When people stop taking semaglutide, they often gain weight back and feel hungrier — and this might be because their gut bacteria and metabolism go back to how they were before, which could be telling their brain to eat more.

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Pro

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Against

Evidence from Studies

Supporting (1)

26

Community contributions welcome

26

Post-semaglutide weight regain in females with obesity: Associations with gut microbiota, bile acid metabolism, and central nervous system.

Cohort Study

Human

2026 Feb 18

After people stopped taking semaglutide, they gained weight and got hungrier — and the study found that their gut bacteria and metabolic signals also went back to how they were before, which may have told their brain to start eating more again.

Contradicting (0)

0

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No contradicting evidence found

Gold Standard Evidence Needed

According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.

Source Study

Post-semaglutide weight regain in females with obesity: Associations with gut microbiota, bile acid metabolism, and central nervous system.

Score: 26

DOI: 10.1111/dom.70571

Similar Assertions

When women with obesity stopped taking a weight-loss drug called semaglutide after 36 weeks, most of them quickly gained back weight and felt hungrier than before.

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76%

When women with obesity stopped taking semaglutide, their gut bacteria changed in a way that’s linked to lower levels of a helpful bile acid and reduced activity in a brain region that helps control appetite.

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74%

When people stopped taking semaglutide, their brain started signaling hunger more strongly and fullness less strongly, making them feel hungrier again.

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73%