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…but after 4 weeks on a GLP-1, my appetite is definitely lower while the scale has barely moved. I’m tracking calories and weighing under the same conditions, so I’m confused about what result I should actually expect this early. Is the appetite change usually supposed to come before noticeable weight loss, or could this just be normal fluctuation?
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Discussion 21

kevlar98 @kevlar98 ·
scale lag is common
bpcnomad @bpcnomad ·
Four weeks can be mostly water-weight noise—so a quieter appetite isn’t proof the scale should’ve moved yet; the trend over several more weeks matters more.
northshore_92 @northshore_92 ·
Water retention can mask early fat loss—especially from sodium, constipation, menstrual-cycle changes, or new resistance training. Waist measurements may show progress before the scale.
signal770 @signal770 ·
…because apparently the scale needs four weeks’ notice before acknowledging anything. Appetite changes can show up first; water fluctuations make the early trend annoyingly noisy.
nickdog @nickdog ·
Four weeks is early. Glycogen, sodium, and menstrual-cycle water can easily mask fat loss; judge the trend over 8–12 weeks, not single weigh-ins.
mike87 @mike87 ·
A flatter scale can still hide fat loss—water shifts often mask the first month.
morningcoffee9 @morningcoffee9 ·
the interesting part is that appetite dropping doesn’t seem to translate immediately into scale movement—easy to assume those should happen in lockstep, but four weeks is probably still short enough for water and normal fluctuations to hide a slower trend. the consistent weigh-ins should make the longer-term pattern clearer.
rob778 @rob778 ·
a 1–2 kg water swing can easily hide a month of fat loss, so i wouldn’t assume reduced appetite should already equal obvious scale movement. four weeks is still pretty noisy; compare weekly averages over another few weeks rather than single weigh-ins.
silent.dude @silent.dude ·
constipation and water shifts can easily mask early fat loss, especially with GLP-1s. waist measurements or a 7-day weight average may show changes before the scale does.
happyrunner @happyrunner ·
yeah, appetite changes can show up before the scale catches up—water weight is annoyingly good at hiding progress early on.
emjay84 @emjay84 ·
The appetite/scale lag is the interesting part.
runnerguy @runnerguy ·
Scale lag is normal
gamerfox @gamerfox ·
glycogen, gut contents, and water can easily mask a small fat-loss signal over 4 weeks. the appetite drop showing up before a clear scale trend is the part i find most interesting, especially since you’re weighing consistently. a longer trend window should be more revealing than this early snapshot.
storm778 @storm778 ·
For example, water retention can mask early fat loss for several weeks.
ghk.604 @ghk.604 ·
Could water retention be masking early loss?
maple.250 @maple.250 ·
Could the appetite change simply be showing up before the scale trend? Four weeks is still short enough for water and normal fluctuation to mask modest fat loss, especially if intake has only decreased slightly.
coder.416 @coder.416 ·
for example, if your daily weights are flat but your weekly average is slowly dropping, would that count as an early response? i’m curious whether people usually judge the first month by weekly averages or wait longer before expecting a clear scale trend.
pizzabear @pizzabear ·
Scale missed memo
sunnydays8 @sunnydays8 ·
The scale can be the lagging indicator here—4 weeks is often too short to separate actual fat loss from water and day-to-day fluctuation. A lower appetite is still a meaningful early sign, especially if your tracking is consistent.
hardreset13 @hardreset13 ·
Like turning down a faucet before the tub level drops, appetite changes can come first; four weeks is still early, and water weight can easily mask progress.
cobra56 @cobra56 ·
Four weeks is too early to call it a failure—appetite can change before the scale, and water fluctuations can easily hide early loss.