How to keep weight off after a GLP-1

By the Kept team · Updated 18 October 2026 · Sources linked below

Losing weight on a GLP-1 and keeping it off afterwards are two different skills. The first had help from the medicine. The second runs on habits, and the good news is that the habits are simple. Here's the plan we built Kept around, based on research into people who keep weight off for years.

1. Weigh daily, judge weekly

Regular self-weighing is one of the most consistent habits among people who maintain weight loss. The catch is that a single morning tells you almost nothing: water, salt, sleep and hormones move the scale by 2 to 4 lb from day to day.

The fix is to weigh most mornings and look only at your 7-day average. One salty dinner barely moves it, but a real trend shows up within a week or two.

2. Set your line before you need it

Decide now how much gain will make you act. A common choice is +3 lb above your lowest weekly average. Inside that band, carry on. Cross it, and you tighten one habit for two weeks.

Picking the line in advance matters because it turns a vague worry into a simple rule. It also means you act at 3 lb, when a small change still works, instead of at 15 lb, when it feels like starting over.

3. Plan for food noise before it's loud

Food noise often comes back in the weeks after stopping. Decisions made in the middle of a loud moment are the hardest ones, so make them in advance. Write down:

• Three steps to take when you notice it (for example: drink a glass of water, step outside for five minutes, then decide).
• Two or three go-to snacks that are filling and that you actually like.
• One meal you can always fall back on when you don't want to think.

More ideas in our food noise guide.

4. Keep protein and strength in your week

Protein helps you feel full, and strength training helps you hold on to muscle, which matters after a big loss. You don't need a strict target to start: aim for a real source of protein at every meal, and two or three short strength sessions a week. If you have a medical condition that affects protein, check with your clinician.

5. Keep your eating pattern steady

People who maintain weight loss tend to eat in a similar pattern on weekdays and weekends, and most eat breakfast. Steady meals make hunger more predictable and make drift easier to spot. Perfection isn't the point: a big dinner out is fine when your week is steady around it.

6. When you cross the line, change one thing

When your average goes over your line, don't overhaul everything. Pick one habit and tighten it for two weeks: an evening snack, a bigger lunch, more walking, fewer drinks. Then check the average again. Small, early fixes are what keep a 3 lb drift from becoming 20.

What about medication?

Some people stay on a GLP-1 at a lower dose, some stop, some take breaks. That's a decision for you and your prescriber, and these habits help whichever path you're on. Kept never gives advice on doses.

Common questions

Sources

1. Wing RR, Phelan S. Long-term weight loss maintenance. American Journal of Clinical Nutrition, 2005;82(1 Suppl):222S-225S. Link
2. Zheng Y et al. Self-weighing in weight management: a systematic literature review. Obesity, 2015. Link
3. Aronne LJ et al. Continued treatment with tirzepatide for maintenance of weight reduction in adults with obesity (SURMOUNT-4). JAMA, 2024. Link
4. West S et al. Weight regain after cessation of medication for weight management: systematic review and meta-analysis. BMJ, 2026;392:e085304. Link

Averages from trials describe groups, not what will happen to you. This guide is general information, not medical advice.