How Long Does Semaglutide Stay in Your System?
Semaglutide stays in the body for weeks due to its long half-life. Effects and side effects may linger for several weeks after the last dose.
Semaglutide has a long half‑life of about 7 days, which is why it’s dosed once weekly.
Because of this slow clearance, most of the drug will be eliminated about 4–5 weeks after your last dose.
What this means in practical terms:
- Effects linger — appetite regulation and glucose benefits don’t disappear immediately after stopping.
- Side effects may continue for days to a few weeks after your final dose as levels fall gradually.
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