep. For Zepbound® the label lists 5, 10 or 15 mg as maintenance doses; for Wegovy® it is usually 2.4 mg, or 1.7 mg if the higher dose is not tolerated.
What about microdosing after reaching my goal?
Some programs offer low 'microdose' plans. The evidence for microdosing is thin, and programs differ on who qualifies. Ask about it before you sign up if maintenance matters to you.
Keep reading
Sources
- Wilding et al., Weight regain and cardiometabolic effects after withdrawal of semaglutide (STEP 1 extension), Diabetes Obes Metab 2022
- Aronne et al., Continued treatment with tirzepatide for maintenance of weight reduction (SURMOUNT-4), JAMA 2024
- Rubino et al., Effect of continued weekly subcutaneous semaglutide vs placebo on weight loss maintenance (STEP 4), JAMA 2021
- Wegovy® prescribing information (revised June 2026)
- Zepbound® prescribing information (revised August 2026)
- Joint advisory (ACLM, ASN, OMA, TOS): nutritional priorities for people on GLP-1 medications, Am J Clin Nutr 2025
How we write our guides. We read the manufacturers' prescribing information, FDA and other official sources, published trials and each provider's own pricing and policies, and link to them so you can check our work. Figures were correct when we last checked them on October 19, 2026; prices and rules change often, so confirm them before you act. Medical disclaimer. This guide is general information, not medical advice, and no one at ProviderCompare is your clinician. Talk to a licensed healthcare professional before starting, changing or stopping any medication. Compounded GLP-1 medications are not FDA-approved and do not undergo FDA review for safety, effectiveness or quality. Brand names are trademarks of their owners, used for identification only.