Reddit looks faster because people with big numbers post, and people who stall tend to go quiet. That is survivorship bias. In the STEP 1 trial of semaglutide 2.4 mg, people lost an average of about 33 pounds over 68 weeks, which works out to roughly half a pound a week. If you are down four pounds at week five and the feed shows eleven in three weeks, the feed is not a fair yardstick.
The forum is not lying to you, exactly. It is just not showing you everyone.
What the feed actually shows
Think about who posts a progress update. It is almost always someone with something exciting to share. The person down four pounds in five weeks has less reason to type it out than the person down fourteen. The person who stalled at month two, got discouraged, and quit is probably not updating the thread at all. The people who keep posting tend to be the people who keep losing. The ones who struggle drift out of the conversation. What you see in the feed is filtered through who stayed.
That is survivorship bias. You are comparing yourself to the survivors.
The clinical trials do not look like the highlight reel. In the landmark STEP 1 trial, the largest semaglutide study published, participants using 2.4 mg semaglutide lost an average of about 33 pounds over 68 weeks. That comes out to roughly half a pound per week, on average, across the whole study period. Not eleven pounds in three weeks. Half a pound per week over more than a year. The first months are often faster as the drug ramps up. Later months tend to be slower. Averaged out, that trial came to about half a pound per week.
Four pounds in five weeks is not a sign of failure. It is on pace.
There is a real number worth knowing. In that same STEP 1 trial, about 14 percent of people did not reach even 5 percent weight loss, the usual mark for a meaningful response. Clinicians sometimes call people who see little response non-responders. If you are in that group, a different drug or a different approach may serve you better, and that is a conversation worth having with your provider. But if you are losing anything at all, even slowly, you are not in that group.
Slow is not non-response. It is how most people experience this medication.
The dose ramp-up period can take eight to twelve weeks just to reach a therapeutic level. Some people lose very little in those first two months and then see real movement once the dose stabilizes. A weekly number during that phase tells you almost nothing.
Better ways to track it
A single weigh-in is genuinely noisy data. Water, sodium, sleep, a heavier dinner, a different time of day — the scale can swing two or three pounds for reasons that have nothing to do with fat. Weighing yourself every day and reading each number as a verdict is a reliable way to feel terrible.
A few things that give you a cleaner read:
Monthly averages are more useful than daily numbers. Take the average of your last seven weigh-ins and compare it to last month’s average. That cuts through the noise.
Measurements don’t lie about the same things the scale does. A tape measure around the waist, hips, and thighs often shows movement weeks before the scale moves. Fat can drop while water or muscle weight shifts in the other direction.
Clothes are a surprisingly honest signal. A pair of pants fitting differently is fat loss showing up in the real world, not in a decimal point.
Photos taken in the same light, same angle, same time of day, once a month, catch things you cannot feel because you see yourself every day.
None of this is about lowering expectations. Losing half a pound a week for a year is losing 26 pounds. That is a lot of weight. The highlight reel on Reddit shows you the top of a distribution. Most people are quieter than that, and most people are doing fine.
The pace is usually slower and more ordinary than the forum makes it look.
Common questions
How fast do people lose weight on semaglutide?
In the STEP 1 trial of semaglutide 2.4 mg, the average loss was 14.9 percent of body weight over 68 weeks. That is a trial average at the 2.4 mg dose, not a forecast for you.
Why do people on Reddit seem to lose weight so fast?
People with exciting numbers are more likely to post, and people who stall often stop updating. You are seeing the ones who stayed in the thread.
How do I know if I am a GLP-1 non-responder?
Clinicians usually look at whether you reached 5 percent of starting weight after an adequate dose and enough time. In STEP 1, 86.4 percent reached that mark, so some people did not. Your provider can sort out which group you are in.
What is a better way to track slow weight loss?
Compare the average of your last seven weigh-ins with last month’s average. A waist measurement can help too.
Sources
- Once-Weekly Semaglutide in Adults with Overweight or Obesity (STEP 1 trial) – NEJM 2021 / American College of Gastroenterology summary
- Are You a GLP-1 Nonresponder? – Yale Medicine
- A Large-Scale Observational Analysis of Social Media Data Reveals Major Public Misperception of the Attainability of Drastic Weight Loss by Dieting – PubMed
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