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A person on Reddit asked whether it’s normal to lose 4 kg (about 9 pounds) in three weeks while taking 0.25 mg of semaglutide once a week. That’s the whole news item: a user reported a fairly quick weight drop after starting a low weekly dose and wanted to know if that’s expected or safe. Semaglutide is the drug ingredient in brand-name medicines like Ozempic and Wegovy. It’s a man-made version of a hormone your gut makes that tells your brain you’re full and slows how fast your stomach empties. At higher doses it’s prescribed for long-term weight loss; at lower doses it’s used for blood sugar control in diabetes. People inject it under the skin once a week, and its main effects are reduced appetite and feeling full sooner. What the Reddit post shows is an individual’s report, not a controlled study. Online anecdotes like this can be useful signals but don’t tell us the whole picture. Clinical studies of semaglutide for weight management typically show steady weight loss over months, not just a few weeks, and the amount varies by dose and person. A 4 kg loss in three weeks is faster than average for low-dose semaglutide but not impossible — especially if someone also changed their diet, increased activity, or had fluid shifts. We can’t assume this single report applies to everyone. Why it matters: many people are curious about how quickly these drugs work because they want to plan for medical, social, or psychological reasons. If you’re considering semaglutide, knowing typical timelines and ranges helps set realistic expectations and avoids panic if you don’t lose weight as fast as a social media post says. Doctors also use early weight change as one piece of information about whether a treatment is working or needs adjusting. Caveats and risks are important. Semaglutide can cause nausea, diarrhea, constipation, abdominal pain, and other side effects that might make you eat less and lose weight fast at first. Rapid weight loss can also have downsides, like gallstones or nutrient issues. The drug should be used under a doctor’s guidance. Don’t start or change doses based on an internet post. Also, a Reddit snippet doesn’t tell us medical history, other medicines, or lifestyle changes that could explain the weight loss. Bottom line: a 4 kg loss in three weeks on 0.25 mg weekly is unusual but not impossible; it’s an anecdote rather than proof, and anyone considering semaglutide should talk with their clinician about realistic expectations and safety.
Source: r/Semaglutide