What happens to your weight when you stop a GLP-1?
Updated: 2026-09-09 · GLP-1 and weight
Short answer
Once you stop, the appetite effect goes with it, and withdrawal studies show most people regain a substantial share of the weight they lost. That is why the literature frames obesity as a chronic condition and these drugs as ongoing treatment rather than a finite cycle. Any decision to stop belongs to the prescriber.
In plain English
- The drug works while it is present; it does not permanently rewire appetite.
- Weight regain after withdrawal is the consistent finding in extension studies.
- Habits built during treatment help, but in the data they do not fully replace the drug effect.
- No tapering or stopping schedules are described here; that is a clinical decision.
What we know
- Withdrawal studies show regain of a substantial part of the lost weight.
- Current clinical guidance treats obesity as a chronic, relapsing condition.
What we don't know yet
- What share of people maintain results without the drug, and why, is not well characterised.
- There is no consensus on maintenance strategies after stopping.
No starting, titration or stopping schedules. Those are clinical decisions.